Dell Inspiron 300m Service Manual

Dell™ Inspiron™ 300m Service Manual

Before You Begin

Dell Diagnostics

System Components

Battery

Memory, Modem, and Mini PCI Card Modules

Keyboard

Palm Rest

Hard Drive

Hinge Covers and Display Assembly

Keyboard Tray

Reserve Battery

Speakers

Bluetooth™ Module

Cooling Fan

Battery Latches

System Board

Flashing the BIOS

Pin Assignments for I/O Connectors

Mini Recommended Spares List

Notes, Notices, and Cautions

NOTE: A NOTE indicates important information that helps you make better use of your computer.

NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.

CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.

Information in this document is subject to change without notice.

© 2003-2005 Dell Inc. All rights reserved.

Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.

Trademarks used in this text: Dell, the DELL logo, ExpressCharge, and Latitude are trademarks of Dell Inc.; Microsoft and Windows are registered trademarks of Microsoft

Corporation; Intel is a registered trademark of Intel Corporation; Bluetooth is a trademark owned by Bluetooth SIG, Inc. and is used by Dell Inc. under license.

Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.

May 2005 Rev. A02

Back to Contents Page

Battery Latches


Removing the Battery Latches

Replacing the Battery Latches

Removing the Battery Latches

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual.

NOTICE: Disconnect the computer and any attached devices from electrical outlets.

NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer.

NOTICE: Read " Before You Begin " before performing the following procedure.

1.

Remove the battery .

2.

Remove the keyboard .

3.

Remove the palm rest .

4.

Remove the hinge covers .

5.

Remove the display assembly .

6.

Remove the keyboard tray .

7.

Remove the hard drive .

8.

Remove the memory module .

9.

Remove the Mini PCI card , if present.

10.

Remove the modem card , if present.

11.

Remove the system board .

12.

On the inside of the bottom case, use your fingers to unhook the latch from the bottom case and the snap tabs, catching the latch button on the outside of the bottom case.

1 spring

2 battery lock latch

3 bottom case

4 battery lock latch

5 spring

6 battery-latch release button

Replacing the Battery Latches

1.

Snap in the new latch button from behind the bottom case, making certain that the snap tabs are fully engaged in the latch.

NOTE: The battery latch release has springs and should be installed on the bottom case.

2.

Ensure that the newly installed latch moves smoothly and freely when pushed and released.



Battery


Removing a Battery

Installing the Battery

Removing a Battery

CAUTION: Before performing these procedures, disconnect the modem from the telephone wall jack.


NOTICE: If you choose to replace the battery with the computer in standby mode, you have up to 1 minute to complete the battery replacement. The computer will shut down shortly after this.

1.

Ensure that the computer is turned off, suspended in a power management mode, or connected to an electrical outlet.

2.

If the computer is connected to a media base (docked), undock it. See the documentation that came with your media base for instructions.

3.

Slide the battery latch releases on the bottom of the computer and remove the battery from the bay.

1 battery latch release (2)

Installing the Battery

To install the battery, slide the battery or the optional extended battery into the bay until the latch release clicks.

1 optional extended battery



Before You Begin


Recommended Tools

Shutting Down Your Computer

Computer Orientation

Screw Identification Placemat

This section provides procedures for removing and installing the components in your computer. Unless otherwise noted, each procedure assumes that the following conditions exist: l l

You have performed the steps in " Shutting Down Your Computer

."

You have read the safety information in your Owner's Manual.

Recommended Tools

The procedures in this document may require the following tools: l l l l

Small flat-blade screwdriver

Phillips screwdriver

Small plastic scribe

Flash BIOS update program floppy disk or CD

Shutting Down Your Computer

Use the following safety guidelines to help protect your computer from potential damage and to ensure your own personal safety.

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual.

NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty.

CAUTION: Handle components and cards with care. Do not touch the components or contacts on a card. Hold a card by its edges or by its metal mounting bracket. Hold a component such as a microprocessor by its edges, not by its pins.

NOTICE: When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the cable itself. Some cables have a connector with locking tabs; if you are disconnecting this type of cable, press in on the locking tabs before you disconnect the cable. As you pull connectors apart, keep them evenly aligned to avoid bending any connector pins. Also, before you connect a cable, ensure that both connectors are correctly oriented and aligned.

NOTICE: To avoid damaging the computer, perform the following steps before you begin working inside the computer.

1.

Ensure that the work surface is flat and clean to prevent the computer cover from being scratched.

2.

Shut down the computer.

3.

Ensure that the computer and any attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your computer, press and hold the power button for 4 seconds.

4.


NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.

5.

Disconnect any telephone or telecommunication lines from the computer.

6.

Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.

NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.

7.

Remove any installed PC Cards from the PC Card slot.

8.

Remove any installed Secure Digital memory card from the Secure Digital memory slot.

9.

Close the display and turn the computer upside down on a flat work surface.

NOTICE: To avoid damaging the system board, you must remove the main battery before you service the computer.

10.

Slide and hold the battery-bay latch release on the bottom of the computer, and then remove the battery from the bay.

1 battery latch release (2)

11.

Remove any installed modules, including a second battery, if installed.

12.


Computer Orientation

1

2

3

4

front

left

back

right

Screw Identification Placemat

When you are removing and replacing components, photocopy the placemat as a tool to lay out and keep track of the screws. The placemat provides the number of screws and their sizes.

NOTICE: When reinstalling a screw, you must use a screw of the correct diameter and length. Ensure that the screw is properly aligned with its corresponding hole, and avoid overtightening.

Keyboard:

(4 each)

Palm Rest:

(9 each)

Display Assembly:

(2 each)

Keyboard Tray:

(5 each)

Hard Drive:

(4 each)

System Board:

(3 each)

Modem Card:

(1 each)

Cooling Fan:

(4 each)

Speakers:

(1 each)

Bluetooth™ Module

(1 each)



Flashing the BIOS


To update the basic input/output system (BIOS):

1.

Go to support.dell.com. If this is your first time to use the website, complete the one-time registration.

2.

Enter the Service Tag for your computer or select the appropriate Dell™ computer.

Click Go.

3.

Click Downloads.

4.

Select the appropriate operating system and language for your computer.

5.

Select the FlashBIOS Updates download category.

Click Go.

6.

Click the BIOS link and follow the instructions to download the BIOS to your computer.



Bluetooth™ Module


Replacing the Bluetooth Module


1.

Remove the M2 x 5-mm screw.

2.

Disconnect the cable from the system board.

3.

Lift the assembly out.

1 M2 x 5-mm screw

2 Bluetooth module

3 Bluetooth module cable

4 connector on system board

4.

To replace the Bluetooth module: a.

Replace the assembly. b.

Connect the cable to the system board. c.

Replace the screw.



Dell Diagnostics


When to Use the Dell Diagnostics

Starting the Dell Diagnostics

When to Use the Dell Diagnostics

If you experience a problem with your computer, perform the checks in the "Solving Problems" section in your User's Guide or Owner's Manual and run the Dell

Diagnostics before you contact Dell for technical assistance. Running the Dell Diagnostics may help you resolve the problem without contacting Dell. If you do contact Dell, the test results can provide important information for Dell's service and support personnel.

The Dell Diagnostics allows you to: l l l l l l l

Perform tests on one or all devices.

Select tests based on a symptom of the problem you are having.

Choose how many times a test is run.

Suspend testing if an error is detected.

Access help information that describes the tests and devices.

Receive status messages that tell you whether tests completed successfully.

Receive error messages if problems are detected.

Starting the Dell Diagnostics

NOTICE: Use the Dell Diagnostics to test your Dell™ computer only. Using this program with other computers can result in error messages.

The Dell Diagnostics is located on a hidden diagnostic utility partition on your hard drive.

NOTE: If your computer cannot display a screen image, contact Dell.

1.

Shut down the computer.

2.


3.

Connect the computer to an electrical outlet.

4.

Turn on the computer. When the DELL™ logo appears, press <F12>immediately.

NOTE: If you cannot see anything on your display, hold down the mute button and press the computer's power button to begin the Dell Diagnostics.

The computer automatically runs the Pre-boot System Assessment.

NOTE: If you see a message stating that no diagnostics utility partition has been found, run the Dell Diagnostics from your Drivers and Utilities CD.

If you wait too long and the Microsoft® Windows® logo appears, continue to wait until you see the Windows desktop. Then shut down your computer through the Start menu and try again.

5.

When the boot device list appears, highlight Diagnostics and press <Enter>.

The computer runs the Pre-boot System Assessment, a series of initial tests of your system board, keyboard, hard drive, and display. l l l

During the assessment, answer any questions that appear.

If a failure is detected, the computer stops and beeps. To stop the assessment and restart the computer, press <N>; to continue to the next test, press <Y>; to retest the component that failed, press <R>.

If failures are detected during the Pre-boot System Assessment, write down the error code(s) and contact Dell before continuing on to the Dell

Diagnostics.

If the Pre-boot System Assessment completes successfully, you receive the message Booting Dell Diagnostic Utility Partition. Press any key to continue

.

6.

Press any key to start the Dell Diagnostics from the diagnostics utility partition on your hard drive.

7.

When the Dell Diagnostics Main Menu appears, select the test you want to run (see xx).

Dell Diagnostics Main Menu

1.

After the Dell Diagnostics loads and the Main Menu screen appears, click the button for the option you want.

Option

Extended

Test

Function

Express Test Performs a quick test of devices. This test typically takes 10 to 20 minutes and requires no interaction on your part. Run Express Test first to increase the possibility of tracing the problem quickly.

Performs a thorough check of devices. This test typically takes an hour or more and requires you to answer questions periodically.

Custom Test Tests a specific device. You can customize the tests you want to run.

Symptom

Tree

Lists the most common symptoms encountered and allows you to select a test based on the symptom of the problem you are having.

2.

If a problem is encountered during a test, a message appears with an error code and a description of the problem. Write down the error code and problem description and follow the instructions on the screen.

If you cannot resolve the error condition, contact Dell. See your User's Guide or Owner's Manual for contact information.

NOTE: The Service Tag for your computer is located at the top of each test screen. If you contact Dell, technical support will ask for your Service Tag.

3.

If you run a test from the Custom Test or Symptom Tree option, click the applicable tab described in the following table for more information.

Tab

Results

Errors

Function

Displays the results of the test and any error conditions encountered.

Displays error conditions encountered, error codes, and the problem description.

Help Describes the test and may indicate requirements for running the test.

Configuration Displays your hardware configuration for the selected device.

The Dell Diagnostics obtains configuration information for all devices from the system setup program, memory, and various internal tests, and it displays the information in the device list in the left pane of the screen. The device list may not display the names of all the components installed on your computer or all devices attached to your computer.

Parameters Allows you to customize the test by changing the test settings.

4.

When the tests are complete, close the test screen to return to the Main Menu screen. To exit the Dell Diagnostics and restart the computer, close the

Main Menu screen.



Hinge Covers and Display Assembly


Hinge Covers

Display Assembly

Hinge Covers

Removing the Hinge Covers


1.


2.

On the inside of the battery bay, use your fingers to unhook the hinge covers from the back of the computer.

1 hinge covers (2)

3.

Open the display 180 degrees.

4.

Push up on the hinge covers to remove them from the computer.

Replacing the Hinge Covers

1.

Open the computer all the way (180 degrees) so that it lies flat against your work surface.

2.

Place the hinge covers over the display hinges: a.

The left hinge cover fits over the power button. Both hinge covers pass through the display hinges to the back of the computer.

3.

Press down on the top of each hinge cover to snap the hinge covers into place. b.

Ensure that the two securing tabs on the outer edge of each hinge cover are engaged in their respective slots.

4.

Close the display.

5.

Press the back of each hinge cover into the back of the computer.

NOTE: The back of each hinge cover has a tab that snaps into a slot on the back of the computer.

Display Assembly

Removing the Display Assembly





1.


2.


3.

Turn the computer over, and remove the two M3 x 5-mm screws from the bottom of the computer.

1 M3 x 5-mm screws (2)

4.

Turn the computer over and open the display 180 degrees.


5.

Remove the two M2 x 6-mm screws near the display hinges on the top of the computer.

6.

Disconnect both the antenna connectors.

NOTICE: Do not pull on the signal cable. Pull the signal connector to disconnect the cables.

7.

Disconnect the signal cable from the system board.

8.

If a tape secures the signal connector, remove it and disconnect the signal cable from the system board.

1 antenna connector

2 signal cable

3 signal connector

9.

Remove the display assembly out of the bottom case.

Replacing the Display

1.

Replace the display assembly into the bottom case and open the display 180 degrees.

2.

Replace the two M2 x 6-mm screws by the display hinges on the top of the computer.

3.

Connect both the antenna connectors, matching the color codes.

4.

Connect the signal cable to the system board.

5.

If a tape secured the signal connector, replace it and connect the signal cable to the system board.

6.

Close the display and turn the computer over.

7.

Replace the two M3 x 5-mm screws from the bottom of the computer.

8.

Replace the keyboard .

9.

Replace the battery .



Cooling Fan


Removing the Cooling Fan





1.


2.


3.


4.

Remove the four M2 x 3-mm screws that secure the cooling fan to the system board.


2 cooling fan

3 cooling fan cable

4 cooling fan connector

5 system board connector

5.

Remove the tape that secures the cooling fan cable to the fan.

NOTICE: Do not pull on the cooling fan cable. Pull from the cooling fan connector to disconnect the cable.

6.

Disconnect the cooling fan cable from the system board connector.

7.

Lift the cooling fan up and out of the bottom case.



Hard Drive


Removing the Hard Drive

Replacing the Hard Drive

Removing the Hard Drive





1.


2.


3.


4.

Loosen the four M2 x 5.5-mm screws that secure the hard drive to the bottom case.

Rubber grommets secure each screw to the hard drive so that you do not need to completely remove the screws.

1

2

3

hard drive connector

hard drive

M2 x 5.5-mm screws (4)

5.

Disconnect the hard drive connector from the system board.

6.

Lift the hard drive up and out of the bottom case.

Replacing the Hard Drive

1.

Connect the hard drive connector to the system board.

2.

Position the hard drive on the bottom case and tighten the four M2 x 5.5-mm screws to the bottom case.

NOTE: The rubber grommets help you avoid overtightening the screws.



Keyboard


Removing the Keyboard

Replacing the Keyboard

Removing the Keyboard





1.


2.

Remove the four M2 x 4-mm screws labeled with an arrow from the bottom of the computer.


NOTICE: The keycaps on the keyboard are fragile, easily dislodged, and time-consuming to replace. Be careful when removing and handling the keyboard.

3.

Turn the computer over, and insert a ¼ -inch flat-blade screwdriver into the slot to the right of the keyboard locator tab.

1 keyboard locator tab

4.

Pry up the keyboard locator tab, and the keyboard pops up.

5.

Pull the keyboard a small distance toward the front of the computer to release the four securing tabs located across the back edge of the keyboard.

6.

Rotate the keyboard toward the front of the computer and place it face-down on the palm rest.

NOTICE: Do not pull on the keyboard flex cable.

7.

Open the ZIF connector on the system board by pulling the ZIF connector tabs toward the back of the computer.

1 ZIF connector

2 keyboard flex cable

3 ZIF connector tabs (2)

8.

Remove the keyboard flex cable from the ZIF connector.

9.

Lift the keyboard up and out of the computer.

Replacing the Keyboard

1.

Place the keyboard face-down on the palm rest, with the keyboard flex cable pointing toward the back of the computer.

NOTICE: To avoid damage to the connector pins, insert the keyboard flex cable evenly into the ZIF connector on the system board, and do not reverse the keyboard flex cable.

2.

Ensure that the ZIF connector is open by pulling the ZIF connector tabs toward the back of the computer.

3.

Press the keyboard flex cable into the ZIF connector.

4.

Close the ZIF connector by pushing the ZIF connector tabs toward the front of the computer.

To aid with proper flex cable connection, a locator line has been added near the end of the flex cable. Press the cable into the connector until the line disappears and hold the cable steady while you close the ZIF connector. (The white line may reappear after the connector is closed, which should not indicate a problem with the connection.)

NOTICE: Position the keyboard flex cable so that it is not pinched when you replace the keyboard in the bottom case.

5.

Rotate the keyboard back and fit it into the bottom case.

6.

Ensure that all four keyboard securing tabs are engaged in their respective slots before trying to completely seat the keyboard. Press down on the left and right <Alt> keys to help control tab/slot alignment.

When the keyboard appears to be completely seated, confirm that the front edge of the keyboard is aligned with the edge of the palm rest before proceeding.

7.

Replace the four M2 x 4-mm screws on the bottom of the computer.



Keyboard Tray


Removing the Keyboard Tray

Replacing the Keyboard Tray

Removing the Keyboard Tray





1.


2.


3.


4.


5.


6.

Remove the five M2 x 4-mm screws that secure the keyboard tray to the system board.

NOTE: Each keyboard tray screw has an arrow beside it.

1

2

keyboard tray

M2 x 4-mm screws (5)

7.

Lift the keyboard tray up and slip out the antenna cables before lifting the tray out of the bottom case.

Replacing the Keyboard Tray

1.

Replace the keyboard tray.

2.

Route the antenna cables through the oval opening on the keyboard tray.

1

2

antenna cable connectors

oval opening on keyboard tray

3.

Reinstall the five M2 x 4-mm screws that secure the keyboard tray to the system board.



Mini Recommended Spares List


NOTE: The part numbers listed below are subject to change.

Bottom Plastics Assembly

G0767

H0163

H0164

T2913

U2737

Power

H2569

5U092

X0789

H0286

M0270

Y0037

CD, CD-RW

C0924

D0727

DVD

K2232

R1695

U1038

Y1565

Floppy Drive

1R159

Hard Drive and Accessories

N2902

N2903

U2407

T2445

Fan

D2589

Keyboard

5Y730

battery latch kit

bottom LCD-cover assembly

memory door

bottom plastics assembly (TAA-compliant)

bottom plastics assembly (non-TAA version)

power cord, US, 0.9 m (3 ft)

AC power brick only, 65 W

external battery charger kit, includes power cord

rubber strap for power cord management

primary battery, 4 cell, 14.8 V, lithium

external battery, 8 cell

24X CD

24X CD-RW

2X, DVD+RW, D-module

8X DVD, SFX

4X DVD+RW, D-module

24X CD-RW/DVD Combo

floppy drive, D-module

20-G HDD

30-G HDD

40-G HDD (5400 RPM)

60-G HDD (5400 RPM)

fan

keyboard, US

Hinges

G0810

H0192

J0045

Memory

3Y180

3Y182

0K963

7N020

Modem

Y0231

System Board

T2907

U2733

Wireless

2U381

9Y200

H0294

J0846

N0498

Screws

2013T

6K709

6R788

7T775

8T707

98MKC

Speaker

7C552

Palm Rest Assembly

G0808


left hinge cover

right hinge cover

12.1 LCD hinge up assembly

128-MB DIMM

256-MB DIMM

512-MB DIMM

1-G DIMM

56-K V2 internal modem

system-board service kit, 1.2 GHz, (non-TAA version)

system-board service kit, 1.2 GHz (TAA compliant)

Bluetooth™ module, internal

Intel® Pro 2100 802.11b

PCMCIA card blank insert

TM1300, 802.11b/g

Intel 2.4 GHz

M2 x 3-mm screw

M2 x 5.5-mm screw

M2 x L4-crew

M3 x 5-mm screw

M2 x 6-mm screw

M2 x 4-mm screw

speaker, 1 each, left or right

palm rest assembly


Palm Rest


Removing the Palm Rest

Replacing the Palm Rest

Removing the Palm Rest





1.


2.


3.

Turn the computer over, and remove the three M2 x 4-mm screws from the bottom of the computer.

1 M2X4 screw (3)

4.

Turn the computer over, and open the display.

5.

Remove the six M2 x 4-mm screws on the palm rest.


6.

Lift up and rotate the palm rest forward.

7.

Lift the ZIF connector, and disconnect the palm-rest flex cable from its ZIF connector on the system board.

1 palm rest flex cable

2 ZIF connector

3 palm rest

8.

Lift the palm rest up and out of the computer.

Replacing the Palm Rest

To aid with proper flex cable connection, a locator line has been added near the end of the palm-rest flex cable. When replacing the palm-rest flex cable, press the cable into the connector until the line aligns with the system board and hold it steady while you snap the ZIF connector down. (The locator line may reappear after the connector is closed, which should not indicate a problem with the connection.)



Pin Assignments for I/O Connectors


Pin Assignments for the Computer

Pin Assignments for the Media Base

Pin Assignments for the Computer

USB Connector 2.0

Pin

1

2

3

4

Signal

VCC

Data–

Data+

GND

Video Connector

4

5

6

7

8

Pin

1

2

3

Signal

RED

GREEN

BLUE

NC

GND

GND

GND

GND

12

13

14

15

Pin

9

10

11

IEEE 1394 Connector

Signal

CRT_VCC

GND

NC

DAT_DDC2

HSYNC

VSYNC

CLK_DDC2

1

2

3

4

TPB–

TPB+

TPA–

TPA+

Pin Assignments for the Media Base

Docking Connector

Pin Signal

1 DCK3_DOCK_IN2*

3

5

SYS_DCIN*

VDC

7

9

VDC

VDC

11 KBC3_ADID_CLK

13 GND

15 PIO3_SLCT

17 PIO3_AUTOFD*

19 PIO3_ERROR*

21 PIO3_INIT*

23 PIO3_SLCTIN*

25 GND

27 PIO3_PD0

29 PIO3_PD1

31 PIO3_PD2

33 PIO3_PD3

35 PIO3_PD4

37 PIO3_PD5

39 PIO3_PD6

41 PIO3_PD7

43 PIO3_STROBE*

45 PIO3_ACT*

47 PIO3_BUSY

49 PIO3_PE

51 GND

53 SIO3_DTR1*

55 SIO3_TXD1*

57 SIO3_RTS1*

59 SIO3_CTS1*

Pin Signal

2 USB3_P2+

4

6

USB3_P2–

GND

8 VGA3_RED

10 VGA3_GREEN

12 VGA3_BLUE

14 VGA5_DDCD

16 VGA5_DDCC

18 VGA5_HSYNC

20 VGA5_VSYNC

22 GND

24 KBC3_EJECT*

26 DCK3_RST*

28 BATTB_PRES*

30 BAT3_VOLTB

32 KBC3_CHGENB

34 KBC3_DCHGENB

36 DCHGOUTB

38 DBAT3_SMDATA

40 DBAT3_SMCLK

42 KBC3_DCKPWRON

44 GND

46 PS25_KCLK

48 PS25_KDATA

50 PS25_MCLK

52 PS25_MDATA

54 P2.5V_LAN

56 KBC3_

58 GND

60 AUD3_SPDIF

61 SIO3_R11*

63 SIO3_DSR1*

65 SIO3_DSR1*

67 SIO3_DCD1*

69 DCK_NICOMVDC

71 GND

73 LAN3_DCK_TRD2N

75 LAN3_DCK_TRD2P

77 LAN3_DCK_TRD0N

79 LAN3_DCK_TRD0P

81 GND

83 PWRON_CHG

85 DCK_VOLDN*

87 GND

89 USB3_P6–

91 USB3_P6+

93 GND

95 1394_TPB–

97 1394_TPB+

99 DCK_DETECT*

PS/2 Connector

62 DCK3_PWRSW*

64 D_HP_IN

66 CHP3_USBIDE_RST*

68 DCK_VOLUP*

70 KBC3_

72 GND*

74 LAN3_DCK_TRD3N

76 LAN3_DCK_TRD3P

78 LAN3_DCK_TRD1N

80 LAN3_DCK_TRD1P

82 GND

84 DCK3_LANACT*

86 100M_LED*

88 10M_LED*

90 USB3_P4+

92 USB3_P4–

94 MOD_PRES*

96 1394_TPA–

98 1394_TPA+

100 DCK3_DOCK_IN1*

Pin

1

2

3

4

5

6

Signal

DAT_KBD

DAT_SM1

GND

PS2VCC

CLK_KBD

CLK_SM1

Parallel Connector

3

4

5

6

Pin Signal

1

2

STRB*/5V

PD0/INDEX*

PD1/TRK0*

PD2/WP*

PD3/RDATA*

PD4/DSKCHG*

Pin

10

11

12

13

14

15

Signal

ACK*/DRV*

BUSY/MTR*

PE/WDATA*

SLCT/WGATE*

AUTOFD*

ERROR*/HDSEL*

7

8

9

PD5F

PD6F

PD7F

Video Connector

16

17

18–25

INIT*/DIR*

SLCT_IN/*STEP*

GND

3

4

5

6

Pin

1

2

7

8

Signal

RED

GREEN

BLUE

NC

GND

GND

GND

GND

Serial Connector

Pin

9

10

11

12

13

14

15

Signal

CRT_VCC

GND

NC

DAT_DDC2

HSYNC

VSYNC

CLK_DDC2

Pin

1

2

3

4

5

Signal

DCD*

RXDA

TXDA

DTR*

GND

Pin

6

7

8

9

IEEE 1394 Connector

Signal

DSR*

RTS*

CTS*

RI*

1

2

3

4

TPB–

TPB+

TPA–

TPA+

USB Connector 2.0 (2)

Pin

1

2

3

4


Signal

VCC

Data–

Data+

GND


Reserve Battery


Removing the Reserve Battery

Replacing the Reserve Battery

Removing the Reserve Battery





1.


2.


3.


NOTICE: Do not pull on the reserve battery cable. Pull from the reserve battery connector to disconnect the cable.

4.

Disconnect the reserve battery cable from the system board connector.

1 reserve battery

2 reserve battery cable

3 reserve battery connector


5.

Disconnect the speaker cables.

6.

Pry the reserve battery free from the bottom case. The reserve battery is attached to the bottom case with a piece of adhesive tape.

7.

Remove any remnants of the adhesive tape from the bottom case.

Replacing the Reserve Battery

1.

Connect the reserve battery connector to the system board connector.

2.

Press the reserve battery into place on the bottom case.

3.

Ensure that the cable is routed correctly as shown to avoid damaging the cable.

1 reserve battery cable

4.

Connect the speaker cables.

1

2

speaker cables speakers

5.

Update the CMOS settings.



Speakers


Removing the Speakers





1.


2.


3.


4.

Remove the M2 x 4-mm screw that secures the speaker to the bottom case.

NOTE: The left and right speakers are interchangeable.


(1 per speaker)

2 speaker connector

(1 per speaker)

3 M2 x 4-mm screw

(1 per speaker)

4 speaker cable

(1 per speaker)

5 speakers (2)

NOTICE: Do not pull on the speaker cable. Pull from the speaker connector to disconnect the cable.

5.

Disconnect the speaker cable from the system board connector.

NOTICE: Handle the speakers with care to avoid damaging them.

6.

Remove the speaker by pulling it straight up and out of the bottom case.



System Board


Removing the System Board

Replacing the System Board

Removing the System Board





1.


2.


3.


4.


5.


6.

Remove the keyboard tray .

7.


8.

Remove the memory module .

9.

Remove the Mini PCI card , if present.

10.

Remove the modem card , if present.

11.

Remove the three M2 x 4-mm screws that secure the system board to the bottom case.

NOTE: Each system board screw has an arrow beside it.

1 system board


3 status light (LED) cable

4 ZIF connector

12.

Disconnect the left and right speakers from their system board connectors.

NOTE: The Reserve battery should be attached on the memory chip surface during transportation to the repair center.

13.

Remove the reserve battery .

14.

Disconnect the Bluetooth cable from the system board, if a Bluetooth™ device is present.

15.

Lift the ZIF connector, and remove the status light (LED) cable from its ZIF connector on the system board.

16.

Lift the system board up, from the right side, and out of the bottom case.

Replacing the System Board

1.

Place the system board in the bottom case.

NOTE: Route cables so that they will not be crimped or pinched when the complete assembly is put back together.

1 wireless antenna

2.

Reconnect all the cables to the system board ZIF connectors.

3.

Reinstall the three M2 x 4-mm screws that secure the system board to the bottom case.

NOTE: After replacing the system board, enter the computer Service Tag into the BIOS of the replacement system board.



System Components


NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty.

NOTICE: Unless otherwise noted, each procedure in this manual assumes that a part can be replaced by performing the removal procedure in reverse order.

1 display 8 speakers (2)

2 hinge covers (2) 9 reserve battery

3 keyboard tray

4 battery

10 Bluetooth™ module

11 system board

5 cooling fan

6 hard drive

7 bottom case

12 palm rest

13 keyboard




NOTE: A NOTE indicates important information that helps you make better use of your computer.

NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.

CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.

____________________

Information in this document is subject to change without notice.

© 2003 Dell Inc. All rights reserved.

Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.

Trademarks used in this text: Dell, the DELL logo, ExpressCharge, and Latitude are trademarks of Dell Inc.; Microsoft and Windows are registered trademarks of Microsoft

Corporation; Intel is a registered trademark of Intel Corporation; Bluetooth is a trademark owned by Bluetooth SIG, Inc. and is used by Dell Inc. under license.

Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.

November 2003 Rev. A01



Memory, Modem, and Mini PCI Card Modules


Adding Memory

Replacing a Modem

Adding a Mini PCI Card

Adding Memory

You can increase your computer memory by installing a memory module on the system board. See the "Specifications" section in your Owner's Manual for information on the memory supported by your computer. Be sure to add only a memory module that is intended for your computer.

NOTE: Memory modules purchased from Dell are covered under your computer warranty.


1.

Ensure that the work surface is flat and clean to prevent scratching the computer cover.

2.

Save and close any open files, exit any open programs, and shut down the computer.

3.

If the computer is connected to the media base (docked), undock it. See the documentation that came with your media base for instructions.

4.

Disconnect the computer from the electrical outlet.

5.

Wait 10 to 20 seconds, and then disconnect any attached devices.

6.

Remove any installed PC Cards and battery.

NOTICE: Handle components and cards by their edges, and avoid touching pins and contacts. Ground yourself by touching a metal connector on the back of the computer. Continue to ground yourself periodically during this procedure.

7.

Turn the computer over, unscrew both captive screw(s) from the memory module/Mini PCI/modem cover, and remove the cover.

1 captive screw (2)

2 memory module cover

NOTICE: To prevent damage to the memory module connector, do not use tools to spread the memory module securing clips.

8.

If you are replacing a memory module, remove the existing module.

NOTICE: Handle components and cards by their edges, and avoid touching pins and contacts. Ground yourself by touching a metal connector on the back of the computer. Continue to ground yourself periodically during this procedure. a.

Use your fingertips to carefully spread apart the securing clips on each end of the memory module connector until the module pops up. b.

Remove the module from the connector.

1 memory module

2 securing clips (2)

9.

Ground yourself and install the new memory module: a.

Align the notch in the module edge connector with the tab in the center of the connector slot. b.

Slide the module firmly into the slot at a 45-degree angle, and rotate the module down until it clicks into place. If you do not hear the click, remove the module and reinstall it.

NOTE: If the memory module is not installed properly, the computer may not boot properly. No error message indicates this failure.

1 memory module

2 connector

10.

Replace the cover.

NOTICE: If the cover is difficult to close, remove the module and reinstall it. Forcing the cover to close may damage your computer.

1 captive screw (2)

2 memory module cover

11.

Insert the battery into the battery bay, or connect the AC adapter to your computer and an electrical outlet.

12.

Turn on the computer.

As the computer boots, it detects the additional memory and automatically updates the system configuration information.

To confirm the amount of memory installed in the computer: l l

In the Microsoft® Windows® XP operating system, click the Start button, click Help and Support, and then click Computer Information.

In Windows 2000, right-click the My Computer icon on your desktop, and then click the General tab.

Replacing a Modem

CAUTION: Before performing any of the procedures listed below, read and follow the safety instructions in the System Information Guide.

1.


2.

Save and close any open files, exit any open programs, and then shut down the computer.

3.

If the computer is connected to a media base (docked), undock it. See the documentation that came with the media base for instructions.

4.


5.

Wait 10 to 20 seconds and then disconnect any attached devices.

6.

Remove any installed PC Cards or blanks, battery, and devices.

NOTICE: Handle modules by their edges, and do not touch the components on a module. Ground yourself by touching a metal connector on the back of the computer, and continue to do so periodically during this procedure.

7.

Turn the computer over and loosen the two captive screws on the modem cover, and remove the cover.

1 captive screw (2)

2 cover

8.

If a modem is not already installed, go to step 10

.

9.

If you are replacing a modem, remove the existing modem: a.

Remove the screw securing the modem to the system board, and set it aside. b.

Pull straight up on the attached pull-tab to lift the modem out of its connector on the system board, and disconnect the modem cable.

1 modem cable connector

2 modem

3 modem screw


10.

Connect the modem cable to the modem.

NOTICE: The connectors are keyed to ensure correct insertion. If you feel resistance, check the connectors and realign the card.

11.

Align the modem with the screw hole and press the modem into the connector on the system board.

12.

Install the screw to secure the modem to the system board.

13.

Replace the cover.

Adding a Mini PCI Card

If you ordered a Mini PCI card with your computer, the card is already installed.

CAUTION: Before performing any of the procedures listed below, read and follow the safety instructions in the System Information Guide.

1.


2.

Save and close any open files, exit any open programs, and shut down the computer.

3.

If the computer is connected to a media base (docked), undock it. See the documentation that came with the media base for instructions.

4.


5.

Wait 10 to 20 seconds and then disconnect any attached devices.

6.

Remove any installed PC Card or blanks, battery, and devices.

NOTICE: Handle modules and cards by their edges, and avoid touching pins and contacts. Ground yourself by touching a metal connector on the back of the computer. Continue to ground yourself periodically during this procedure.

7.

Turn the computer over, and loosen both the captive screw(s) from the Mini PCI card cover and remove the cover.

1 captive screw (2)

2 cover

8.

If a Mini PCI card is not already installed, go to step 10

.

9.

If you are replacing a Mini PCI card, remove the existing card: a.

Disconnect the Mini PCI card from the attached cables.

1 cable connectors b.

Release the Mini PCI card by spreading the metal securing tabs until the card pops up slightly.

1

2

latch release

MPCI card c.

Lift the Mini PCI card out of its connector.

NOTICE: To avoid damaging the Mini PCI card, never place cables on top of or under the card.

10.

To replace a Mini PCI card, align the card with the connector at a 45-degree angle, and press the Mini PCI card into the connector.

11.

Lower the Mini PCI card toward the inner tabs to approximately a 20-degree angle.

12.

Continue lowering the Mini PCI card until it snaps into the inner tabs of the connector.

1

2

connector

Mini PCI card

13.

Connect the antenna cable to the antenna connector on the Mini PCI card.

NOTICE: The connectors are keyed for correct insertion. If you feel resistance, check the connectors and realign the card.

1 cable connector

14.

Replace the cover and tighten the screws.


Dell Inspiron 300m Service Manual

Related manuals

Dell

Inspiron 4150

Dell

Inspiron 4150

Dell

Inspiron 710M

Dell

Inspiron 2650

Dell

Inspiron 2000

Dell

Inspiron 8200

Dell

Inspiron 9100

Dell

9100

Dell

4100

Dell

Inspiron XPS