Samsung NP-R20 User Manual (Vista) Specifications

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4. Troubleshooting
1) General
(1) Tools used for repairing the product
System Diagnostics Disk
MS-DOS Booting Disk
System Diagnostics Card
Screwdrivers (┼,━)
Tweezers
Multi-meter
Oscilloscope
Logic Analyzer
(2) Replaceable Units (FRU: Field Replaceable Unit)
DDRII RAM Module
2.5" SATA HDD
ODD – Super multi Dual layer drive or DVD Combo Drive or Etc.
Wireless LAN Module
Bluetooth Module
MDC Module
Camera Modual
DMB Module(option)
Keyboard
System Fan
TouchPad
LCD Panel
LCD Inverter
Main Board
PCMCIA Frame
Harness Cable – MDC Cable, Bluetooth Cable, LCD Cable,Camera Cable and DMB Cable
2 Types of Wireless LAN Antenna
FFC – Touch Pad FFC and SATA FPC
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4. Troubleshooting
2) Debugging Flow Chart
S tart
P o wer o n
N o p r o b le m
?
?
P o wer o n ?
N o p r o b le m
It is
p r o b le m .
It is
p r o b le m .
It is
p r o b le m .
?
It is
p r o b le m .
N o p r o b le m
N o p r o b le m
NO
?
?
C h eck R AM an d
r e p la c e it .
L C D d is p la y is O K ?
C h a n g e M a in b o a r d
a n d c h e c k it .
It is
p r o b le m .
S o lu t io n : R e p la c e t h e d e f e c t e d p a r t o r r e v is e t h e c o n n e c t iv it y..
It is
p r o b le m .
N o p r o b le m
?
C h eck O n to p b o ard &
c a b le
It is
p r o b le m .
YES
C h e c k t h e r e is a n y
s h o r t in t h e m a in
b o ard .
?
C h eck Ad ap ter an d
B a t t e r y.
?
C h e c k L C D c a b le .
C h eck L C D
P an el an d
In v e r t e r
N o p r o b le m
N o p r o b le m
?
C h e c k N o r t h b r id g e
YES
NO
?
C h e c k K e yb o a r d
c o n n e c t io n a n d
r e p la c e it .
N o p r o b le m
?
K e yb o a r d f u n c t io n is O K ?
C h a n g e M a in b o a r d
a n d c h e c k it .
It is
p r o b le m .
YES
S o lu t io n : R e p la c e t h e d e f e c t e d p a r t o r r e v is e t h e c o n n e c t iv it y..
It is
p r o b le m .
H D D an d O D D
is O K
in C M O S ?
N o p r o b le m
NO
?r e c o g n it io n
?
C h e c k t h e c o n n e c t io n
a n d c h a n g e t h e u n it .
C h a n g e M a in b o a r d
a n d c h e c k it .
YES
NO
?
N o p r o b le m
?
C h a n g e M a in b o a r d
a n d c h e c k it .
O S is c o r r u p t e d ?
O S b o o t in g is O K ?
It is
p r o b le m .
YES
It is
p r o b le m .
S o lu t io n : R e p la c e t h e d e f e c t e d p a r t o r r e v is e t h e c o n n e c t iv it y.
It is
p r o b le m .
?
T o u ch p ad
f u n c t io n is O K ?
NO
It is
p r o b le m .
N o p r o b le m
N o p r o b le m
?
C h eck T o u ch p ad
F F C ( M /B )
It is
p r o b le m .
?
C h eck T o u ch p ad
F F C ( m o d u le )
YES
5-2
N o p r o b le m
N o p r o b le m
C h eck T o u ch p ad
In t e r f a c e b o a r d
?
C h an g e
T o u ch p ad , an d
c h e c k f u n c t io n .
?
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4. Troubleshooting
N o p r o b le m
NO
?
?c o n n e c t i o n
C h e c k d r iv e r s t a t u s .
It is
p r o b le m .
YES
N o p r o b le m
C h eck sp eaker
an d
s p e a k e r c a b le
?
S p e a k e r 's s o u n d is O K ?
C h a n g e M a in b o a r d
a n d c h e c k it .
It is
p r o b le m .
S o l u t i o n : R e p l a c e t h e d e f e c t e d p a r t o r r e v i s e t h e c o n n e c t i v i t y.
It is
p r o b le m .
H ead p h o n e,
S P D IF , M IC
f u n c t io n is O K ?
?
NO
N o p r o b le m
?
C h a n g e M a in b o a r d
a n d c h e c k it .
C h e c k d r iv e r s t a t u s .
YES
? U SB
NO
is O K ?
C h a n g e M a in b o a r d
a n d c h e c k it .
YES
?6
in 1 card
NO
5 in 1 c a r d
f function
u n c t i o n iis
s O ok?
K?
C h a n g e M a in b o a r d
a n d c h e c k it .
?
C h e c k d r iv e r s t a t u s .
It is
p r o b le m .
YES
S o l u t i o n : R e p l a c e t h e d e f e c t e d p a r t o r r e v i s e t h e c o n n e c t i v i t y.
It is
p r o b le m .
?
L A N ,M O D E M ,
W LAN
f u n c t io n is
OK?
NO
N o p r o b le m
?
C h a n g e M a in b o a r d
a n d c h e c k it .
C h e c k d r iv e r s t a t u s .
YES
N o p r o b le m
NO
?
?
D M B f u n c t io n is o k ?
N o p r o b le m
?m oC dh ue cl ek i Ds MO BK ?
C h e c k d r iv e r s t a t u s .
It is
p r o b le m .
YES
C h a n g e M a in b o a r d
a n d c h e c k it .
It is
p r o b le m .
S o l u t i o n : R e p l a c e t h e d e f e c t e d p a r t o r r e v i s e t h e c o n n e c t i v i t y.
It is
p r o b le m .
It is
p r o b le m .
N o p r o b le m
?
B lu e t o o t h
f u n c t io n is O K ?
NO
?
C h e c k d r iv e r s t a t u s
It is
p r o b le m .
N o p r o b le m
?
C h e c k B lu e t o o t h c a b le .
YES
?
1 3 9 4 f u n c t io n is
OK?
NO
C h a n g e M a in b o a r d
a n d c h e c k it .
YES
End
5-3
?
C h eck
B lu e t o o t h
m o d u le .
N o p r o b le m
C h a n g e M a in b o a r d
a n d c h e c k it .
- This Document can not be used without Samsung's authorization -
4. Troubleshooting
3) System Diagnosis
(1) System Diagnostics Card
The Diagnostics Card shows the system operations during the POST (Power On Self Test) in a
2 digit hexadecimal number by connecting the cable to the 10 pin connector below the PCMCIA slot
after separating the Top part. The card is used to evaluate the reason for the malfunction without
disassembling the system when the system malfunctions and to test if the system operates normally
after replacing a defective FRU.
(2) Debugging Code
In general, if a defect of the circuit or part is detected during the system test, the system stops at
a particular code. The error codes for each part of the system are listed in the following table.
Code
Beeps
02h
POST Routine Description
Verify Real Mode
03h
Disable Non-Maskable Interrupt
04h
Get CPU type
06h
Initialize system hardware
08h
Initialize chipset with initial POST values
09h
Set IN POST flag
0Ah
Initialize CPU registers
0Bh
Enable CPU cache
0Ch
Initialize caches to initial POST values
0Eh
Initialize I/O component
0Fh
Initialize the local bus IDE
10h
Initialize Power Management
11h
Load alternate registers with initial POST values
12h
Restore CPU control word during warm boot
13h
Initialize PCI Bus Mastering devices
14h
Initialize keyboard controller
16h
1-2-2-3
BIOS ROM checksum
17h
Initialize cache before memory auto size
18h
8254 timer initialization
1Ah
8237 DMA controller initialization
1Ch
Reset Programmable Interrupt Controller
20h
1-3-1-1
Test DRAM refresh
22h
1-3-1-3
Test 8742 Keyboard Controlle
24h
Set ES segment register to 4 GB
26h
Enable A20 line
28h
Auto size DRAM
29h
Initialize POST Memory Manager
2Ah
Clear 512 KB base RAM
2Ch
1-3-4-1
RAM failure on address line xxxx*
2Eh
1-3-4-3
RAM failure on data bits xxxx* of low byte of memory bus
2Fh
30h
32h
Enable cache before system BIOS shadow
1-4-1-1
RAM failure on data bits xxxx* of high byte of memory bus
Test the CPU bus-clock frequency
33h
Initialize Phoenix Dispatch Manager
36h
Warm start shutdown
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4. Troubleshooting
38h
Shadow system BIOS ROM
3Ah
Auto size cache
3Ch
Advanced configuration of chipset registers
3Dh
Load alternate registers with CMOS values
42h
Initialize interrupt vectors
45h
46h
POST device initialization
2-1-2-3
48h
Check the ROM copyright notice
Check the video configuration against CMOS
49h
Initialize PCI bus and devices
4Ah
Initialize all video adapters on the system
4Bh
Quiet Boot start (optional)
4Ch
Shadow video BIOS ROM
4Eh
Display the BIOS copyright notice
50h
Display the CPU type and speed
51h
Initialize EISA board
52h
Test the keyboard
54h
58h
Set key click if enabled
2-2-3-1
Test for unexpected interrupts
59h
Initialize POST display service
5Ah
Display the prompt "Press F2 to enter SETUP"
5Bh
Disable CPU cache
5Ch
Test RAM between 512 and 640 KB
60h
Test extended memory
62h
Test extended memory address lines
64h
Jump to UserPatch1
66h
Configure advanced cache registers
67h
Initialize Multi Processor APIC
68h
Enable external and CPU caches
69h
Setup System Management Mode (SMM) area
6Ah
Display external L2 cache size
6Bh
Load custom defaults (optional)
6Ch
Display shadow-area message
6Eh
Display possible high address for UMB recovery
70h
Display error messages
72h
Check for configuration errors
76h
Check for keyboard errors
7Ch
Set up hardware interrupt vectors
7Eh
Initialize coprocessor if present
80h
Disable onboard Super I/O ports and IRQs
81h
Late POST device initialization
82h
Detect and install external RS232 ports
83h
Configure non-MCD IDE controllers
84h
Detect and install external parallel ports
85h
Initialize PC-compatible PnP ISA devices
86h
Re-initialize onboard I/O ports.
87h
Configure Mothe board Configurable Devices
88h
Initialize BIOS Data Area
89h
Enable Non-Maskable Interrupts (NMIs)
8Ah
Initialize Extended BIOS Data Area
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4. Troubleshooting
8Bh
Test and initialize PS/2 mouse
8Ch
Initialize floppy controller
8Fh
Determine number of ATA drives (optional)
90h
Initialize hard-disk controllers
91h
Initialize local-bus hard-disk controllers
92h
Jump to UserPatch2
93h
Build MPTABLE for multi-processor boards
95h
Install CD ROM for boot
96h
Clear huge ES segment register
97h
98h
Fixup Multi Processor table
1-2
che
Search for option ROMs. One long, two short beeps on
checksum failure
99h
Check for SMART Drive (optional)
9Ah
Shadow option ROMs
9Ch
Set up Power Management
9Dh
Initialize security engine (optional)
9Eh
Enable hardware interrupts
9Fh
Determine number of ATA and SCSI drives
A0h
Set time of day
A2h
Check key lock
A4h
Initialize Typematic rate
A8h
Erase F2 prompt
AAh
Scan for F2 key stroke
ACh
Enter SETUP
AEh
Clear Boot flag
B0h
Check for errors
B2h
B4h
POST done - prepare to boot operating system
1
One short beep before boot
B5h
Terminate QuietBoot (optional)
B6h
Check password (optional)
B9h
Prepare Boot
BAh
Initialize DMI parameters
BBh
Initialize PnP Option ROMs
BCh
Clear parity checkers
BDh
Display Multi Boot menu
BEh
Clear screen (optional)
BFh
Check virus and backup reminders
C0h
Try to boot with INT 19
C1h
Initialize POST Error Manager (PEM)
C2h
Initialize error logging
C3h
Initialize error display function
C4h
Initialize system error handler
C5h
PnPnd dual CMOS (optional)
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4. Troubleshooting
(3) Use of Debug card
-. Like upper picture, debug card is connected to DEBUG connector(as following) in Main board.
-. Debug code is shown at the viewer in red line.
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4. Troubleshooting
4) Hardware Troubleshooting
For the procedures to disassemble each part, refer to the descriptions of Chapter 4, “Disassembly and
Reassembly”.
◆ LCD Related Troubles
1. The screen is dark or the colors of the screen are distorted.
→ Check the connection status between the LCD module and the LCD cable, between the LCD
cable and the main board LCD connector and between the LCD cable and the LCD inverter.
→ Replace the LCD cable or LCD inverter.
→ Check if there is a part of the LCD that is bent or broken due to impact.
2. No picture appears on the screen.
→ Check the connection status between the LCD module and the LCD cable, between the LCD
cable and the main board LCD connector and between the LCD cable and the LCD inverter.
→ Replace the LCD cable or LCD inverter.
→ Check if the System LED of the main board is blinking. (Check if it is operating or not)
→ Check if the memory module is out of order.
→ Check if the Power button can be normally pressed.
3. The LCD brightness is not adjusted.
→ Check if the LCD inverter is out of order.
→ Check the BIOS version and check if the standard adapter is used.
→ Replace the LCD cable or LCD inverter and check if it is out of order.
4. The LCD blinks while the system is in operation.
→ Check if there is a magnetic body near the touch pad button or the system or check if there is
an exterior defect to the LCD or system.
→ Replace the LCD cable or LCD inverter and check if it is out of order.
→ Check if a standard adapter is being used (R20/R21:19V/3.16A/60W).
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4. Troubleshooting
◆ Main System Troubles
5. The system is not turned off.
→ Check if the AC adapter LED is lit and if the adapter is properly connected to the system.
(Check the adapter LED)
→ If the AC adapter is not connected, check the charge status of the battery. Even if the battery
is charged, if the remaining battery charge is too low, the system may not be turned on.
(As the following figure shows, press the PUSH button on the battery and check the remaining
battery charge via the LEDs)
→ Check if there are any alien substances in the Power switch. if have,change the LED
6. Although system power is supplied, the system does not boot or immediately turns off after being
turned on.
→ Since this may be a short circuit in the system, disconnect the power immediately, disassemble
the system and check if there are any conducting alien objects such as a screw inside.
→ Check the connection status between the CPU and the RHE.
→ Replace the memory module and check if it is out of order.
→ Reset the RTC Reset terminal next to the memory socket.
Remove RTC cabel from RTC connector
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4. Troubleshooting
Connect the two pad of the cap for a while
→ Replace the main board.
7. The Express card is not inserted or the Eject button does not work.
→ This may occur when the insulator within the Express card slot is enwrapped.
→ Replace the Express card slot frame and check if it is out of order.
8. There is no sound from the speaker.
(Insert the figure of the audio jacks so that the reader can check via the figure.)
→ Check if the earphones or headphones are connected to the MIC jack of if there are any alien
substances in the jack.
→ Check if the sound is muted after booting up Windows.
→ Check the connection status of the speaker cable and check if the speaker is out of order.
→ Check if there is a magnetic object near the speaker.
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4. Troubleshooting
9. I cannot hear sound through the headphones.
→ Check if the sound is muted in Windows.
→ Turn the volume up.
→ Replace the main board
10. The external microphone does not work normally.
→ Check the audio driver settings and change them if necessary.
Selecting the "1. Front panel microphone" option activates the external MIC.
→ Replace the main board
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4. Troubleshooting
11. The HDD is not recognized.
→ Check the connection status of the HDD connector. fixup HDD, check whether the system can
be found. if not,change the connector on the motherboard and check again.
→ If the 'Operating system not found' message appears during the booting process even though
the HDD is recognized by CMOS, the operating system of the HDD may be corrupted or the
HDD is out of order. In this case, format the HDD and reinstall the operating system or replace
the HDD with a new one.
12. The Touch Pad does not work or is malfunctioning.
→ Check the connection status of the Touch Pad FFC.
→ Check the connection status of the Touch Pad module
→ If there is no problem with the connections, replace any suspicious parts and check if they are
out of order.
13. The battery is not charged or the battery charge LED malfunctions.
→ Check the standard voltage of the adapter.
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4. Troubleshooting
→ Check if the battery is defective.
→ Replace the main board.
14. The LAN function does not work.
→ Check if the LAN cable is properly connected.
→ Check if the LAN driver is properly installed.
→ If the driver is properly installed, check if the LAN cable jack is out of order.
→ Replace the main board
15. The USB function does not work.
→ Check if the USB jack is out of order.
→ Replace the main board
16. The wireless LAN does not work normally.
→ Check if the WLAN slide switch is in the ON position.
→ Check if the WLAN driver is properly installed.
→ Check if the wireless LAN antenna cable is properly connected.
→ Replace the main board
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4. Troubleshooting
17. The Fan does not work normally
→ Check if the Thermal is locked tightly.
→ Check if the Fan cable is properly connected
FAN Control Table
Voltage
(for CPU
Address
temperature) temperature)
RPM
(Volt)
Noise
(Hexa)
CPU
Sensor(on/o
ff)
OFF
(for GMCH
GMCH
sensor(on/off)
FF
OFF
20dBA
3C
2300 rpm
25dBA
55/50
65/55
32
2750 rpm
28dBA
62/58
68/65
2C
3100 rpm
30dBA
70/65
70/68
27
3450 rpm
32dBA
80/75
75/70
24
3750 rpm
37dBA
85/80
80/75
◆ When booting up the computer
18. The "Invalid System Disk. Replace the Disk and then press any key" message appears.
→ This message may appear when the connected USB memory or CD media does not include
bootable data.
→ The "Reboot and Select the proper Boot device or Insert a bootable media in the selected Boot
device and press a key" message appears.
→ Check if the signal and power cables are properly connected to the hard disk drive.
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4. Troubleshooting
→ Check if the hard disk drive is recognized in the BIOS SETUP.
→ The operating system on the hard disk drive is corrupted. Reinstall Windows.
19. The "To enter BIOS SETUP, press <F2>. To continue, press <F1>." message appears.
→ This may happen when the BIOS settings are different from the system environment. In this
case, setup the BIOS according to your system environment.
→ Press <F2> to enter the BIOS SETUP.
→ Check if the date and time are correct in the BIOS SETUP.
→ Save the settings and restart the system.
20. The 'CMOS Checksum error’ message appears.
→ This message may appear when the CMOS battery of the main board is completely discharged.
In this case, replace the battery with a new one of the same type and set up the BIOS SETUP
according to your system environment.
21. Windows boots up in safe mode.
→ This may happen when Windows was not shut down normally. Therefore, shut down the system
by selecting Start > Turn Off Computer.
→ This may happen when the system settings have been incompletely recognized.
→ Run Check Disk.
22. I cannot boot up the computer with a USB floppy drive or from USB memory.
→ Check if the diskette is bootable.
→ This may happen when the booting priority of the device is low. In this case, change the
booting priority in the BIOS SETUP.
◆ When shutting down the computer
23. The computer is not shut down
→ If Windows does not end normally, you can forcibly shut down the system by pressing the
Power button. If the power-saving feature is activated on the Power button, press the Power
button for more than 4 seconds to turn the computer off. If the computer is then turned on again,
Check Disk is automatically run.
◆ Windows / Screen Related Problems
24. The computer hangs while running a program.
→ If the running program causes an error:
In Windows XP, press the <Ctrl>, <Alt> and <Del> key combination, select the application
program and click on End Task in the Applications tab of the [Windows Task Manager] window.
In Windows 2000, press the <Ctrl>, <Alt> and <Del> key combination, select the application
program or an application that does not respond and click on End Task in the [End Program]
window.
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4. Troubleshooting
→ If Windows does not respond, restart the computer. Restart the computer by pressing the Power
button.
25. No picture is displayed on the external monitor.
→ Press the Switch LCD/CRT Monitor function key and check if the screen output is output to
another display device.
→ Check if the hardware is out of order referring to the descriptions in the LCD related section of
the Hardware Troubleshooting.
→ For models with external graphics, replace the VGA board and check if it is out of order.
◆ CD/DVD-ROM Related Troubles
26. A disc is not recognized or read.
→ Check if the ODD module and the main board are properly connected with the 50 pin connector.
→ Replace the ODD, if necessary.
◆ Power-Saving Mode Related Troubles
27. Connecting a USB device to the computer in standby mode.
→ If a USB device is connected to the computer in standby mode, the screen may be abnormally
displayed.
You have to connect a USB device when the computer is operating normally.
28. A USB device is not working normally when the computer returns from standby mode.
→ In this case, separate and reconnect the USB device.
29. The picture is displayed abnormally when the computer running the Command Prompt (MS-DOS)
enters standby mode and then returns from standby mode.
→ Press the <Alt> and <Tab> key combination to display the picture on the screen.
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4. Troubleshooting
5) Device Settings Related Software Diagnosis
(1) Check if the drivers of each of the devices are properly installed. That is, check if there are any
yellow exclamation marks in the Device Manager.
(2) Check the device driver version and check if it is conflicting with another driver. If the driver is
not properly installed, install a new driver.
(The following figure illustrates the properties of the Internal GFx device driver).
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4. Troubleshooting
(3) Check if the program is properly installed.
Click on the Realtek Control Panel in the Control Panel and check if the function works normally.
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4. Troubleshooting
(4) HDD and ODD Related Problems
For an HDD, check if the HDD operates in Ultra DMA Mode 5 by selecting the Primary IDE
Channel in the Control Panel as follows. If it does not, check the BIOS SETUP, reinstall the
operating system or replace the HDD-FPC or HDD, if necessary.
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4. Troubleshooting
For an ODD, check if it operates in Ultra DMA Mode 2. If it does not, check if the disc inserted
into the ODD is clean. If the disc is contaminated, the access speed may slows down. If the disc is
clean, check the BIOS SETUP, reinstall the operating system or ODD, if necessary.
Check if the HDD and ODD models are properly displayed. If not, check the BIOS SETUP or
replace the FPC or drive, if necessary.
(5) Windows Vista System
The operating system(OS) installed on this product is the latest version of Windows Vista,
You cannot install an operating system other than vista as well as any unauthorized copy of
Windows Vista.
Other operating systems (Windows 98,Windows ME,Windows 2000,Windows XP,Windows 2003
Server,UNIX and LINUX.other Windows Vista versions,etc.)other than the operating system
already installed on this computer are not supported.
Installing a program that does not support Windows Vista,may cause the program to not work
properly.
In this case,ask the corresponding software manufacturer about the problem . if you request our
services to resolve a problem caused bu incompatible software.
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4. Troubleshooting
(6) Other Problems
Press each corresponding button and check its operation.
The following figure illustrates the operation of the volume control button.
The drivers and application software are listed in the following table.
Drivers
VistaHP(KOR)
Chipset Driver
8.1.1.1010
DMB USB Driver
5.0.9.3 Vista 32Bit (SABI Off, Logo)
Graphics Driver
7.14.10.1214
Wireless LAN Driver(Intel)
11.1.0.86 32bit (PV)
Sound Driver
6.0.1.5378
Bluetooth Driver
6.0.1.3700
Touchpad Driver
9.1.15.0
Modem Driver
2.1.75_Vista_LogoedR
Memory Card Driver
6.0.1.10
LAN Driver
9.12.3.3
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4. Troubleshooting
Applications
ABBYY Lingvo 9(RUS)
Samsung Battery Manager
3.2.0.8
Easy Box
Magic Keyboard
Samsung Update Plus
1.3.0.10
Network Manager
3.0.1.7
Display Manager
2.1.2.0
HotStart Shell(AVSTation Now)
4.0.10.5
Magic Doctor
5.009
CyberLink DVD Solution
36 - Vista
nTracker(KOR)
3.0.1.0
Adobe Reader(RUS)
Adobe Reader
7.0.8.218
McAfee Anti-Virus
13.3.0.132
MS office 2007 ready(KOR/export)
1
Vista Manual Firenze-R(R55)
SW Media Installer -1of1(Vista)
Vista 4.0.1.7
Vista-Hotfix-Bluetooth
1.0.0.1
Vista-Hotfix-common
1.0.0.3
Recovery Solution II
1.0.1.1
Media Center한글입력기(KOR)
3.1.5
Media Center Update(Vista)
2.0.3
Samsung Screen Saver(KOR)
1.0.2.0
SetDisplayResolution
1.2.0.0
Wallpaper
2.0.0.0
AVStation Movie Contents (KOR)
4.1.7
AVStation Movie Contents (NO KOR)
4.1.7
Play AVStation_PM_35_KM
4.1.20.44
Easy Partition Manager
2.2.1.4
Dungeon&Fighter Setup Icon
1.0.0.1_2
CSUP (MDA)
1.0.0.4
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4. Troubleshooting
6) Battery Use Time
Check the following check lists for systems where the battery use time is too short to diagnose
problems.
(1) Check the battery
Check if the battery is out of order referring to the Battery check program distributed to Service
Centers and the 'Battery Check Manual' included in the 'Note-PC A/S Guide'.
1. Battery Check List
2. Criteria for each of the check lists.
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4. Troubleshooting
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4. Troubleshooting
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4. Troubleshooting
3. Battery Capacity Table
4. Battery Check Program
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4. Troubleshooting
(2) Check the battery use environment
1. Generally, the battery usage time in advertisements by notebook manufacturers refers to the
maximum battery use time. Since the system specifications and the usage environment may differ,
the user's battery usage time may differ from the advertisement even if there is no problem with
the system.
2. Conditions for the company's maximum battery use time
a. Minimum LCD brightness, base system, the wireless LAN R/F is turned off, BatteryManagerMaximum Battery Mode
b. Measuring Tool: BatteryMark v.4.0.1
3. If a customer complains about the battery usage time, let them know that the battery usage time
may differ depending on the model specifications and the usage environment and recommend
the following usage environment for longer battery time.
a. Use the company's power-saving program, BatteryManager, and set BatteryManager to
Maximum Battery Mode.
b. LCD brightness: Set to the minimum level as long as the user does not experience
inconvenience.
c. Disable unnecessary devices
: Turn the wireless LAN R/F switch off and disable USB devices (DMB, fingerprint recognition
and Bluetooth)
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4. Troubleshooting
7) Other
7)-1. CPU Spec
CPU
4-6 code
T7700
0902-002199
uFCPGA LF80537GG0564M 2.4GHz,uFCPGA,479P,TR,PLASTIC,1.05V,34W,0to+100C,4MB,FSB800
Type
업체 P/N
Description
T7500
0902-002198
uFCPGA LF80537GG0494M 2.2GHz,uFCPGA,479P,TR,PLASTIC,1.05V,34W,0to+100C,4MB,FSB800
T7300
0902-002197
uFCPGA LF80537GG0414M 2.0GHz,uFCPGA,479P,TR,PLASTIC,1.05V,34W,0to+100C,4MB,FSB800
T7100
0902-002196
uFCPGA LF80537GG0332M 1.8GHz,uFCPGA,479P,TR,PLASTIC,1.05V,34W,0to+100C,2MB,FSB800
7)-2. Model Numbering Rule
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