Removing and installing the computer stand. Lenovo E73z, 10Bl

Chapter 9. Replacing FRUs

This chapter provides instructions about removing or replacing major FRUs. Not all FRUs are documented.

Important

Before you replace any FRU, read Chapter 2 “Safety information” on page 3. These precautions and

guidelines will help you work safely.

FRU replacements are to be done by trained service technicians only.

This chapter provides instructions about removing or replacing major FRUs. Not all FRUs are documented.

Removing and installing the computer stand

CAUTION:

Turn off the computer and wait three to five minutes to let the computer cool before removing the computer stand.

Attention:

Do not open your computer or attempt any repair before reading and understanding the Chapter

2 “Safety information” on page 3.

This section provides instructions on how to remove and install the computer stand.

The computer might be installed with a monitor stand or a frame stand.

• To remove and install the frame stand, see “Removing and reinstalling the frame stand” on page 71.

• To remove and install the monitor stand, see “Removing and installing the monitor stand” on page 73.

Removing and reinstalling the frame stand

Attention: Do not open your computer or attempt any repair before reading and understanding the

“Important safety information” on page 1

This section provides instructions on how to remove and reinstall the frame stand.

CAUTION:

Turn off the computer and wait three to five minutes to let the computer cool before removing the frame stand.

To remove and reinstall the frame stand, do the following:

1. Remove any media from the drives and turn off all attached devices and the computer.

2. Disconnect all power cords from electrical outlets.

3. Disconnect the power cords, Input/Output cables, and any other cables that are connected to the

computer. See “Locating connectors, controls, and indicators on the front of your computer” on page

65 and “Locating connectors on the rear of your computer” on page 66.

4. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up.

© Copyright Lenovo 2013, 2014 71

5. Remove the sheetmetal. Save the sheetmetal for recovering the screw hole. Loosen the screw 1 that secures the frame stand, and then lift the frame stand up and remove it from the computer.

Figure 5. Removing the frame stand

6. To install the frame stand, position the frame stand over the computer so that the screw hole in the stand aligns with the corresponding hole in the computer cover.

Figure 6. Reinstalling the frame stand

72 ThinkCentre E73z Hardware Maintenance Manual

7. Reinstall the screw to secure the frame stand to the computer. Recover the screw hole with the sheetmetal.

Figure 7. Reinstalling the screw to secure the frame stand to the computer

Removing and installing the monitor stand

Attention: Do not open your computer or attempt any repair before reading and understanding the

“Important safety information” on page 1

This section provides instructions on how to install the monitor stand.

Note: The monitor stand is available only in some models.

To install the monitor stand, do the following:

1. Remove any media from the drives and turn off all attached devices and the computer.

2. Disconnect all power cords from electrical outlets.

3. Disconnect the power cords, Input/Output cables, and any other cables that are connected to the

computer. See “Locating connectors, controls, and indicators on the front of your computer” on page

65 and “Locating connectors on the rear of your computer” on page 66.

4. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up.

5. If your computer is installed with a frame stand, remove the frame stand. See “Removing and reinstalling the frame stand” on page 71

Chapter 9 .

Replacing FRUs

73

6. If your computer is installed with a monitor stand, remove the two screws that secure the monitor stand, and then remove the monitor stand from the computer.

Figure 8. Removing the monitor stand

7. To install the monitor stand, place the monitor stand on the computer so that the two plastic tabs on the monitor stand align with the corresponding holes in the computer. Install the two screws to secure the monitor stand to the computer.

Figure 9. Installing the monitor stand

8. If needed, open the cable manager and route the cables connected to the computer through the cable manager to keep your workspace neat.

74 ThinkCentre E73z Hardware Maintenance Manual