Lenovo ThinkCentre M92z Hardware Maintenance Manual - ThinkCentre M92z (type 3 - Page 89

Removing and reinstalling the rear I/O assembly

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This section provides instructions on how to remove and reinstall the handle bar. Note: The handle bar is available only in models with the 20-inch display. To remove and reinstall the handle bar, do the following: 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2. 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. 3. Remove the computer cover. See "Removing the computer cover" on page 83. 4. Locate the handle bar. See "Locating major FRUs and CRUs (for models with the 20-inch display)" on page 73. 5. Remove the two screws that secure the handle bar to the chassis, and then slide the handle bar to disengage it from the chassis. Figure 11. Removing the handle bar 6. To reinstall the handle bar, align the two screw holes in the handle bar with those in the chassis, and then install the screws to secure the handle bar to the chassis. What to do next: • To work with another piece of hardware, go to the appropriate section. • To complete the installation or replacement, go to "Completing the parts replacement" on page 127. Removing and reinstalling the rear I/O assembly Attention: Do not open your computer or attempt any repair before reading and understanding "Important Safety Information" on page 1. This section provides instructions on how to remove and reinstall the rear I/O assembly. To remove and reinstall the rear I/O assembly, do the following: 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. Chapter 9. Replacing FRUs 85

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This section provides instructions on how to remove and reinstall the handle bar.
Note:
The handle bar is available only in models with the 20-inch display.
To remove and reinstall the handle bar, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. 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.
3. Remove the computer cover. See “Removing the computer cover” on page 83.
4. Locate the handle bar. See “Locating major FRUs and CRUs (for models with the 20-inch display)”
on page 73.
5. Remove the two screws that secure the handle bar to the chassis, and then slide the handle bar to
disengage it from the chassis.
Figure 11. Removing the handle bar
6. To reinstall the handle bar, align the two screw holes in the handle bar with those in the chassis, and
then install the screws to secure the handle bar to the chassis.
What to do next:
•
To work with another piece of hardware, go to the appropriate section.
•
To complete the installation or replacement, go to “Completing the parts replacement” on page 127.
Removing and reinstalling the rear I/O assembly
Attention:
Do not open your computer or attempt any repair before reading and understanding “Important Safety Information”
on page 1.
This section provides instructions on how to remove and reinstall the rear I/O assembly.
To remove and reinstall the rear I/O assembly, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
Chapter 9
.
Replacing FRUs
85