Lenovo 10BN, Руководство по техническому обслуживанию аппаратной части

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10. Install the screw to secure the card reader bracket to the chassis.
Figure 89. Installing the screw that secures the card reader
11. Reconnect the card reader cable to one of the USB connectors on the system board. See “Locating
parts on the system board” on page 71.
12. Pivot the optical drive bay downward until it snaps into position.
13. Reinstall the front bezel. See “Removing and reinstalling the front bezel” on page 136.
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 187.
Replacing the power switch unit
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 replace the power switch unit.
To replace the power switch unit, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Open the computer cover. See “Opening the computer cover” on page 136.
3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 136.
4. Locate the power switch unit. See “Locating major FRUs and CRUs” on page 74.
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ThinkCentre M78 Hardware Maintenance Manual