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.
Removing and reinstalling the system stand hinge cover
Attention
Do not open your computer or attempt any repair before reading and understanding the “Important safety information” in the Safety, Warranty, and Setup Guide that came with your computer. To obtain a copy of the Safety, Warranty, and Setup Guide, go to:
http://www.lenovo.com/support
This section provides instructions on how to remove and reinstall the system stand hinge cover.
CAUTION:
Turn off the computer and wait three to five minutes to let the computer cool before removing the system stand hinge cover.
To remove and reinstall the system stand hinge cover, 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 61 and “Locating connectors, controls, and indicators on the rear of your computer” on page 62.
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.Remove the screw that secures the system stand hinge cover, and then lift the system stand hinge cover up and remove it from the computer.
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