Lenovo ThinkCentre M75t Gen 2, Руководство пользователя, Страница: 46 / 98

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Remove or replace a CRU
This section provides instructions on how to remove or replace a CRU.
Computer cover
Prerequisite
Before you start, read Appendix A “Important safety information” on page 59 and print the following
instructions.
Before you open the computer cover, turn off the computer and wait several minutes until the computer is
cool.
For access, do the following:
1. Remove any media from the drives and turn off all connected devices and the computer.
2. Disconnect all power cords from electrical outlets and disconnect all cables from the computer.
3. Unlock any locking device that secures the computer cover.
4. Lay down the computer to place the computer cover facing up.
Removal steps
Front bezel
Prerequisite
Before you start, read Appendix A “Important safety information” on page 59 and print the following
instructions.
For access, remove the computer cover. See “Computer cover” on page 40.
40
M75t Gen 2 User Guide