Lenovo ThinkCentre M75e Hardware Maintenance Manual - Page 112

Installing or replacing hardware, Removing the computer cover

Page 112 highlights

Installing or replacing hardware This section provides instructions on how to install or replace hardware for your computer. You can expand the capabilities of your computer by adding memory modules, PCI cards, or drives, and maintain your computer by replacing the failing hardware. Notes: 1. Use only computer parts provided by Lenovo. 2. When installing or replacing an option, use the appropriate instructions in this section along with the instructions that come with the option. Removing the computer cover Attention: Do not open your computer or attempt any repair before reading and understanding the "Important safety information" in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to remove the computer cover. CAUTION: Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover. To remove the computer cover, do the following: 1. Remove all media from the drives. Then, turn off all attached devices and the computer. 2. Disconnect all power cords from electrical outlets. 3. Disconnect the power cord, Input/Output (I/O) cables, and all other cables that are connected to the computer. 4. Remove any locking device that secures the computer cover, such as an integrated cable lock or a padlock. 5. Remove the two screws that secure the computer cover and slide the computer cover to the rear to remove it. 106 ThinkCentre Hardware Maintenance Manual

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Installing or replacing hardware
This section provides instructions on how to install or replace hardware for your computer. You can expand
the capabilities of your computer by adding memory modules, PCI cards, or drives, and maintain your
computer by replacing the failing hardware.
Notes:
1. Use only computer parts provided by Lenovo.
2. When installing or replacing an option, use the appropriate instructions in this section along with the
instructions that come with the option.
Removing the computer cover
Attention:
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
in the
ThinkCentre Safety and Warranty Guide
that came with your computer. To obtain a copy of the
ThinkCentre
Safety and Warranty Guide
, go to:
This section provides instructions on how to remove the computer cover.
CAUTION:
Turn off the computer and wait three to five minutes to let the computer cool before
removing the computer cover.
To remove the computer cover, do the following:
1. Remove all media from the drives. Then, turn off all attached devices and the computer.
2. Disconnect all power cords from electrical outlets.
3. Disconnect the power cord, Input/Output (I/O) cables, and all other cables that are connected to the
computer.
4. Remove any locking device that secures the computer cover, such as an integrated cable lock or
a padlock.
5. Remove the two screws that secure the computer cover and slide the computer cover to the rear to
remove it.
106
ThinkCentre Hardware Maintenance Manual