Lenovo 11A9000DGE, Hardware Maintenance Manual, Page: 64 / 118

29
M.2 Wi-Fi card slot
30
PCI Express x16 graphics card slot
31
System fan connector
Removing and installing hardware
This section provides instructions on how to remove and install hardware for your computer. You can expand
the capabilities of your computer and maintain your computer by removing or installing hardware.
Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 “Important safety information” on page 1.
Vertical stand
Prerequisite
Before you start, read Chapter 1 “Important safety information” on page 1 and print the following
instructions.
Before you open the computer cover, turn off the computer and wait several minutes until the computer is
cool.
Replacement procedure
1. Turn off the computer and remove all connected devices and cables.
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. See “Lock the computer” on page 30.
4. Remove the vertical stand.
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M75s-1 Hardware Maintenance Manual