Lenovo 10AX, Maintenance Manual

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5. To lower the drive bay assembly, slightly press the drive bay assembly clip 1 inward and pivot the drive
bay assembly downward as shown.
Figure 72. Lowering the drive bay assembly
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 186.
Installing or replacing a PCI Express card
Attention:
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
on page 1.
This section provides instructions on how to install or replace a PCI Express card. Your computer has two
PCI Express x1 card slots and one PCI Express x16 graphics card slot.
To install or replace a PCI Express card, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Remove the computer cover. See “Removing the computer cover” on page 136.
3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 136
4. Pivot the drive bay assembly upward. See “Accessing the system board components and drives” on
page 138.
5. Depending on whether you are installing or replacing a PCI Express card, do one of the following:
• If you are replacing an old PCI Express card, remove the screw that secures the old PCI Express card
and release the old PCI Express card from the PCI Express card slot.
Chapter 10
.
Replacing FRUs (machine types: 10B4, 10B5, 10B6, and 10B7)
139