Replacing The Optical Drive - Lenovo 10A4 Hardware Maintenance Manual

Figure 110. Opening the retaining clips
9. Position the new memory module over the memory slot. Ensure that the notch
module is aligned with the key
slot until the retaining clips fully close.
Note: Ensure that the memory module is seated securely and cannot be moved easily.
Figure 111. Installing a memory module
10. Reinstall the PCI Express x16 graphics card if you had removed it. See "Installing or replacing a PCI
card" on page 156.
11. Reinstall the heat sink fan duct. See "Replacing the heat sink and fan assembly" on page 183.
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 224.

Replacing the optical drive

Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 "Safety information" on page 1.
This section provides instructions on how to replace the optical drive.
To replace the optical drive, 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.
160
ThinkCentre M83 and M93/p Hardware Maintenance Manual
2 in the slot. Then, push the new memory module straight down into the
1 on the new memory