Replacing The Optical Drive - Lenovo 10A4 Hardware Maintenance Manual

7. Position the new memory module over the memory slot. Make sure that the notch
module aligns correctly with the slot key
down into the slot until the retaining clips close.
Figure 26. Installing a memory module
8. Reinstall the PCI Express x16 graphics card if you have removed it.
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 150.

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.
Note: The optical drive is available only in some models.
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.
2. Remove the computer cover. See "Removing the computer cover" on page 91.
3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 92.
4. Depending on whether you are installing or replacing an optical drive, do one of the following:
• If you are installing a secondary optical drive, remove the plastic panel in the front bezel for the drive
bay you want to use. If there is a metal static shield installed in the drive bay, remove the metal static
shield.
• If you are replacing an optical drive, disconnect the signal cable and the power cable from the rear of
the optical drive, press the blue release button, and then slide the optical drive out of the front of the
computer.
98
ThinkCentre M83 and M93/p Hardware Maintenance Manual
2
on the system board. Push the memory module straight
1 on the memory