Lenovo 3231 Personal Computer User Manual


 
2. Release the three plastic tabs on the left side and pivot the front bezel outward
to remove it. Carefully set the bezel to the side without disconnecting the
power switch and LED assembly cable.
3. To reinstall the front bezel, align the plastic tabs on the right side of the front
bezel with the corresponding holes in the chassis, then pivot the front bezel
inward until it snaps into position on the left side.
4. To complete the installation, go to “Completing the parts replacement” on page
45.
Installing internal options
Important
Be sure to read and understand “Handling static-sensitive devices” on page
13 before removing the computer cover.
Installing or replacing an adapter card
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 install or replace an adapter card.
Your computer has two standard PCI adapter card slots, one PCI Express x1
adapter card slot, and one PCI Express x16 graphics adapter card slot.
Figure 6. Removing the front bezel
16 User Guide