Lenovo 5248 - Manual (Page 26)

3. Remove the computer cover. See “Removing the computer cover” on page 14.
4. Locate the rear I/O assembly cover. See “Component locations” on page 10.
5. Carefully release the bottom of the rear I/O assembly cover from the computer front bezel and then
release the top of the rear I/O assembly cover from the computer VESA frame cover.
Figure 9. Removing the rear I/O assembly cover
6. To reinstall the rear I/O assembly cover, engage the bottom of the rear I/O assembly cover with the
computer front bezel and then press the top of the rear I/O assembly cover downward until it snaps
into place.
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 50.
Removing or reinstalling the VESA frame cover
To remove or reinstall the VESA frame cover, 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. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay
it down so that the screen is against the surface and the cover is facing up.
3. Remove the computer cover. See “Removing the computer cover” on page 14.
4. Remove the rear I/O assembly cover from the rear I/O assembly. See “Removing or reinstalling the
rear I/O assembly cover” on page 17.
5. Remove the frame stand or lift stand. See “Removing or reinstalling the frame stand” on page 14 or
“Removing or reinstalling the lift stand” on page 15.
18 ThinkCentre User Guide