Removing And Reinstalling The Rear I/O Assembly - Lenovo ThinkCentre 3280 User Manual

3. Remove the computer cover. See "Removing the computer cover" on page 36.
4. Locate the handle bar. See "Locating components" on page 12.
5. Remove the two screws that secure the handle bar to the chassis, and then slide the handle bar to
disengage it from the chassis.
Figure 14. Removing the handle bar
6. To reinstall the handle bar, align the two screw holes in the handle bar with those in the chassis, and
then install the screws to secure the handle bar to the chassis.
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 68.

Removing and reinstalling the rear I/O assembly

Attention: Do not open your computer or attempt any repair before reading and understanding the "Important
safety information" on page v.
This section provides instructions on how to remove and reinstall the rear I/O assembly.
To remove and reinstall the rear I/O assembly, 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 36.
4. Locate the rear I/O assembly. See "Locating components" on page 12.
5. Remove the screws
upward to remove it from the rear I/O assembly slot.
1
that secure the rear I/O assembly to the chassis. Then, lift the rear I/O assembly
.
Chapter 5 Installing or replacing hardware
39