Lenovo 3291 Laptop User Manual


 
Figure 42. Removing the rear PS/2 connectors and serial port assembly
7. Align the screw hole in the new rear PS/2 connectors and serial port assembly with the corresponding
screw hole in the chassis. Then, install the screw to secure the new rear PS/2 connectors and serial
port assembly to the chassis.
8. Connect the cables of the new rear PS/2 connectors and serial port assembly to the system board. See
“Locating parts on the system board” on page 15.
9. Reinstall the rear I/O assembly. See “Removing and reinstalling the rear I/O assembly” on page 39.
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.
Replacing the mouse
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 replace the mouse.
If you are using a wired mouse, do the following:
1. Disconnect the old mouse cable from the computer.
2. Connect a new mouse to the appropriate connector on the computer. Your mouse might be
connected to a PS/2 mouse connector 1 or a USB connector 2 . Depending on where to connect
your mouse, see “Locating connectors, controls, and indicators on the front of your computer” on
page 8 or “Locating connectors on the rear of your computer” on page 10.
64 ThinkCentre User Guide