Lenovo 3280 Laptop User Manual


 
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 rear PS/2 connectors and serial port 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 replace the rear PS/2 connectors and serial port assembly.
Note: The rear PS/2 connectors and serial port assembly is available only in some models.
To replace the rear PS/2 connectors and serial port 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 PS/2 connectors and serial port assembly. See “Locating components” on page 12.
5. Remove the rear I/O assembly and disconnect the cables of the rear PS/2 connectors and serial port
assembly from the system board. See “Removing and reinstalling the rear I/O assembly” on page 39.
6. Remove the screw 1 to disengage the rear PS/2 connectors and serial port assembly from the chassis.
Note: You might have to remove two screws to disengage the rear PS/2 connectors and serial port
assembly from the chassis.
Chapter 5. Installing or replacing hardware 63