22
Troubleshooting
(Continued)
Q: The computer boots up correctly, but the keyboard does not work.
A:
z
Check the cables and make sure that they are connected properly to the
correct ports.
z
Check to make sure that the keyboard works when directly plugged into the
computers.
z
Try a different keyboard, but use only 101, 102, or 104-key keyboards.
z
Make sure that the keyboard driver is for 101,102, or 104-key keyboards.
z
Check to make sure that the power adapter is plugged in and is working
properly. Make sure that the power switch is on.
PS/2 Mouse Problems
Q: The mouse is not detected during boot up.
A:
z
Check the cables and make sure that they are connected properly to the
correct ports.
z
Check your computer/motherboard documentation to make sure that the PS/2
mouse port (or IRQ) is enabled.
z
Make sure that the mouse is directly plugged into the computer. Rebooting is
necessary when trying this. If the computer still does not detect the mouse,
then there is a problem with your computer’s PS/2 mouse port.
Q: The computer boots up correctly, but the mouse does not work.
A:
z
Check the cables and make sure that they are connected properly to the
correct ports.
z
Make sure that the mouse works when plugged into the computer. Rebooting
is necessary when trying this. If the mouse pointer still does not move, then
either your PS/2 mouse port or the mouse itself has a problem.
z
Try using a different mouse.
z
Make sure that the mouse is a true PS/2 mouse. A combo mouse will work
just as long as it is set for the PS/2 mode with the correct adapter.
z
Check to make sure that the power adapter is plugged in and is working
properly. Make sure that the power switch is on.
Q: When I switch from one port to another, mouse movement is completely
erratic. what do I do?
A:
Switch the console port to the problem PC port and power on this PC again to
recover the mouse.