Solving Keyboard And Mouse Problems; Solving Front Panel Component Problems - HP xw9400 Service And Technical Reference Manual

Solving keyboard and mouse problems

Table 5-10 Keyboard and mouse problems
Problem
Keyboard commands and typing
are not recognized by the
workstation.
Cursor will not move using the
arrow keys on the keypad.
Mouse does not respond to
movement or is too slow.
Mouse will only move vertically or
horizontally, or movement is jerky.

Solving front panel component problems

If you are experiencing problems with one of the front panel ports, you might be able to try your device
in the corresponding port on the back side of the computer. If this does not fix the problem, or you must
use the front panel ports, continue troubleshooting.
ENWW
Cause
Keyboard connector is not
properly connected.
Program in use has stopped
responding to commands.
Keyboard needs repairs.
Keyboard key is stuck down.
Workstation is in Standby
mode and the system LED is
flashing.
The Num Lock key might be
on.
Mouse connector is
not properly plugged into the
back of the workstation.
You need to increase mouse
acceleration.
Program in use has stopped
responding to commands.
Mouse needs repairs.
Workstation is in Standby
mode and system LED is
flashing.
Mouse roller ball is dirty.
Solution
1. Power off the workstation.
2. Reconnect the keyboard to the workstation and
restart the workstation.
Shut down the workstation using the mouse and then
restart the workstation.
Replace the keyboard.
Remove any debris from the keyboard.
Press the power button to resume from Standby mode.
CAUTION When attempting to resume from
Standby mode, do not hold down the power button
for more than four seconds. Otherwise, the
workstation will shut down and you will lose your
data.
Press the Num Lock key. The Num Lock light should not
be on if you want to use the arrow keys. The
can be disabled (or enabled) in Computer Setup.
1. Shut down the workstation using the keyboard.
2. Plug the mouse connector into the PS/2 or USB
mouse connector in the workstation and restart the
workstation.
1. In Windows, click Start>Control Panel and double-
click Mouse.
2. Select the Motion tab and adjust the speed.
Shut down the workstation using the keyboard and then
restart the workstation.
Replace the mouse.
Press the power button to resume from Stand By mode.
CAUTION When attempting to resume from
Standby mode, do not hold down the power button
for more than four seconds. Otherwise, the
workstation will shut down and you will lose your
data.
Remove roller ball cover from the bottom of the mouse and
clean it.
Troubleshooting scenarios and solutions 121
Num Lock key