Solving keyboard and mouse problems
Table 6-10 Keyboard and mouse problems
Problem Cause Solution
Keyboard commands and
typing are not recognized by
the workstation.
Keyboard connector
is not properly
connected.
1. Power off the workstation.
2. Reconnect the keyboard to the workstation
and restart the workstation.
Program in use has
stopped responding
to commands.
Shut down the workstation using the mouse
and then restart the workstation.
Keyboard needs repairs. Replace the keyboard.
Keyboard key is stuck
down.
Remove any debris from the keyboard.
Workstation is in
Standby mode and the
system LED is flashing.
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.
Cursor will not move using
the arrow keys on the
keypad.
The Num Lock key
might be on.
Press the Num Lock key. The Num Lock light
should not be on if you want to use the arrow
keys. The Num Lock key can be disabled
(or enabled) in Computer Setup.
Mouse does not respond to
movement or is too slow.
Mouse connector is
not properly plugged into
the back of the
workstation.
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.
You need to increase
mouse acceleration.
1. In Windows, click Start>Control Panel
and double-click Mouse.
2. Select the Motion tab and adjust the
speed.
Program in use has
stopped responding
to commands.
Shut down the workstation using the keyboard
and then restart the workstation.
Mouse needs repairs. Replace the mouse.
Workstation is in
Standby mode and
system LED is flashing.
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.
Mouse will only move
vertically or horizontally,
or movement is jerky.
Mouse roller ball is dirty. Remove roller ball cover from the bottom of the
mouse and clean it.
150 Chapter 6 System diagnostics and troubleshooting ENWW
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