Troubleshooting Without Diagnostics
Solving Keyboard and Mouse ProblemsSolving Keyboard ProblemsProblem | Cause | Solution |
Keyboard commands and | Keyboard connector |
typing are not recognized | is not properly |
by the computer. | connected. |
1.Turn off the computer.
2.Reconnect the keyboard to the back of the computer and restart the computer.
Program in use has | Shut down the computer using |
stopped responding | the mouse and then restart the |
to commands. | computer. |
|
|
Keyboard needs | Replace the keyboard. |
repairs. |
|
|
|
Computer is in | Press the power button to resume |
standby mode. | from standby mode. |
ÄCAUTION: When attempting to resume from standby mode, do not hold down the power button for more than four seconds. Otherwise, the computer will shut down and you will lose your data.
Cursor will not move using | The Num Lock key | Press the Num Lock key. The |
the arrow keys on the | may be on. | Num Lock light should not be on if |
keypad. |
| 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 computer.
1.Shut down the computer using the keyboard.
2.Plug the mouse connector into the back of the computer (or the keyboard) and restart the computer.
Program in use has | Shut down the computer using the |
stopped responding | keyboard and then restart the |
to commands. | computer. |
|
|
Mouse needs repairs. | Replace the mouse. |
|
|
Computer is in | Press the power button to resume |
standby mode. | from standby mode. |
ÄCAUTION: When attempting to resume from standby mode, do not hold down the power button for more than four seconds. Otherwise, the computer will shut down and you will lose your data.
Mouse will only move vertically or horizontally, or movement is jerky.
Mouse roller ball and/ or rotating encoder shafts are dirty.
Remove roller ball cover from the bottom of the mouse and clean both the roller ball and the rotating encoder shaft.
Service Reference Guide, dx2200 MT |