Solving General Problems
You may be able to easily resolve the general problems described in this section. If a problem persists and you are unable to resolve it yourself or if you feel uncomfortable about performing the operation, contact an authorized dealer or reseller.
WARNING! When the computer is plugged into an AC power source, voltage is always applied to the system board. To reduce the risk of personal injury from electrical shock and/or hot surfaces, be sure to disconnect the power cord from the wall outlet and allow the internal system components to cool before touching.
Table C-1 Solving General Problems
Computer appears locked up and will not turn off when the power button is pressed.
Cause | Solution |
Software control of the power switch is not functional.
1.Press and hold the power button for at least four seconds until the computer turns off.
2.Disconnect the power cord from the electrical outlet.
Computer will not respond to USB keyboard or mouse.
Cause | Solution |
|
|
Computer is in standby mode. | To resume from standby mode, press the power button or |
| press any key. |
| CAUTION: 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 any unsaved data. |
|
|
System has locked up. | Restart computer. |
|
|
Computer date and time display is incorrect. |
|
|
|
Cause | Solution |
|
|
RTC | First, reset the date and time under Control Panel |
NOTE: Connecting the computer to a live AC outlet | (Computer Setup can also be used to update the RTC date |
and time). If the problem persists, replace the RTC battery. | |
prolongs the life of the RTC battery. | See the Hardware Reference Guide for instructions on |
| installing a new battery, or contact an authorized dealer or |
| reseller for RTC battery replacement. |
|
|
Cursor will not move using the arrow keys on the keypad.
Cause | Solution |
The Num Lock key may 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.
