HP 6200 Pro A2W44UT#ABA Solving General Problems, Appendix D Troubleshooting Without Diagnostics

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 D-1Solving 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 (real-time clock) battery may need to be replaced.	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. See
prolongs the life of the RTC battery.	the Removal and Replacement section for instructions on
	installing a new battery, or contact an authorized dealer or
	reseller for RTC battery replacement.

266 Appendix D Troubleshooting Without Diagnostics