HP 3080 manual Run Windows XP or Start Accessories Run, System does not power on

Table C-1Solving General Problems (continued)

Poor performance is experienced.

Cause	Solution
Too many applications running.	1.	Close unnecessary applications to free up memory.
	2.	Add more memory. Some applications run in the
		background and can be closed by right-clicking on their
		corresponding icons in the task tray. To prevent these
		applications from launching at startup, go to Start >
		Run (Windows XP) or Start > Accessories > Run
		(Windows Vista) and type msconfig. On the Startup
		tab of the System Configuration Utility, clear
		applications that you do not want to launch
		automatically.
Some software applications, especially games, are stressful	1.	Lower the display resolution for the current application
on the graphics subsystem		or consult the documentation that came with the
		application for suggestions on how to improve
		performance by adjusting parameters in the application.
	2.	Add more memory.
	3.	Upgrade the graphics solution.
Cause unknown.	Restart the computer.
System does not power on.
Cause	Solution

System unable to power on.

Press and hold the power button for less than 4 seconds. If the hard drive LED turns green, then:

1.Check that the voltage selector, located on the rear of the power supply on some models, is set to the appropriate voltage. Proper voltage setting depends on your region.

2.Remove the expansion cards one at a time and see if the system powers on.

3.Replace the system board.

OR

Press and hold the power button for less than 4 seconds. If the hard drive LED does not turn on green then:

1.Check that the unit is plugged into a working AC outlet.

2.Open hood and check that the power button harness is properly connected to the system board.

3.Check that both power supply cables are properly connected to the system board.

4.Replace the power button harness.

5.Replace the power supply.

6.Replace the system board.

146 Appendix C Troubleshooting Without Diagnostics