HP Pro 4300 B5P90UT#ABA, D8C84UT#ABA manual Run Windows XP, Start Accessories Run, Cause Solution

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), Start > Accessories > Run
		(Windows Vista), or click on the Windows 7 start icon in
		the bottom left corner of the screen (Windows 7) 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.

Computer powered off automatically and the Power LED flashes Red two times, once every second, followed by a two second pause, and the computer beeps two times. (Beeps stop after fifth iteration but LEDs continue flashing).

Cause	Solution
Processor thermal protection activated:	1.	Ensure that the computer air vents are not blocked and
A fan may be blocked or not turning.		the processor cooling fan is running.
	2.	Open hood, press power button, and see if the
OR
		processor fan spins. If the processor fan is not spinning,
The heat sink is not properly attached to the processor.		make sure the fan's cable is plugged onto the system
		board header.
	3.	If fan is plugged in, but is not spinning, then replace the
		heat sink/fan assembly.
	4.	Contact an authorized reseller or service provider.

Solving General Problems 101