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

Solving Power Problems

Common causes and solutions for power problems are listed in the following table.

Table D-2Solving Power Problems

Power supply shuts down intermittently.

Cause	Solution
Voltage selector switch on rear of computer chassis (some	Select the proper AC voltage using the selector switch.
models) not switched to correct line voltage (115V or 230V).
Power supply will not turn on because of internal power	Contact an authorized service provider to replace the power
supply fault.	supply.

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.
OR	2.	Open hood, press power button, and see if the processor
		fan spins. If the processor fan is not spinning, make sure
The heat sink is not properly attached to the processor.		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.

270 Appendix D Troubleshooting Without Diagnostics