HP dx7200 HP Compaq Business PC dx7200 MT Service Reference Guide, 1st edition - Page 179
Problem, Cause, Possible Solution, Power LED flashes Red
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Troubleshooting Without Diagnostics Solving Minor Problems (Continued) Problem Cause Poor performance is experienced. (continued) Program previously accessed did not release reserved memory back to the system Virus resident of the hard drive. Too many applications running. Some software applications, especially games, are stressful on the graphics subsystem. 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 continue for five iterations after which the LED flashes will continue until the problem is resolved. Cause unknown. Processor thermal protection activated: A fan may be blocked or not turning. OR The heatsink is not properly attached to the processor. Possible Solution Restart the computer. Run virus protection program. 1. Close unnecessary applications. 2. Add more memory. 1. Lower the display resolution for the current application 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. Restart the computer. 1. Ensure computer air vents are not blocked and the cooling fan is running. 2. Open hood, press power button, and see if the processor fan spins. If not spinning, make sure the fan's cable is plugged onto the system board header. Ensure the fan is fully/properly seated or installed. 3. Replace the processor heatsink-fan assembly. 4. Reseat processor heatsink-fan assembly and verify that the fan is properly connected to the system board. Service Reference Guide, dx7200 390812-001 D-3