HP Dc7100 HP Compaq Business Desktop dc7100 Series Service Reference Guide, 3r - Page 245
Problem, Cause, Possible Solution, Power LED flashes Red
UPC - 829160356877
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Solving Minor Problems (Continued) Problem Poor performance is experienced. (continued) Cause Program previously accessed did not release reserved memory back to the system Virus resident of the hard drive. Too many applications running. 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. Close unnecessary applications. Add more memory. 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 fan. 4. Reseat processor heatsink and verify that the fan assembly is properly attached. Service Reference Guide, dc7100 361288-003 D-3