HP Rp5000 Getting Started (3rd Edition) - Page 18

Getting Started Solving General Problems (Continued) Problem Computer powered off automatically and the Power LED flashes Red two times, once every second, followed by a two-second pause. Cause Processor thermal protection activated: A fan may be blocked or not turning. OR The heatsink is not properly attached to the processor. Solution 1. Ensure that the computer air vents are not blocked and the processor cooling fan is running. 2. Open hood, press power button, and see if the processor fan spins. If the processor fan is 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. If fan is plugged in and seated properly, but is not spinning, then replace the processor fan. 4. Reseat processor heatsink and verify that the fan assembly is properly attached. 5. Contact an authorized reseller or service provider. 14 www.hp.com Getting Started