HP Dc7100 Getting Started - Business Desktops - Enhanced for Accessibility - Page 21

Getting Started Solving General Problems (Continued) Problem Cause Solution 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. The beeps continue for five iterations, then stop. The LED flashes continue until the problem is resolved. ✎ Beeps may not occur on all models for this activity. Processor thermal protection activated: A fan may be blocked or not turning. OR The heatsink is not properly attached to the processor. 1. Ensure that the computer air vents are not blocked and the processor cooling fan is running. Leave a 4-inch (10.2-cm) clearance at the back of unit and above the monitor to permit required airflow. 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. Getting Started www.hp.com 17