HP Dc7100 Getting Started - Business Desktops - Enhanced for Accessibility - Page 33

Getting Started Diagnostic Front Panel LEDs and Audible Codes Activity Possible Beeps Cause Recommended Action Red Power LED 9 flashes nine times, once every second, followed by a two second pause. 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. System powers on but is unable to boot. 1. Check that the voltage selector, located on the rear of the power supply (some models), is set to the appropriate voltage. Proper voltage setting depends on your region. 2. Replace the system board. 3. Replace the processor. Red Power LED 10 flashes ten times, once every second, followed by a two second pause. The beeps continue for five iterations, then stop. The LED flashes continue until the problem is resolved. Bad option card. 1. Check each graphics card by removing the card (one at a time if multiple cards), then power on the system to see if fault goes away. 2. Once a bad card is identified, remove and replace the bad option card. 3. Replace the system board. Getting Started www.hp.com 29