HP DC5100 HP Compaq Business Desktop dc5100 Service Reference Guide, 2nd Editi - Page 183
Red Power LED, Invalid ROM
UPC - 072000919491
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Activity Red Power LED flashes six times, once every second, followed by a two second pause. Beeps stop after the fifth iteration but the LED continues to flash until the issue has been resolved. Red Power LED flashes seven times, once every second, followed by a two second pause. Beeps stop after the fifth iteration but the LED continues to flash until the issue has been resolved. Red Power LED flashes eight times, once every second, followed by a two second pause. Beeps stop after the fifth iteration but the LED continues to flash until the issue has been resolved. Beeps 6 7 8 Possible Cause Pre-video graphics error. System board failure (ROM detected failure prior to video). Invalid ROM based on bad checksum. Recommended Action For systems with a graphics card: Reseat the graphics card. Power on the system. Replace the graphics card. Replace the system board. For systems with integrated graphics, replace the system board. Replace the system board. Reflash the ROM using a ROMPaq diskette. See the "ROM Flash" section of the Desktop Management Guide on the Documentation CD. Replace the system board. Service Reference Guide, dc5100 376220-001 C-9