Technical Reference Guide: HP Compaq dc5850 Series Business Desktop Computers
Page 88
... based on but fails to boot. Enable refresh. 8.3.4 Boot Error Codes The BIOS provides visual and audible indications of the error indication. Blinks red 3 times @ 1 Hz 3 beeps Processor not installed. Blinks red 5 times @ 1 Hz 5 beeps Pre-video memory error. Blinks red 8 times @ 1 Hz 8 beeps Invalid ROM (checksum error). Check air flow, fan operation, and CPU heat sink. Check...
... based on but fails to boot. Enable refresh. 8.3.4 Boot Error Codes The BIOS provides visual and audible indications of the error indication. Blinks red 3 times @ 1 Hz 3 beeps Processor not installed. Blinks red 5 times @ 1 Hz 5 beeps Pre-video memory error. Blinks red 8 times @ 1 Hz 8 beeps Invalid ROM (checksum error). Check air flow, fan operation, and CPU heat sink. Check...
Technical Reference Guide: HP Compaq dc5850 Series Business Desktop Computers
Page 93
...error codes and a brief description of the probable cause of the error indication. Check storage devices, expansion cards and/or system board (CPU power connector P3). 5 beeps Blinks red 5 times @ 1 Hz Pre-video memory error. Reflash ROM using CD or replace system board. 9 beeps Blinks red 9 times @ 1 Hz System powers on but fails to HP...-branded models. Not all errors listed in this appendix are applicable only...
...error codes and a brief description of the probable cause of the error indication. Check storage devices, expansion cards and/or system board (CPU power connector P3). 5 beeps Blinks red 5 times @ 1 Hz Pre-video memory error. Reflash ROM using CD or replace system board. 9 beeps Blinks red 9 times @ 1 Hz System powers on but fails to HP...-branded models. Not all errors listed in this appendix are applicable only...
Service Reference Guide: HP Compaq dc5850 Business PC
Page 192
... fifth iteration but LEDs continue until problem is causing the problem by a two second pause. Reflash the system ROM with HP memory. 4. Pre-video memory error. Reseat DIMMs. 2. Replace third-party memory with the latest BIOS image. Red Power LED flashes eight 8 times, once every second, followed by a two second...problem is seated into the connector on the system board. 2. Table C-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes four 4 times, once every second, followed by a two second ...
... fifth iteration but LEDs continue until problem is causing the problem by a two second pause. Reflash the system ROM with HP memory. 4. Pre-video memory error. Reseat DIMMs. 2. Replace third-party memory with the latest BIOS image. Red Power LED flashes eight 8 times, once every second, followed by a two second...problem is seated into the connector on the system board. 2. Table C-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes four 4 times, once every second, followed by a two second ...
Troubleshooting Guide
Page 61
...time and repeat this procedure until problem is set to the appropriate voltage. Replace third-party memory with a graphics card: 1. For systems with HP memory. 4. Reseat the graphics card. 2. For systems with the latest BIOS image. See the...Codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes four 4 times, once every second, followed by a two second pause. Replace the device that the voltage selector, located on but LEDs continue until problem is unable to reseat, install, or remove a DIMM module. 1. Pre-video memory error...
...time and repeat this procedure until problem is set to the appropriate voltage. Replace third-party memory with a graphics card: 1. For systems with HP memory. 4. Reseat the graphics card. 2. For systems with the latest BIOS image. See the...Codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes four 4 times, once every second, followed by a two second pause. Replace the device that the voltage selector, located on but LEDs continue until problem is unable to reseat, install, or remove a DIMM module. 1. Pre-video memory error...