Boot Error Codes - HP dx7300 Technical Reference Manual

Compaq dx7300/dc7700 series business desktop computers
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8.3.4 Boot Error Codes

The BIOS provides visual and audible indications of a failed system boot by using the system's
power LED and the system board speaker. The error conditions are listed in the following table.
Visual (power LED)
Blinks red 2 times @ 1 Hz
Blinks red 3 times @ 1 Hz
nks red 4 times @ 1 Hz
Bli
Blinks red 5 times @ 1 Hz
Blinks red 6 times @ 1 Hz
Blinks red 7 times @ 1 Hz
Blinks red 8 times @ 1 Hz
Blinks red 9 times @ 1 Hz
Blinks red 10 times @ 1 Hz
Technical Reference Guide
Table 8-1
Boot Error Codes
Audible (speaker) Meaning
None
Processor thermal shut down. Check air flow,
fan operation, and CPU heat sink.
None
Processor not installed. Install or reseat CPU.
None
Power failure (power supply is overloaded).
Check stroage devices, expansion cards
and/or system board (CPU power connector
P3).
5 beeps
Pre-video memory error. Incompatible or
incorrectly seated DIMM.
6 beeps
Pre-video graphics error. On system with
integrated graphics, check/replace system
board. On system with graphics card,
check/replace graphics card.
7 beeps
PCA failure. Check/replace system board.
8 beeps
Invalid ROM (checksum error). Reflash ROM
using CD or replace system board.
9 beeps
System powers on but fails to boot. Check
power supply, CPU, system board.
None
Bad option card.
www.hp.com
BIOS ROM
8-5

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