HP Vectra VL800 Troubleshooting Manual page 14

Pre-Boot Test Errors
Beep Code
1 beep
2 beeps
3 beeps
4 beeps
5 beeps
6 beeps
7 beeps
1 Your PC Does Not Start Correctly
Case 3 — Boot Process Fails and Monitor is Blank
The following table shows the type of error messages that can occur
during the pre-boot checks.
Cause...
Processor absent, not correctly connected or ZIP
socket not closed
Power supply is in protected mode
No memory, bad memory modules, incompatible
memory module
Graphics card problem
PnP/PCI initialization problem
Corrupted BIOS
Defective system board
If You Miss the Beep Code
If you miss the beep code, turn off the PC by pressing the on/off power
button for five seconds or more, then listen for the signal again.
14
Check that...
•
Processor is correctly connected and ZIP socket is
closed.
•
Power cables inside the PC are correctly connected.
•
Memory modules are correctly seated in sockets.
•
If unused, memory sockets A2 and B2 must contain
RDRAM continuity modules.
•
Video card installed.
•
Video card seated correctly in the AGP connector.
•
PCI cards are correctly inserted in their slots.
•
You can try removing a PCI card to see if it is causing
the problem.
You need to activate crisis recovery procedure (refer to
page 33).