HP Compaq Pro 6305 Maintenance And Service Manual page 192

Table 9-2 Diagnostic Front Panel LEDs and Audible Codes (continued)
Activity
Red Power LED flashes six
times, once every second,
followed by a two second
pause. Beeps stop after fifth
iteration but LEDs continue
until problem is solved.
Red Power LED flashes
seven times, once every
second, followed by a two
second pause. Beeps stop
after fifth iteration but LEDs
continue until problem is
solved.
Red Power LED flashes eight
times, once every second,
followed by a two second
pause. Beeps stop after fifth
iteration but LEDs continue
until problem is solved.
Red Power LED flashes nine
times, once every second,
followed by a two second
pause. Beeps stop after fifth
iteration but LEDs continue
until problem is solved.
Red Power LED flashes ten
times, once every second,
followed by a two second
pause. Beeps stop after fifth
iteration but LEDs continue
until problem is solved.
184 Chapter 9 POST Error Messages
Beeps Possible Cause
6 Pre-video graphics error.
7 System board failure
(ROM detected failure
prior to video).
8 Invalid ROM based on
bad checksum.
9 System powers on but is
unable to boot.
10 Bad option card.
Recommended Action
For systems with a graphics card:
1. Reseat the graphics card.
2. Replace the graphics card.
3. Replace the system board.
For systems with integrated graphics, replace
the system board.
Replace the system board.
1. Reflash the system ROM with the latest
BIOS image.
2. Replace the system board.
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. Unplug the AC power cord from the
computer, wait 30 seconds, then plug the
power cord back in to the computer.
3. Replace the system board.
4. Replace the processor.
1. Check each option 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.