HP Compaq dc7600 USDT Getting Started Manual page 44

Getting Started
Diagnostic Front Panel LEDs and Audible Codes
Activity
Red Power LED
flashes nine
times, once every
second, followed
by a two-second
pause. The beeps
continue for five
iterations, then
stop. The LED
flashes continue
until the problem
is resolved.
Red Power LED
flashes ten times,
once every
second, followed
by a two-second
pause. The beeps
continue for five
iterations, then
stop. The LED
flashes continue
until the problem
is resolved.
40
Possible
Beeps Cause
9 System powers on
but is unable to
boot.
10 Bad option card.
www.hp.com
Recommended
Action
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. Replace the system
board.
3. 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.
Getting Started