Getting Started

Getting Started
Getting Started www.hp.com 29
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.
✎
Beeps may
not occur
on all
models for
this activity.
9 System powers on
but is unable to
boot.
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.
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.
10 Bad option card. 1. Check each graphics
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.
Diagnostic Front Panel LEDs and Audible Codes
Activity Beeps
Possible
Cause
Recommended
Action