Getting Started - Business Desktops - Enhanced for Accessibility
4 
f
l ). 
i
ice is 
i
fl
ing ALL 
i
✎ 
Beeps may 
not occur 
dri
i ). 
on all 
models for 
this activity. 
ice 
ice 
i
i ll 
i
i i
Getting Started 
Diagnostic Front Panel LEDs and Audible Codes 
Possible  Recommended 
Activity  Beeps  Cause  Action 
Red Power LED 
Power failure  1. Open the hood and 
flashes our 
(power supply is  ensure the 4-wire 
times, once every 
over oaded power supply cable 
second, followed 
is seated into the 
by a two second 
connector on the 
pause. The beeps 
system board. 
continue for f ve 
2. Check if a dev
iterat ons, then 
stop. The LED 
ashes continue 
causing the problem 
by remov
attached dev ces 
until the problem 
is resolved. 
(such as hard, 
diskette, or optical 
ves, and 
expans on cards
Power on the system. 
If the system enters 
the POST, then 
power off and 
replace one dev
at a time and repeat 
this procedure until 
failure occurs. 
Replace the dev
that is causing the 
failure. Continue 
adding dev ces one 
at a t me to ensure a
dev ces are 
funct on ng properly. 
3. Replace the power 
supply. 
4. Replace the system 
board. 
www.hp.com  Getting Started 26 










