Getting Started - Business Desktops - Enhanced for Accessibility
None 
f
i
fl
i
vol
vol i
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at a time until the 5 
Getting Started 
Diagnostic Front Panel LEDs and Audible Codes 
Possible  Recommended 
Activity  Beeps  Cause  Action 
System does not 
power on and 
LEDs are not 
System unable to 
power on. 
Press and hold the power 
button or less than 4 
seconds. If the hard dr ve 
ashing. 
LED turns green, then: 
1. Check that the 
voltage selector, 
located on the rear of 
the power supply, is 
set to the appropr ate 
tage. Proper 
tage sett ng 
depends on your 
reg on. 
2. Remove the 
expans on cards one 
V_aux light on the 
system board turns 
on. 
3. Replace the system 
board. 
www.hp.com  Getting Started 30 










