Getting Started - Business Desktops - Enhanced for Accessibility
Getting Started 
Solving Hardware Installation Problems (Continued) 
Problem  Cause  Solution 
A new device is not 
A plug and play 
Use Windows XP Device 
recognized as part 
board may not 
Manager to deselect the 
of the system. 
automatically 
automatic settings for the board 
(continued) 
configure when 
and choose a basic 
added if the default 
configuration that does not 
configuration 
cause a resource conflict. You 
conflicts with other 
can also use Computer Setup to 
devices. 
reconfigure or disable devices 
to resolve the resource conflict. 
Computer will not  Wrong memory 
1. Review the documentation 
start.  modules were used 
that came with the system 
in the upgrade or 
to determine if you are 
memory modules 
using the correct memory 
were installed in the 
modules and to verify the 
wrong location. 
proper installation. 
2. Observe the beeps and 
LED lights on the front of 
the computer. See 
“Interpreting Diagnostic 
Lights and Audible Codes” 
on page 23 to determine 
possible causes. 
3. If you still cannot resolve 
the issue, contact Customer 
Support. 
Power LED flashes 
Memory is installed  1. Reseat DIMMs. Power on 
Red five times, once 
incorrectly or is bad.  the system. 
every second, 
followed by a two 
second pause, and 
2. Replace DIMMs one at a 
time to isolate the faulty 
module. 
the computer beeps 
five times. The beeps 
continue for five 
3.  Replace third-party memory 
with HP memory. 
iterations, then stop. 
4. Replace the system board. 
The LED flashes 
continue until the 
problem is resolved. 
Getting Started  www.hp.com  21 










