Interpreting Diagnostic Lights And Audible Codes - HP dx2708 Troubleshooting Manual

Problem
Computer will not start.

Interpreting Diagnostic Lights and Audible Codes

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Troubleshooting Guide
Cause
Wrong memory modules
were used in the
upgrade or memory
modules were installed
in the wrong location.
This section covers the front panel LED codes as well as the audible
codes that may occur before or during POST that do not necessarily
have an error code or text message associated with them.
If you see flashing LEDs on a PS/2 keyboard, look for flashing LEDs
on the front panel of the computer and refer to the following table to
determine the front panel LED codes.
Recommended actions in the following table are listed in the order in
which they should be performed.
Replace the system board or power supply only as the last resort.
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Solution
1. Review the documentation that
came with the system to
determine if you are using the
correct memory modules and to
verify the proper installation.
2. Observe the beeps and LED
lights on the front of the
computer. See "Interpreting
Diagnostic Lights and Audible
Codes" to determine possible
causes.
3. If you still cannot resolve the
issue, contact Customer Support.
Troubleshooting
2–10