HP xw3100 Getting Started Manual page 15

Solving General Problems (Continued)
Problem
Computer powered off
automatically and the
Power LED flashes Red
two times, once every
second, followed by a
two second pause.
Cause
Processor thermal
protection activated:
A fan may be blocked or
not turning.
OR
The heatsink is not
properly attached to the
processor.
www.hp.com
Solution
1. Ensure that the computer air vents
are not blocked and the cooling
fan is running.
2. Open hood, press power button,
and see if the processor fan
spins. If the processor fan is not
spinning, make sure the fan's
cable is plugged onto the system
board header. Ensure the fan is
fully/properly seated or installed.
3. If fan is plugged in and seated
properly, but is not spinning, then
replace the processor fan.
4. Reseat processor heatsink and
verify that fan assembly is
properly attached.
5. Contact an authorized reseller or
service provider.
Getting Started
11