Compaq Evo D300 Troubleshooting Manual page 67

Diagnostic Keyboard LEDS, Front Panel LEDs and Audible Codes
Activity
Yellow or Green
Power LED
flashes every
second (on select
models.)
Red or Yellow
Power LED On
Red or Yellow
Power LED is:
1. Flashing four
times per
second, Or
2. Flashing two
times one
second apart,
followed by a
two second
pause, Or
3. Not flashing.
Troubleshooting Guide
Beeps Probable Cause
None System memory error.
None Processor unseated.
None Computer overheated.
Post Error Messages
Recommended Action
1. Check memory module
(see the relevant section
of the Hardware
Reference Guide ).
2. Remove and reseat
memory module.
3. See the "Solving Memory
Problems" section of this
guide.
Reseat processor in system
board.
1. Install computer cover
or access panel if
necessary.
2. Ensure that computer air
vents are not blocked and
internal fan is running.
A–17