Basic Troubleshooting
Interpreting the Diagnostic Lights
Compaq computers feature diagnostic lights or LEDs (light emitting
diodes) to indicate various computer states or errors. The following
tables describe the diagnostic light indications. Refer to the
Troubleshooting Guide on the Compaq Reference Library CD for
more information.
Computer LEDs
LED
Color
LED Activity
State/Message
Power Green
On
(S0)
Computer
on
Power
Green
1 flash every 1 second
(S1) Normal suspend mode
Power
Green
1 flash every 2 seconds
(S3) Suspend to RAM
(ifapplicable)
Power
Green
1 flash every 4 seconds
(S4) Suspend to disk
(ifapplicable)
Power Clear
Off
(S5)
Computer
off
Power Red
or
Yellow*
4 flashes
every 1 second,
or 2 flashes 1 second
apart followed by a 2
second pause
CPU thermal shutdown
Power Red
or
Yellow
On
CPU not installed or
incorrect processor
installed
Power Red
or
Yellow
1 flash every second
ROM error
Power Red
or
Yellow
1 flash
every 2 seconds
Power supply overload
Network Controller
Green
On
Network link (Evo Workstation
W8000 only)
Network Controller
Green
Flashing
Network activity (Evo
Workstation W8000 only)
Hard Drive
Green
Flashing
Hard drive activity
*Power LED may not flash on some models.
Getting Started
2-3
Содержание Deskpro Series
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