Compaq Service Reference Guide
E-1
appendix
E
D
IAGNOSTIC
I
NDICATOR
L
IGHTS
✎
All indicator lights are not available on all products.
LED
Color
LED Activity
State/Message
Power
Green
On
Computer on
Power
Green
1 blink/second
Normal suspend mode
Power
Green
1 blink/second
Suspend to RAM
Power
None
Computer off
Power
Red
4 blinks/second
CPU thermal shutdown
Power
Red
On
CPU not installed/fetching code
Power
Red
1 blink/second
ROM error
Power
Red
1 blink/2 or more
seconds
Power supply overloaded
Power and Hard Drive
Red
On
Riser board not seated
Num Lock
Green
Flashing
Memory error
Caps Lock
Green
Flashing
No video
Scroll Lock
Green
Flashing
System board failure, prior to video
Summary of Contents for Deskpro 2000
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