Diagnostic Indicator Lights - Compaq 133756-004 - Deskpro EN - 6550 Model 6400 Service & Reference Manual
Deskpro personal computers service reference guide
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Also See for 133756-004 - Deskpro EN - 6550 Model 6400:
- Maintenance & service manual (85 pages) ,
- Configuration manual (152 pages) ,
- Maintenance and service manual (103 pages)
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E
appendix
D
IAGNOSTIC
LED
Power
Power
Power
Power
Power
Power
Power
Power
Power and Hard Drive
Num Lock
Caps Lock
Scroll Lock
I
L
NDICATOR
Color
Green
Green
Green
None
Red
Red
Red
Red
Red
Green
Green
Green
IGHTS
LED Activity
State/Message
On
Computer on
1 blink/second
Normal suspend mode
1 blink/second
Suspend to RAM
Computer off
4 blinks/second
CPU thermal shutdown
On
CPU not installed/fetching code
1 blink/second
ROM error
1 blink/2 or more
Power supply overloaded
seconds
On
Riser board not seated
Flashing
Memory error
Flashing
No video
Flashing
System board failure, prior to video
Deskpro Service Reference Guide
E-1
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