HP Compaq Professional 5000 series Průvodce řešením problémů Strana 18

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Quick Troubleshooting Guide
2-9
8. Error Messages, Part 1
Power LED has no color showin
g
.
Computer is off.
Power LED blinks
g
reen 1x/second.
Normal suspend mode.
Power LED
g
lows red.
CPU not installed/fetchin
g
code.
Power LED blinks red 4x/second.
CPU thermal shutdown.
Power LED blinks red 1x/two or more seconds.
Power supply crow bar.
Beeps,
CPU or Keyboard Li
g
hts,
or POST error messa
g
es.
Power and hard drive LEDs
g
low red.
Riser board not seated.
Caution:
Power is continuous to the system board and power
supply even when the power switch is turned off. To prevent
dama
g
e to the unit, disconnect the power cord from the power
source or the unit before be
g
innin
g
disassembly procedures.
Num Lock LED flashin
g
g
reen.
Memory error.
Caps Lock LED flashin
g
g
reen.
No video.
Scroll Lock LED flashin
g
g
reen.
System board failure, prior to video.
Power LED
g
lows
g
reen.
Computer is on.
Audible. 1L 3S.
System ROM is bad; system is runnin
g
in FailSafe Boot Block
Mode.
Audible. 2S.
Power-ON successful.
Continued on Pa
g
e 2-10,
Error Messa
g
es, Part 2.
Notes:
Short (S) and lon
g
(L) beeps will only be
heard if the system has a speaker.
LEDs will only function on PS/2 keyboards, not USB.
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