HP Deskpro /L Desktop PC 4/33L Deskpro Personal Computers Service Reference Gu - Page 59

-1801, Beeps & Lights, Run Computer Setup F10 Setup.

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POST Error Messages Continued Screen Message 1800-Temperature Alert Beeps* None Probable Cause Internal temperature exceeds specification. Recommended Action 1. Check that computer air vents are not blocked and cooling fan is running. 2. Verify processor speed selection. 3. Replace the processor. 4. Replace the system board. 1801 None Processor not supported by Upgrade Bios to proper version. ROM Bios. Audible 1L, 3S System ROM is bad; system is running in Failsafe Boot Block mode. Reflash the ROM using a ROMPaq diskette. Refer to the "Failsafe Boot Block ROM" section of the Software Reference Guide. Audible 2S Power-on successful. None Flashing Caps Lock LED on Keyboard 1L. 2S Graphics controller not present or incorrectly initialized. 1. Clear CMOS. 2. If graphics card has been added, remove and reseat. Flashing Num Lock LED on 1S, 2L Keyboard System memory not present Num Lock LED on Keyboard Flashing Scroll Lock LED on Keyboard None 2L, 1S Failed Boot Block. System board hardware failure (prior to video) 1. Check memory module. 2. Remove and reseat memory module. 3. See "Memory Problems" in Appendix F. Reflash the ROM using a ROMPaq diskette. Replace system board. Green Power LED Blinks Once per Second None Computer in normal Suspend None mode. Green Power LED ON None Computer on. None Invalid Electronic Serial Number * L = Long, S = Short None Electronic serial number has become corrupted. Run Computer Setup (F10 Setup). If Setup already has data in the field or will not allow the serial number to be entered, download and run SP5572.EXE (SNZERO.EXE). continued Deskpro Service Reference Guide D-9

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Deskpro Service Reference Guide
D-9
POST Error Messages
Continued
Screen Message
Beeps*
Probable Cause
Recommended Action
1800-Temperature Alert
None
Internal temperature
exceeds specification.
1.
Check that computer air vents
are not blocked and cooling fan
is running.
2.
Verify processor speed
selection.
3.
Replace the processor.
4.
Replace the system board.
1801
None
Processor not supported by
ROM Bios.
Upgrade Bios to proper version.
Audible
1L, 3S
System ROM is bad;
system is running in
Failsafe Boot Block mode.
Reflash the ROM using a ROMPaq
diskette. Refer to the “Failsafe Boot
Block ROM” section of the
Software
Reference Guide
.
Audible
2S
Power-on successful.
None
Flashing Caps Lock LED
on Keyboard
1L. 2S
Graphics controller not
present or incorrectly
initialized.
1.
Clear CMOS.
2.
If graphics card has been
added, remove and reseat.
Flashing Num Lock LED on
Keyboard
1S, 2L
System memory not
present
1.
Check memory module.
2.
Remove and reseat memory
module.
3.
See “Memory Problems” in
Appendix F.
Num Lock LED on
Keyboard
None
Failed Boot Block.
Reflash the ROM using a ROMPaq
diskette.
Flashing Scroll Lock LED
on Keyboard
2L, 1S
System board hardware
failure (prior to video)
Replace system board.
Green Power LED Blinks
Once per Second
None
Computer in normal Suspend
mode.
None
Green Power LED ON
None
Computer on.
None
Invalid Electronic Serial
Number
None
Electronic serial number has
become corrupted.
Run Computer Setup (F10 Setup).
If Setup already has data in the field
or will not allow the serial number to
be entered, download and run
SP5572.EXE (SNZERO.EXE).
* L = Long, S = Short
continued