Compaq Deskpro 2000 Series User Manual
Page 171

Reference Guide
C-5
Writer: Holly Jahangiri Saved by: Alyce Klingler-Castle Saved date: 06/10/97 3:54 PM
Pages: 6 Words: 992 Template: d:\95office\templates\commapp.dot
File Name Appc Part Number 278019-002
Power-On Self-Test Messages
Continued
Message
Beeps*
Probable Cause
Recommended Action
1800-Temperature
Alert
None
Internal temperature exceeds
specification.
Check that computer air vents are not
blocked and cooling fan is running.
Invalid Electronic
Serial Number
None
Electronic serial number has
become corrupted.
Run Computer Setup.
Audible
2S
Power-on successful.
None.
Failsafe Boot Block
ROM
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 Chapter 3, "Using
Compaq Software," for more
information.
* L = Long, S = Short