Compaq Evo D300 Troubleshooting Manual page 61

Numeric Codes and Text Messages
Code/Message
1721-SMART
SCSI Hard Drive
Detects Imminent
Failure
1782-Disk
Controller Failure
1800-Tempera-
ture Alert
Troubleshooting Guide
Beeps Probable Cause
None Hard drive is about to
fail. (Some hard drives
have a firmware patch
that will fix an
erroneous error
message).
None Hard drive circuitry
error.
None Internal temperature
exceeds specification.
Post Error Messages
Recommended Action
1. Determine if hard drive
is giving correct error
message.
2. Apply firmware patch if
applicable.
3. Back up contents and
replace hard drive.
1. Run Computer Setup.
2. Clear CMOS.
3. Check cable seating/jumper
settings.
4. Run hard drive diagnostics.
5. Disconnect additional
drives.
6. Run the Drive Protection
System test if available.
7. Check www.compaq.com/
support/techpubs/
customer_advisories/
for possible changes when
using Windows NT 4.0
Service Pack 4.
8. Replace the hard drive.
9. Replace the system board.
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.
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