Post Error Messages

Numeric Codes and Text Messages

Code/Message

Beeps

Probable Cause

Recommended Action

1721-SMART

None

Hard drive is about to

SCSI Hard Drive

 

fail. (Some hard drives

Detects Imminent

 

have a firmware patch

Failure

 

that will fix an

 

 

erroneous error

 

 

message).

1.Determine if hard drive is giving correct error message.

2.Apply firmware patch if applicable.

3.Back up contents and replace hard drive.

1782-Disk

None

Hard drive circuitry

1. Run Computer Setup.

Controller Failure

 

error.

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.

 

 

 

 

1800-Tempera-

None

Internal temperature

1. Check that computer air

ture Alert

 

exceeds specification.

 

vents are not blocked and

 

 

 

 

cooling fan is running.

 

 

 

2.

Verify processor speed

 

 

 

 

selection.

 

 

 

3.

Replace the processor.

 

 

 

4.

Replace the system board.

 

 

 

 

 

Troubleshooting Guide

A–11

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Compaq 177620-006, Compaq Evo Desktop manual Numeric Codes and Text Messages