C
POST Error Messages
An error message results if the
Not all computers use all of the codes listed.
Recommended Actions are to be taken in incremental steps. Perform one step at a time and continue only if the action does not cure the problem.
POST Error Messages
Screen Message | Probable Cause | Recommended Action |
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|
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BIOS ROM checksum | The checksum of the BIOS | Replace the BIOS |
error - System halted | code in the BIOS chip is |
|
| incorrect, indicating the |
|
| BIOS code may have |
|
| become corrupt. |
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|
CMOS battery failed | The CMOS battery is no | Replacement battery. |
| longer functional. |
|
CMOS checksum error - | Checksum of CMOS is |
Defaults loaded | incorrect, so the system |
| loads the default |
| equipment configuration. |
| A checksum error may |
| indicate that CMOS has |
| become corrupt. A weak |
| battery may have caused |
| this error. |
Check the battery and replace if necessary.
CPU at xxxx | Displays the running | Not an error, no action request |
| speed of the CPU. |
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|
|
Press ESC to skip | A remind message, not | The user may press Esc to skip the full |
memory test | an error. | memory test. |
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HARD DISK INSTALL | Cannot find or initialize | Make sure the controller is installed |
FAILURE | the hard drive controller | correctly. If no hard drives are installed, |
| or the drive. | be sure the Hard Drive selection in Setup |
|
| is set to NONE. |
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Service Reference Guide |