POST Error Messages
POST Numeric Codes and Text Messages
This section covers those POST errors that have numeric codes associated with them. The section also includes some text messages that may be encountered during POST.
✎Theon thecomputerscreen. will beep once after a POST text message is displayed
Numeric Codes and Text Messages| Code/Message | Probable Cause | Recommended Action |
BIOS ROM | The checksum of the |
checksum | BIOS code in the BIOS |
chip is incorrect, | |
| indicating that the BIOS |
| code may have become |
| corrupt. |
Contact your system dealer to replace the BIOS.
CMOS battery | The CMOS battery is no | Contact your system dealer for a |
failed | longer functional. | replacement battery. |
CMOS checksum | Checksum of CMOS is |
incorrect, so the system | |
loaded | 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 nnnn | Displays the running | None. |
| speed of the CPU. |
|
|
|
|
Press ESC to skip |
| The user may press Esc. to skip the full |
memory test |
| memory test. |
HARD DISK INSTALL | Cannot find or initialize |
FAILURE | the hard drive controller |
| or the drive. |
Make sure the controller is installed correctly. If no hard drives are installed, be sure the Hard Drive selection in Setup is set to NONE.
Troubleshooting Guide |