1792-Secondary Disk
Controller Failure
1793-Secondary
Controller or Disk
Failure
1800-Temperature
Alert
Invalid Electronic
Serial Number
Audible
L=Long, S=Short
E-4
POST Error Messages
None
Hard drive circuitry
error.
None
Hard drive circuitry
error.
None
Internal temperature
exceeds specification.
None
Electronic serial number
has become corrupted.
2S
Power-on successful.
Run the Configuration and Diagnostics
utilities.
Run the Configuration and Diagnostics
utilities.
Check that computer air vents are not
blocked and cooling fan is running.
Run Computer Setup.
None.