POST error messages
The Power-On Self Text (POST) is a series of diagnostic tests that runs automatically when the system
is powered on.
Audible and visual messages occur before the operating system boots if the POST encounters a
problem. POST checks the following items to ensure that the workstation system is functioning properly:
●
Keyboard
●
DIMMs
●
Diskette drives
●
All mass storage devices
●
CPUs
●
Controllers
●
Fans
●
Temperature sensors
●
Cables (front/rear panels, audio, and USB ports)
See the Maintenance and Service Guide of the workstation for a list of POST error messages.
ENWW Diagnostic codes and errors 89
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