Power-On Self-Test (POST)
Power-On Self-Test (POST)
Each time you power-on the system, it performs a series of
tests that check the operation of the system and some options.
This series of tests is called the power-on
self-test , or POST . POST does the
following:
- Checks some basic system-board operations
- Checks the memory operation
- Starts the video operation
- Verifies that the diskette drives are working
- Verifies that the hard disk drive is working
If the POST finishes without detecting any problems,
a single beep sounds and the first screen of the operating system or
application program appears.
If the POST detects a problem, an error message appears on
the screen. A single problem can cause several error messages to
appear. When you correct the cause of the first error message,
the other error messages probably will not appear on the screen the next time
you power-on the system.
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for any BUG on this page found - Thank you.