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Maintenance &
Service Guide
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NOTE: |
An external speaker must be installed into the speaker output connector in order to hear beeps during POST. |
After the computer is turned on, POST checks the following assemblies to ensure that the computer system is functioning properly:
Keyboard
System board
Memory modules
Video memory
Diskette drive
Hard drive
CD (or DVD) drive
Power supply
POST also detects the type of mass storage devices installed in the computer.
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