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05-13-2020 02:06 AM
PLEASE POST ANY RESULTS.
First:- Turn off the computer, press and hold the PWR button for 4 seconds.
Then - Leave only keyboard and mouse connected, disconnect all externally connected
devices such as Docking Station, USB storage devices, displays, and printers.
Unplug the AC adapter from the computer.
Next - Press and Hold the Power button for 15 seconds to Hard Reset.
Rinse and Repeat; Re-Connect the AC adapter.
NOW begin checking/testing/proving the Hardware is fit for purpose.
Power on your PC, press ESC (repeatedly), then F2 at the prompt.
Choose System Tests (Fast Test does a 4 minute hardware check).
Signs of a CMOS Battery Failure
It is a 3V battery. If the voltage drops below a certain level, your computer loses the memory.
The CMOS settings like date and time get changed.
Your computer will show a message such as “Booting Error, unable to detect disk drive.”
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