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Pavillion beeps 3 times followed by 4 beeps when I turn it on

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Pavillion 24 r101na

When I switch on my PC it beeps 3 times followed by 4 shorter beeps. Can anyone advise me

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the 2015 Up page on this shows   3L 4S

"The system board displays a power failure (crowbar)"

this means in English the PSU is  overloaded.  (PSU failure or any thing in the PC that can overload a PC , power rails.


we strip a PC down to find what is shorted, first.  to what is called  Minimum system.

USB devices and cables first they can short too.

then going inside.

are you asking for shop to fix it , , or us guess, or how to actually do the tests and diagnostic steps , shops do.?


hp 2015 uphp 2015 up

NO warranty answers by me.
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