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My pc shuts down during startup

HP Recommended
Microsoft Windows 10 (64-bit)

whenever I click the power button it starts to turn on the light at the front comes on and e.t.c then 1-2 seconds later it shuts off and repeatedly switches on and off in a loop

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HP Recommended


Welcome to the forum.

I am not a HP employee.


There are a number of culprits which can cause this symptom:


1. Power supply

2. Power switch

3. Motherboard.

4. Internal components connected to the motherboard and associated cabling when applicable

5. Peripheral devices connected to external ports.


You have to troubleshoot all possible causes one by one.


It is usually best to have: HP Support, if you are in warranty, or a local PC tech take a look.


I would check YouTube for tutorials on this problem if you want to troubleshoot the problem. You may need replacement components to find the cause.



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