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knightc42
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HP p6210y will not start. Replaced PSU and CPU. System and CPU fans run for 5 to 10 seconds then shu

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Pavilion p6210y
Microsoft Windows 10 (64-bit)

HP Pavilion p6210y will not start. I press power on button, cpu and system fans run for 5 to ten seconds, then shut down. PSU stays on.  I have change the PSU, and CPU, but problem remains. Could mother board be fried?

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WAWood
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@knightc42 

If the motherboard was fried, it would not power on at all.

 

What did you do regarding thermal paste when you replaced the CPU.  Asking because folks not experienced in doing this tend to slather on LOTS of paste -- and that is the opposite of what you need to do.  Too much paste prevents the heat from the CPU from flowing into the HSF, basically acting as an insulator -- and when that happens, the CPU very quicly overheats and shuts down the PC -- which sounds like what is happening to you.

 

You want only a very thin layer of paste -- best to mostly scrape it off with a flat smooth piece of plastic, like a credit card, and leave only a very thin layer.

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knightc42
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New CPU came with a small tube/syringe of heat sink paste. Used about half of it. Don't think it was overly thick, but maybe I'll pop the CPU fan, and wipe it down thinner. Thanks for the answer.

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knightc42
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Popped the CPU fan/heat sink. Thermal paste no overly thick, but wiped a little bit off. Still have same symptoms.

Thanks again!

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WAWood
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@knightc42 

The general rule of thumb is to put a DROP on the center of the CPU and then spread that with smooth plastic so that a very thin film coats the CPU.  Any more will prevent heat transfer by acting like an insulator.

 

IF you do this and it still does not work, you will need to take it into a computer repair facility and have them look at it.

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wb2001
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@knightc42,

What you have is a circa 2009 motherboard called the "Violet". It was infamous for a boot problem., forget which, but here is the archive article.  It was a SATA controller chip.

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knightc42
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If it is a SATA controler chip, could I change SATA ports?  Also I think maybe my bios has been wiped. How do I reload it? I've really appreciated all of your feedback. Have a great week.

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