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my pc is shutdown unexpectedly pleasw help me

hp pavilion p2
Microsoft Windows 7 (64-bit)
Hello ..
I bought a hp original pc 4 years ago.tsomehis problem was started some months ago.when i on my pc it'll work good .when its passing few minutes my computer will get off within a second. NO SIGNS ,NO WARNINGS ,NOTHING.
And it wont start again for few hours or till next day. I cleaned it fully. There's no dust in fans and board,i replaced a new cmos battery. I tried all the things.and my computer has no power supply unit.it has a ac adapter. So please help me what is the problem. How to solve it. PLEASE HELP ME...
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my pc is shutdown unexpectedly pleasw help me

Google-search for "download free SPECCY".

Download, install, and run the SPECCY software.

Run it as soon as you turn the computer on.

Run it again every 15 minutes, as you use your computer.

 

SPECCY will report the temperatures of your disk-drive, your motherboard, your CPU, and will report the speed (RPM - revolutions per minute) of each fan inside your computer.

 

I think that your computer could be overheating, and shutting down.

After it cools down, you can restart it, and use it for a while.

 

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my pc is shutdown unexpectedly pleasw help me

Os it the sign of a bad ac adapter ?
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my pc is shutdown unexpectedly pleasw help me

> Or it the sign of a bad AC adapter ? 

 

Yes, that is a possibility.

 

Touch the AC adapter -- is it "hot" or just "warm" ?

After your computer shuts-down, take an electrician's "multi-meter", and measure the Voltage and Wattage being output from the adapter.  Compare to the values printed on the label on the AC adapter.

 

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my pc is shutdown unexpectedly pleasw help me

No .. when it get shutdown the ac adapter's showing no changes. And now my pc is not giving the time to install that software. It get off before that.
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my pc is shutdown unexpectedly pleasw help me

> And now my pc is not giving the time to install that software. It get off before that. 

 

I think that your computer is overheating, and is proactively shutting itself down, to prevent damage.

 

What is the temperature of the warm air being exhausted from the computer? Is it "hot" -- 60 to 90 Celsius ?

 

 Since your computer is getting "worse", I think that it is time to seek professional trouble-shooting, before you totally "kill" it.

 

 

 

 

 

 

 

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my pc is shutdown unexpectedly pleasw help me

Nope.. it's not too hot it's very cool ... i checked it every time
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my pc is shutdown unexpectedly pleasw help me

Since your computer is shutting-down within minutes of starting it, I think that it is time to seek professional trouble-shooting, before it totally dies.

 

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my pc is shutdown unexpectedly pleasw help me

After i install the spaccy it shows the temperature. When its passing 80° cpu fan rpm increase and noisy. But i didn't hear this before.is there any chances to fan speed failure?
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my pc is shutdown unexpectedly pleasw help me

> When its [temperature is] passing 80°, CPU fan RPM increase and noisy.

> But i didn't hear this before.

 

That is what the motherboard is supposed to do -- recognize the "excessive" temperature, and speed-up the fan, to try to cool the CPU.  Of course, faster spinning generates more noise, and that is what you are hearing.

 

What programs are you running, such that the CPU is getting that hot?

Games?  BitTorrent file-sharing?  What anti-virus software are you using? It might be doing a "full" scan.

 

Microsoft released security-updates at 10 AM Pacific on 10/10/2017 -- earlier this week.

Could Windows Update be the cause of the extra CPU usage?

 

> is there any chances to fan speed failure? 

 

If you are hearing the fan, running at full speed, and SPECCY is reporting such high temperatures, it has not failed.

 

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