PC starting and after 10 seconds PC shut downs immediately

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O

Okan Guclu

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Jul 20, 2015
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Hello,

I played yesterday Witcher 3. It was perfectly fine my degrees didn't go up to 65 degrees and i played like 20 minutes long. After that my PC hang, it was really bad noise coming out of my speakers. I restarted and it didn't started. Quickly i disconnected the psu cable out of my psu. I waited a while and plugged again. It started very well but 20 seconds later it hang suprisingly. And now when i try to open my pc it shut downs after 15 seconds and coming nothing on my screen/monitor but all of case fans, CPU fan, Graphic card fan spinning very well. What is the problem? Many users that haved this problem said that this problem causes by the PSU. Is that right ?

Thanks :)
 
Solution
combinebasic
Check the voltage output of your PSU if the correct voltage are presents. The voltage rating written in the label of that PSU. You try also to isolation test of your MOBO and PSU if will solve. Are you sure also the temp. that was not hitting above 65 c you can download utility to normal or stay the temp at 60 c. But concentrate of the Power first, be sure that you have input voltage came from your regulator.
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combinebasic

combinebasic

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Dec 23, 2015
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Check the voltage output of your PSU if the correct voltage are presents. The voltage rating written in the label of that PSU. You try also to isolation test of your MOBO and PSU if will solve. Are you sure also the temp. that was not hitting above 65 c you can download utility to normal or stay the temp at 60 c. But concentrate of the Power first, be sure that you have input voltage came from your regulator.
 
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Solution
O

Okan Guclu

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Jul 20, 2015
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Can i just buy a new PSU like VS650(Corsair VS 650 Watt PSU I had 630 Watt berlin thermaltake PSU. I think that PSU is corrupted. Mobo is another thing. If the mobo was faulty then my pc won't open and show any kind of live existent. example Fan spinning. I guess inside of my PSU capacitors had a high voltage and at a time "baam" capacitors broke...
 
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johnnyb105

johnnyb105

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Feb 18, 2013
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Did you try to boot into safe mode? never unplug a pc while its trying to boot up that's reason for failure if the pc will boot up in safe mode then reboot it in normal mode if it fails both then its probably a bad power supply unit. The PSU wont corrupt the motherboard but if its bad it can damage it stick with well made name brands such as SEASONIC AND EVGA.
 
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combinebasic

combinebasic

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Dec 23, 2015
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Hi Okan I logout because I'm too sleepy, because its 11:00pm here in the Philippines. You're right Okan its possibly your MOBO or the PSU is the faulty. In my experience in repairing PC I've encounter this problem, the faulty either MOBO or PSU. Can you Isolate the PSU and test it using VOM?If you buy like what you said, we are not pretty sure that the MOBO is bad or else lets use trials and error right?
 
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Jake Dubeau

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Jun 1, 2015
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If you're saying that the capacitors in your PSU popped (Which I think you are), your power supply is pretty much done for (Unless you want to replace capacitors, which I don't recommend), a failing power supply very well could have taken down other components with it. (Motherboard, CPU, RAM, Etc...) There was probably a power surge that damaged your hardware. The first thing I would do is test out individual components with different systems. See what's alive, and what's dead. If you're lucky it will have just been your power supply that died.
 
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combinebasic

combinebasic

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Dec 23, 2015
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Yes Jake,its correct but how about this user he know how to disassemble that parts and proceed to test that PSU and use the VOM. So the very easiest way is to replace the PSU but the disadvantages you don't know exactly what parts have damage. So its very dangerous to the other parts like the MOBO. So its better to test one by one using the isolation test.
 
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Okan Guclu

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Jul 20, 2015
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I said this before, if my mobo corrupted than it will not show any kind of live existent example when I press the power on button, my graphic card fan case fans and cpu fan is perfectly spinning. And my psu is not made in china or cheap psu I think so I guess my psu is corrupted. Am I right ?
 
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combinebasic

combinebasic

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Dec 23, 2015
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I analyse the problem you said, because you said that the moving parts inside your cpu is normally spinning. So I arrive in this conclusion. Might be the error of your computer is no display and probably cause of the problem is overheat in mobo through either in processor, ICH and MCH chips and you said also that after 20 minutes it will shutdowns but the moving parts is normally spinning, so it understood that your PSU can't hold- on in a normal amperage when the computer processing in a longer time like gaming, so the system of your computer will automatically cut-off and it instruct to shutdown through sleeping that cause no display. So If I we're you I will dismantle that computer, clean and remove dust build-up, contact cleaning of RAM and VGA and try to RUN another good PSU. Because this problem is particularly no display you need also to check the RAM and VGA but also concentrate in PSU. The PSU have a voltage output capacitors if this component is weak this will cause to suddenly shutdown your system.
 
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Okan Guclu

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Jul 20, 2015
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Actually i plugged everythink off and look to the pins. And i noticed that 24 Pin cable has just 23 PINS! 1 Pin is broken. Is that normal ?. I checked everything, ram too (I have 2 Kingston Ram 8x2 16 GB) I plugged one ram out and tried didn't help i plugged the ram and disconnected the other ram didn't help. And i guess yeah this might be the psu. I ordered the new VS650 Watt PSU. I will try and report everything to you!
 
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Okan Guclu

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Jul 20, 2015
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Should i just connect the 24 Pin ? Owww i get it. I plugged everything 8 Pin CPU Cable 24 Pin Cable and i disconnect SSD and HDD. And i tried to open my pc but, again didn't display anything and after 8 seconds it shut down herself
 
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combinebasic

combinebasic

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Dec 23, 2015
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So do you see a display on it?Have you inserted the video card?if there are display card in a slot remove it first, lets try to use the built-in vga port. If there are no display and it shutoff suddenly your mobo is bad also.
 
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Okan Guclu

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Jul 20, 2015
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And one more thing. Sorry that i didn't write it. I got this problem like 3 days ago. After that hang, i just unplugged the psu cable and then i waited like 5 minutes. After that i plugged the psu cable, after that i pressed the power on button. At this point it worked very well my BIOS came, Windows,... and after that it just hang again. and i repeated the process. And now just nothing.
 
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combinebasic

combinebasic

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Dec 23, 2015
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So there are no display right after?if then if it hangs up try to check if one of the chip sits is producing high temperature. Like gpu. What is your display card you use in your computer?lets check, the problem is like this? power light is on, nothing on screen?or no LED lights and no display on screen after hangs-up
 
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Okan Guclu

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Jul 20, 2015
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Firstly my GPU is Palit Geforce GTX 770 Jetstream. I can feel that back of my gpu is cold really really cold. When i press the button i can see that all my fan are spinning and my Motherboard shows yellow color which this is pretty normal. And also my Graphic card is showing blue color which is pretty normal too.
 
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