PC randomly shut off and won't turn back on

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jrglol

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Jun 27, 2017
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So, I was playing csgo and my PC just shut off, and no matter what it won't turn back on. I cleared the CMOS with the jumper but during changing slots, the jumper just came apart, but I successfully cleared the CMOS, PC runs ok, until about 10-20 sec it shuts off, all the time. So I unplugged my windows hard drive and the PC worked fine (I use Linux as my main os) for a few hours. Then it shut off and won't turn on, Ive changed the CMOS jumper, but no luck, so I tried changing the CPU with my dad's PC, also won't post. Then I switched the CPU back, and it won't post, so now I have 2 broken PC's. What do I do?

P.s. Ive confirmed everything is working, my suspects on my PC are the CPU, and motherboard, idk about my dad's PC.

P.p.s Ive tried removing and clearing the CMOS on my dad's PC as well, still no luck.
 
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Well both systems don't work fine. The psu's both have the wrong amps and cannot even come close to the delivering what is promised. Unhooking a device from a rail caused the system to work for a bit thus showing that the psu is freaking out with power delivery and the biggest one. I have a couple of these lying around still from a few years ago when they broke a couple systems (pentium G620 office pc's with the dtech 550w) there is a reason these are cheap. They use low quality components, cannot deliver anywhere close to promised wattage and don't deliver clean power causing device to get damaged over...
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jaslion

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Dec 17, 2012
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Full specs of both systems please.
 
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jrglol

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Jun 27, 2017
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My PC :
AMD 880K
Biostar A88MQ
Corsair 8gb 1600mhz ram
Kingston 128gb SSD
2x 500gb WD hard drive
NVIDIA gt730 gddr5
Dtech 450W

My dad's PC :
AMD a8-7600
Gigabyte f2a68hm-ds2
G.skill 8gb 2133mhz ram
128gb Galax SSD
Unknown storage WD Hard drive
Dtech 650W

I accidentally down voted you, sorry.
 
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jaslion

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Dec 17, 2012
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You have 2 firehazard level psu's. No wonder the systems have died when they were recieving who knows what kind of voltages and whatnot. Replace the psu's with quality units and see if they come back to life.
 
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jaslion

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Dec 17, 2012
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Well both systems don't work fine. The psu's both have the wrong amps and cannot even come close to the delivering what is promised. Unhooking a device from a rail caused the system to work for a bit thus showing that the psu is freaking out with power delivery and the biggest one. I have a couple of these lying around still from a few years ago when they broke a couple systems (pentium G620 office pc's with the dtech 550w) there is a reason these are cheap. They use low quality components, cannot deliver anywhere close to promised wattage and don't deliver clean power causing device to get damaged over time and fail.

So whatever you do get a quality psu if you want to avoid these issues in the future. Cheaping out on the part that gives life to your whole system is just never a good idea.
 
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jaslion

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Dec 17, 2012
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Just look around the forum here and you'll see many many many posts where the psu is too weka, cheap,... and ended up killing the system, damaging it, breaking itself, not delivery stable performance,...

80+ also means nothing since there are also plenty of psu's that are 80+ bronze or up that are absolute garbage. An example of this would be the corsair VS series.
 
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jrglol

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Jun 27, 2017
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Update : I've bought a motherboard and tested the 2 CPUs, in conclusion, BOTH CPUS ARE DEAD! Yes, both of them are dead, I think it's because one of the motherboard kept power from the electrical storm, there were some intense storms the past few days, so I think that is the cause.
 
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jaslion

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And normally a psu or surge protector (or both) would prevent that damage if they have the built in protections for it. Which your dtech does not have since they cheaped out. So my recommendation still stands to get a new quality psu. If you want some recommendations just list your budget.
 
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jrglol

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Jun 27, 2017
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Yes, sorry for doubting you. :D In fact, both motherboards have surge protection. My PC turned off once when there was a storm, but everything worked fine. I definitely won't cheap out on the PSU again.
 
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jaslion

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Also invest in some surge protectors for extra safety. They can be had for under 10$ and save you a lot of money :p.
 
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