My PC won't boot up. I was playing games and suddenly the PC screen goes black and I find it off. It wont turn on again.

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sourendrakundu

Honorable
Oct 6, 2012
13
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10,510
My pc suddenly goes black after a continuous usage or gaming for half an hour or so.
One day, while I was playing game, suddenly pc turned off (sudden death), and rebooted up again.
This problem continued for aweek and now-a-days it dies suddenly and dont turn on for a long duration.
I tried cleanning ram, short circuitong power swith, removing GPU and some peripherals but the problem presists.
When it dies it dont turn on -- gpu LED stays green. And sooner I press power, hdd turns on but gpu and cpu fans stay still. Sometimes it reboots again and again (monitor stays black).
I don't have another psu to check.
I am sure it is not gpu because the same happens when gpu removed.
On the recent timeline -- no significant h/w change. But there was a problem with the monitor power cable's earthing connection for which, the VGA plug of monitor was a bit charged, but now solved with proper earthing conbection.
Is it the mobo?
.
My PC-
450 W COOLER MASTER THUNDER
FX 6100
GIGABYTE GA 78-LMT USB3
6 GB 1 CHANNEL 669 MHz (4 + 2)
SEGATE 1 TB SATA + 80 GB IDE
ASUS GHz Edition HD 7770 1 GB
DVD RW
512 kbps BROADBAND
BLUETOOTH DEVICE
Mouse + keyboard
 
Solution
prit87

actually you dont need a branded psu test with a cheap iball or frontec whatever just make sure to remove the gpu before testing...just check that motherboard is okk if the motherboard is fine then it must be a faulty card or psu.. in that case you can take your card to a friend house just for testing if he have a good 400 watt psu..and for testing the card do a furmark test..

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Praise_Gaben

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Dec 1, 2013
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10,860
Did you already try to boot it with only mobo, cpu and psu after the PC won't turn on? Sounds like a defect motherboard or psu.

But best would be to check it with a different psu or take it to a local pc shop, they can see what is wrong. AFAIK there is no way to determine whether it's a faulty mobo or psu without having an replacement psu/mobo.

Another option would be to either buy a new psu, see if the problem still persists. If it does, it's very likely the motherboard.
 
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Alceister

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Jan 12, 2014
40
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10,540


Borrow one off a friend, or scavenge one from an older computer if possible.



 
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prit87

prit87

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Jun 16, 2014
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22,960

actually you dont need a branded psu test with a cheap iball or frontec whatever just make sure to remove the gpu before testing...just check that motherboard is okk if the motherboard is fine then it must be a faulty card or psu.. in that case you can take your card to a friend house just for testing if he have a good 400 watt psu..and for testing the card do a furmark test..

 
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