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Possible psu dying?

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January 19, 2013 5:51:59 AM

Hey guys just seeking some help about my current PC issue

Few days ago pulled out my cpu fan to clean it, and upon placing back in, my pc does not fully start up, and takes a few tries to get past POST

It constantly turns on and off whenever I power it up and after a few tries does boot up and run but freezes when its loading windows and freezes after awhile after it fully boots.

I replaced my original gfx card (HD6950) as that was giving no signal whenever it fully booted as i thought that may be the problem with a GTX660 and I now get a signal but still freezes and takes multiple tries to boot.

Tried running with 1 stick of ram, and the PC with no case

Specs are

i5 2500k
4GB g skill ripjaws
Corsair tx650 psu
Gigabyte GA Z68P DS3 mobo

PC was built end of 2011

Any help is greatly appreciated

More about : psu dying

January 19, 2013 10:42:27 PM

So I tried booting through the mobo graphics and still the same result. Ive checked that everything is secure, reseated the RAM and have used a diferent kit of RAM but the problem still exists
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January 19, 2013 11:03:24 PM

You may need to put some new thermal paste on your cpu. It may have faded after you cleaned your chip and the cpu may be heating up to much. There is a certain temp on cpu's which when it reaches that temp it automatically shuts down your system.
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January 19, 2013 11:06:11 PM

Have you not got an old psu hanging around somewhere? Even a rubbish one will do, just to test your system. If it boots on an old psu then you know you need a new one.
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January 19, 2013 11:23:06 PM

Nah I don't have an old psu to test on. One time it did boot, i checked the temperature of the cpu, gfx etc, and they were coming up as around ~34 degrees on idle
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January 19, 2013 11:52:48 PM

blazerau said:
Nah I don't have an old psu to test on. One time it did boot, i checked the temperature of the cpu, gfx etc, and they were coming up as around ~34 degrees on idle

34 idle seems about right. it possibly is your psu and not a cpu issue
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January 20, 2013 1:20:06 AM

So I unplugged everything bar cpu, and mobo power connections and yeah still same results but one time I did get a POST screen so pretty certain it might be psu as you said
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January 21, 2013 12:37:30 AM

Tried a different psu and still the same result, this is real annoying
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January 21, 2013 7:39:11 AM

blazerau said:
Tried a different psu and still the same result, this is real annoying

So if its not psu or cpu, then it is either your motherboard, ram or hard drive!!!!! Trail an error! I hope you have a spare hdd, ram or motherboard hanging around so you can try and see if the problem is with one of them. Im sorry to hear your still having problems. Its frustrating isnt it. :cry: 
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January 21, 2013 11:02:03 PM

Well I tried different RAM and that did not work. Tried running with only the mobo + cpu and still does not boot justbkeeps going off and on, more leaning towards it could be my mobo
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January 22, 2013 3:56:17 PM

blazerau said:
Well I tried different RAM and that did not work. Tried running with only the mobo + cpu and still does not boot justbkeeps going off and on, more leaning towards it could be my mobo

Well heres a motherboard for £25 off ebay, which will be ok with your set up. http://www.ebay.co.uk/itm/ASUS-P8Z77-V-LGA-1155-Intel-s... . Id still check your hard drive first before buying a motherboard.
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January 22, 2013 4:01:28 PM

blazerau said:
Well I tried different RAM and that did not work. Tried running with only the mobo + cpu and still does not boot justbkeeps going off and on, more leaning towards it could be my mobo

Ignore that motherboard i posted you. Its faulty.....sorry, just read small print. heres one but it costs more http://www.ebay.co.uk/itm/Vibox-Used-Gigabyte-GA-Z77X-D...
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