PC keeps Cutting out - Not as simple as it sounds

[Gills80]

Hi all I've been having trouble with my pc cutting out it started at least 6 months ago where the pc would cut out and then start up again. I swapped my psu thinking it would solve the problem and it did for a short while but it started up again and became worse. I just got a new motherboard and fitted a case I was saving for a new build for my sister and fitted them today in the hope it would solve the problem just in case it was mobo related but after an hour it cut out and died totally on me - now not a hint of life in it. I have even changed the power leads and extension sockets as well as move the pc about the house with the same problem. I removed the Graphics card a few days ago before I took the desperate plunge in the new motherboard and its wiped me out cash wise only for it to just die. I have been pulling what little hair I have left over this out and am stumped about the problem. Is there anyone that can help me out here please?????

Windows 7 Home premium 64

Intel Core i7-3770 3.40GHz (Ivybridge) Socket LGA1155
650W Cooler Master GX 80PLUS Bronze
16gb Corsair Value Select 1333MHz
XFX DD Radeon HD 7870
120GB Samsung 840 EVO Series 2.5" SATA 6Gb/s Solid State Drive SSD
Western Digital 1TB WD1003FZEX Black Hard Drive
Asus DRW-24F1ST DVD±RW 24x
AsRock Z77 Extreme4 Motherboard (Socket 1155, Intel Z77 - Formerly before today MSI Z77A-G43 Intel Z77 (Socket 1155)
ARIAnet StealthX Type-B Black Midi Tower Gaming Case

 

[masteranu]

Sounds like psu for me
Bt after replacing it and happening again
It's little bit odd!
There is a probability for psu problem again!
1.Have you calculated your total power consumption?
It could be overheating problem
I'm not sure
2.Have you checked cpu temps?
And this also happens in gpu related problems
So
3.did this happen even using pc without vga(using mobo vga out)

 

[avarice]

It almost sounds like a thermal condition - blow out the dust - inspect fans and cooling fins - and pay attention to the inside of the PSU.


Now with the analysis side of the effort - if the problem persists even though you have replaced items - then the problem is NOT likely with the new parts. Inspect the other parts - look for loose wires and such then remove everything you can and get it up with a single stick of memory - boot drive and video card.

If the problem persists - swap out the memory for the other stick. If it still persists - it likley is not the memory.

Keep moving forward like this until you can issolate the problem. You may want to swap out your sata cables and test.

I am sorry - but a good systematic approach may help in identifying the issue.


Good luck.

 

[Gills80]

Thank you for your answers. The fans are brand new and using the temp while it was stable previously they were fine and nowhere near temps that people have had problems with. I was worried it might have been a cpu problem or HD but if you are saying it could be PSU then it makes me wonder why I am having so much trouble. The second and original psu was rated at 750w. I really cant afford a new psu only for it to go the same way as the other two. The new mobo wiped me out and my budget is just about done for a good while.

 

[masteranu]

Just check pc without vga card with connecting mobo vga out and see problem remain

 

[Gills80]

Already have done same problem and end result sadly