Last update about my poor lil' computer: There has been no fix

....Thinking its the motherboard. I can't do anything with it

. Am currently using my dads MAC which has no programs I need on it boooo plus I dont like using it >.>...No hope for the poor old PC I've had now for 6-7 years now lol, it has definitely reached its last 'life' after revived it twice in its 'life time' heh

~ RIP my poor computer, I will replace you eventually.....sometime....whenever that will be >.>.... Oh and my dA subby runsout soon....oh well, can hardly get here anymore anyway so no difference made there

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Update again:So I have changed the fan, its working nicely and not turning off anymore so that mean the turning off was due to that. However now that I have, my montior is not working and is going onto 'Power saving mode' because there is no signal. So either that means the power supply to montior has died, or it means even worse that either my video card or motherboard has been fried in the process of it over heating so much!!
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I can't afford a new computer at this time!...I'm still soo glad that I backed up my stuff before hand!
Update: Riiight last night I found it WAS a heating problem as after turning it on for about half and hour the fan was BOILING! Literally was as kettle water after boiling!..Not good at all!...So hoping to get the new fan in tomorrow or weekend and all will be fixed yay!
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Hmm, I am having computer troubles at the moment(again >.>), meaning I can't upload anything for a hopefully no more than a couple of days or so.
I am so happy that the thing actually turns on still so I've made back-ups of everything! Phew!
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The problem is after about 20minutes it completely turns off without warning, as if I pulled the plug! Rather annoying whilst I am working!! >.<..I can;t even do a full virus scan without it turing off (not that I think its a virus as I have very good virus protection on my computer, just trying to 'tick' all the 'check' boxes heh)
I am currently using the University Computers to reply, fave and comment on things haha, as whilst I don't know the proper reason for this problem I dont want to use my own too much
incase it will cause more problems later on....
All my 'personal' stuff is not on these ones (uni pcs) so accessing requests and commissions is a nono at this point in time, so I am very sorry!!
Im very much hoping it just a over-heating problem or a power plug problem as they seem most plausable, which I can easily fix by giving it a good clear out or fixing the plug hehe....So wish my computer luck! hehe
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Commission list:-
1.Complete!
-2 OCs (64
-Fully paid! Thank you! 
2. Complete!
- OC- Demon Claire :-32
Fully Paid! Thank you!
3.
- OC Violet :-To be paid After finished and uploaded 32
ON HOLD! So sorry! Thank you so so so so much!
Yep thats all!

You can also find me in these places too:
~ Check out all my blogs:-
*Art tutorials blog ->[link]
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*Art inspiration blog ->[link] and
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I'm burning whilst I use my dads now xD (yeeeaaah a little extreme
we have a person in our course called mac XD (well thats her nickname, no one knows how to say her whole name so shes like, just call me mac