Well ive had this pc for several months already and ive had no problems with it whatsoever until these recent weeks
However last night i did try what hkfnstang suggested and opened up the case. Upon switching it on several times i noticed something peculiar with the fans (there are 4 in mine, the psu's, the gfx card's, one on the heat-sink and another right next to that)
1st attempt: All fans work fine
2nd: The heatsink fan wasn't spinning, had to give it a nudge to make it do so
3rd: All fans work fine
4th: gfx card fans are not spinning for some reason
5th: All fans work fine
rest:All fans work fine again
It was either one of those two fans that wouldnt spin on some occasions, not both. Apart from that, the other fans worked perfectly fine.
Ive only got a dvd-rom drive (and floppy drive of course
) the gfx card is probably medium-range and can handle my games (hl2/css, battlefield vietnam) at medium-high settings perfectly well.
btw thx for all your suggestions so far guys, really appreciate the help