Could be so many things... Too much dirt/dust on the chips (have you ever cleaned your pc inside?) could be one chip is loose and loses contact as it heats up, could be software problem.. If you cannot afford a new computer, you could get it checked out at a computer repair place.
My pc turns off automatically after few seconds. Sometimes it works for a few minutes but after that it doesnot works for 2-3 days ( it keeps turning off after a few seconds). Please help me?
Well, I am a 14 year old boy and just about to be in 10th class. So my father will not buy a new pc for me as 10th class means a lot study. But anyways thanks for the help. I will get it checked.
Change os And install A new os
just take it to a cornputer place and get it fixed