Test result please help me, can you tell me whats wrong

i redid my computer with windows xp and my computer still close down sometime and i call a computer guy he said it was the power he replace it and still the samething, i though it was the memory it not i buy a video card im not sure if that was it but when i just install it and was turning it on it wouldnt turn on the moniter the computer was on but not senting to the moniter, So please help.


Thank you ver much

 

You said that there is no any image at all displaying on the monitor?

 

What do you mean with "sometime"?...Does it has video signal sometimes and sometimes doesn't??

 

look so to sometimes and sometimes not

 

you think it could be the mother board or what

 

I'm suspecting the CPU may be overheating, which is typically caused by an improperly mounted heatsink, poor airflow, or too much thermal paste (this causes the paste to act as an insulator).

The quickest way to address this issue is to remove the heatsink (with the system off), clean it and the CPU off with isopropyl alcohol, reapply a paper-thin layer of thermal paste to the CPU core or heatspreader (the heatspreader covers the entire processor package, the core is just in the center, anything recent uses a heatspreader) and reinstall the heatsink.

Also, check to see if the wires are tied out of the way. Cabling can interfere with the airflow through a case and may cause overheating.

 

So that can't be a display issue. As BigB says, most probably it can be overheating issue. Do it as BibG says.