
Safe to say you have a faulty part in there...
Maybe the graphics card? The PC is designed to shut down if it finds a fault, lets just say its something like a break in the circuit...
My computer did it a while back... my graphics card broked...
Have a mess around and let me know+REP if it fixed
Lew.
'tis a good idea.
Most PCs wont boot without a graphics card installed of some kind, so leave that in, take all your RAM out apart from one stick, unplug all the drives and any non-standard peripherals and see if it boots.
Of course your computer will boot without a gfx card in. Most standard motherboards come with a built in 64mb gfx port so it will boot
Lew.
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