Anyone out there help please lol

As much as i know about building & repairing PC's i have a problem

A friend of mine gave me his laptop as he said it would not start up at all, so i had a look.

You switch it on, and it does its normal stuff, showing processor, memory and all that stuff, and will let me get into BIOS if i want, but this is where it stops.

It will let me boot in anything, Safe Mode, last known working config etc..... but when it does, it shows the windows logo for a bit as if it is loading, then very quickly shows you a blue Screen of Death as we call it, then starts re-booting, and does the same thing again no matter what i try

If i had time to read the blue screen it may help, but its only there for less than half a second.

Anyone bods out there have any thoughts