MY PHILIPS FREEVENTS X52 LAPTOP HAS STOPPED

try this. remove your battery and plug in the ac adapter. If it starts and operates normally then you know it's not the AC adapter.
if your lucky enough to know someone with the same AC, borrow it. plug it in and leave it for an hour or two with the battery installed. unplug the ac and try running it off battery . if it works- not the battery-
^_^