problems waking from first hibernation and now sleep..

My M6600 has been running fine for a long time, but recently I was suddenly no longer able to wake from hibernation...

The system would say 'resuming' it would go to a back screen with a blinking cursor in top left, then a black screen. It would stay here, sometimes the keyboard would respond to capslock/numlock, at other times not. But the system would never come to life..

So Ive been using sleep mode instead while waiting for a solution..

Today sleep stopped working it will look like it comes alive but the loginscreen will be frozen, and the whole system is unresponsive..

I hope someone can help since this is driving me nuts!