All other Hardware - [Pending] Thermal event posted in the Hardware forums; Dell PC crashed, restarted and pc said previous shutdown due to thermal event
now pc will not load windows xp just switches off...
1) A fan has failed on your motherboard or processor/heatsink or there is a build up of dust in your case. Open your case and check for both of these things
2) Your power supply is playing up - is there any way that you can try a power supply from another PC ?