xp hang after 5 to 10 minutes

PA1

Honorable
Feb 8, 2014
1
0
10,510
I have P4 3.2 Ghz 1 GB DDR2 RAM,1TB HDD.
windows xp sp2
When I turn on my pc windows get on perfectly without errors, after 5 to 10 min windows get hang. Mouse and Keyboard are not working, I tried CTRL +ALT+DEL no use again I have to make hard reset.

pls give solution