SALAM

DOSTO ME aik pc me installation kar raha hun dost k us ka processor 1.8 tha mene 2.4 laga diya hai ab wo chalte chalte band ho jata hai heat up hone per mene thermal paste b saaf kar k new lagaya hai but abhi b set nhi howa or us me installation b complete hone se pehle power of ho jata hai board ka model d845 hai compaq ka hai pc. PLEASE MERI HELP KAREN URGENTLY