reinserted

hi, here's the problem: when my cous was playing gta sa, he said he heard two beeps and the system was shut down. When he switched on the monitor gave 'No Signal'. He reinserted 9800GTX+ but the monitor gave him no signal, he reinserted the ram also, but no. He even took out the cmos battery and...

i recently purchased my w700i phone...and just now, it has started acting crazy...i was listenin to some music..d keys stopped working and a white light keeps shining periodically...i took out d battery, reinserted...even took out d mem card...but it keeps doing d same thing as soon as i switch...