hi there thx for the reply
i know 64 bit would require 4gb ram,but when 1st time i build up my pc i had the same problem,so i decide to reinstall my windows 1st and make sure this problems wont shows....and now it happen again,
the 1st i have this problem, the salesman from computer store able to fix it, but i was in rush in that time so i forgot how he manage to fix this
already tried installing with msi
driver,latest and old driver, and still not working
and if i put external graphic card ,windows will be stuck at loading screen,
....