hello....my language are worese but i really need you help.....i just format my notebook acer aspire 4540 but have running problem......it lagging every 1 minute.....when i open music or video,it also have same problem,stuck sometimes,grinding sound......i already upadate new bios and new
driver,still have the same problem.....how can i stop this grinding sound and stuck problem?pleaseeeeeeeeeeeeeeeeeeeee.........
*windows 7,not windows vista