hi. i have buy a new laptop with windows 7 home premium, 2GB RAM. the problem is my laptop hang/freeze (blank screen) after wake up (i am not sure) from sleep. ctrl+alt+del, clicking mouse, escape. all doesn't work. the only solution is plug out the wire or take out the battery. i am afraid my laptop will fail one day because of this. please help me. thanks in advance.1 person needs an answerI do too