Hp pavillion dv3 2111TX freeze when unplug charger

[aiman01]

Hello,currently now im using hp pavillion dv3-2111TX, i buy last year and the original window get is Vista home premium ( dont have any prob ), after tired using vista im switch to window 7 ultimate 32 bits, and im realize that my laptop keep freezing about 5 minute after i unplug charger.. than it become normal after 5 minute. im try to restart and the result is im must waiting also coz its sill freeze and hang.. huh what should i do.. help2...

 

[aiman01]

someone help me pls

 

[Zoron]

Did you upgrade Vista or install Win 7 clean?

 

[aiman01]

what u mean by clean?.. im instal window 7 completely without any erro.

 

[Zoron]

Did you do an upgrade or did you clean install?

 

[aiman01]

im clean install