Hey all right now I am experiencing a blinking screen when i switch my laptop from AC power to Battery power. This happened after I formatted my computer and reinstalled all the drivers for the 2nd time. The first time i did that there were no problems, until the 2nd time. My system is an Inspiron 640m T2050 Core Duo 1.6ghz processor 1 gig Ram Windows XP OS Intel Media GMA 945 integrated Graphics Can anyone help me with this problem