Why my screen flashes not black when I plug or unplug my charger?

Whenever I plug the charger the screen flashes black for a second, but goes back to normal later and accused the computer for a few seconds (I thought that because my music or videos jumps on WMP). The same thing happens when I unplug the charger.  I didn't used to have this problem, it started happening when I reinstalled windows xp pro, or updates of packages of 2.  But the previous times, when I reinstalled windows, it never gave me this problem.  The first time that my brother reinstalled Windows, it has had this problem and recently just reinstalled windows and it doesn't have this problem.  In addition, we have the same laptop right and we used the same Windows XP Pro. disc.

I know not how to set up all my information, I guess its called BIOS, but I have a Dell Latitude D531, there AMD Turion 64 X 2 TL - 56, 1 GB of RAM, using SP2, using a loader and OEM (I highly doubt the battery and the charger are the problem, but I thought I should mention that).

If you need more information, I am more than welcome to do so long that you're ready to tell me how to find if I have trouble.

Any help will be much appreciated. Thank you

To help others who are looking for. Posted by Shafimuhammad here:

http://en.community.Dell.com/support-forums/laptop/f/3519/t/19435392

Diagnosis

The video "Refresh" is switching between 60 (on food) and 50 Hz (on battery), and the screen goes momentarily empty.

Solution

So what about current alternative, office > right click > properties > settings > advanced > monitor. Here, under the display settings, set the refresh rate of the screen at 50 Hertz. After you apply these settings, the flashing problem gets fixed.

Tags: Dell Laptop

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