screen goes blank only on ac adapter

[coasterkate]

i have a dell inspiron 1525 laptop the screen goes dark only when its plugged in. the computer is still running and i can see images faintly and i have no problems when i run on battery power alone

[ronallandottk]

It may be your power settings. Go to Vista's control panel, click on power options, and click on the power plan you're using. At this point you can see that there are separate power settings for the laptop when you're on battery and for when you're plugged in. It's possible the screen brightness is turned all the way down for the plugged in setting, while the brightness for the on battery setting is set normally.

Assuming this is indeed the problem, changing the screen brightness for the plugged in setting may solve your dilemma.

Let us know if this works for you.