Not all work we have to use our computer lcd, such as if we just listen to winamp. So for cost effective, you can turn off your lcd when you are not using it.

You can use Turn Off LCD (68.55 kb)  software to turn off your lcd. You can download this freeware from http://www.redmondpie.com/downloadscenter/TurnOffLCDv101.zip.

Using this Turn Off LCD software is simple. You just need to download this software and when you activate this software, your computer LCD will immidiately turn off.

If you want to turn on your LCD, you just need to move your mouse.