Hot answers tagged laptop
You should change the Advanced Battery Charge Configuration setting in the BIOS from "custom" to "adaptive": Restart the computer When the logo shows up, press F2 (or whatever key to enter boot, depending on the device... mine is F2) Go to the "Advanced" tab Change Advanced Battery Charge Configuration from [Custom] to [Adaptive]
click and hold fn, then F7. This will bring up the 4 options, click on the extend option. This will feed you projector a loop of what was on your screen when you pressed these buttons. To take it off of this, just press F7 again and select a different option, The small pictures pretty much explain everything.
It's possible your power supply is going bad. Try unplugging it from the wall and letting it sit for a while. If that doesn't work, it's probable that either the monitor itself or the power supply is bad. If you have a voltage meter I'd recommend making sure the output voltage is the same as the rated voltage.
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