Laptop screen turns off on removing power cord

The screen turns off when the Display Brightness is set too low and some correct driver is not installed.

To fix this issue, go into Power Options, Edit Plan Settings of the active plan, set Change plan brightness to the maximum for both battery and plugged in. You can access the same setting under Change advanced power settings, Display, Display Brightness.

You can still control the brightness using the keyboard. The control panel setting seems decoupled from the keyboard setting (I am guessing it is a driver issue that is at the root of the problem).

I had the same problem (screen turning off when unplugging my laptop from the power). It started two days after I upgraded to Windows 8.1.

I resolved this by using the Power Options control panel. I noticed that this problem only occurred for me when using the "balanced" power profile. If I switched to either the "power saver" or "high performance" profile, the problem went away.

I fixed this for the "balanced" profile by selecting "change plan settings..." and clicking "restore default power settings for this plan." I can now use the "balanced" profile without the problem reoccurring. There must be some specific setting that is causing this behavior, but I'm not sure what it is.