Posted 03 July 2014 - 03:11 AM
Looks like your contrast with plugged in got hit. Usually by hitting a function key.
To change it follow the instructions provided by Microsoft. You can find the link here.
Go to the second option "How Can I Choose a Different Power Plan"
Click on it and follow the directions
Also check here for info on contrast and different options,
Hope this Helps
"Never Stop Asking Questions, Question Your Environment, Question Your Government, above all Question Yourself. We all lose when you Stop asking Why?