My entire laptop screen has a  blue hue to it.

All pages, backrounds etc. This just happened out of nowhwere. I've tried checking settings, energy saver, display, keyboard, desktop etc. Any advice?

Hey Julesbules,
Thanks for the question. I understand you are experiencing issues with the display on your MacBook Pro. The following resource may provide a solution:
Apple computers: Troubleshooting issues with video on internal or external displays
http://support.apple.com/kb/ht1573
While you should definitely give all of the troubleshooting steps a whirl, definitely make sure to follow the steps in this section:
Reset the system
You can reset the Mac's parameter RAM and SMC.
Thanks,
Matt M.

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