If the monitor is a TFT, then it may be because the resolution is set to high! Re-boot in safe mode and go to control panel, click on display then properties, set to 60hz for a 15" or 75hz for a 17" monitor. Re-boot and all should e fine.
Hands-on: Acer Predator Triton 700 review
D&AD Awards 2017: see the best design, advertising, illustration, animation and VR of the past year
How to lose weight with an Apple Watch
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.