Screen is blurry
Hi I ve recently upgraded and something seems to be wrong with my
screen. At intervals it will just go blank, blurry grey with bands of colour. How do I set this right
MacBook Pro, OS X El Capitan (10.11.4), na
Restart the computer holding down the command - option/alt - P - R keys before the gray screen appears. Continue to hold until you hear the startup chime for the second time.
You can also try a SMC reset. The article covers when this is required, but doing this will not affect anything.