Flashing blue and white streaks on screen
I’m getting flashing blue and whit streaks on my screen when starting up and when trying to open a application
MacBook Pro 17″, macOS 10.13
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Robrh wrote:
I’m getting flashing blue and whit streaks on my screen when starting up and when trying to open a application
Try resetting the SMC https://support.apple.com/en-us/HT201295
Try resetting NVRAM/PRAM http://support.apple.com/kb/ht1379
(get at least two-three rounds of the chimes when holding the NRAM Reset)