To check if another version of macOS is currently available: As your Mac reloads, it reconnects with all the hardware inside and some incompatibilities could just disappear.Īnother, slightly more involved take on the computer screen flickering problem is making sure you run the latest operating system, which should include all the known bug fixes. The first thing to remember when you have any systemic issue is that simply restarting your Mac tends to fix 80% of all the problems. This also means that to fix the MacBook Pro screen flickering you need to tweak things at a near systemic level, from resetting your SMC to restarting in Safe Mode to clearing out your caches. Since both Retina and non-Retina displays get the flickering screen bug, the most credible guess to the origins of the flickering screen comes from some low-level incompatibilities or bugs between macOS and certain GPUs (graphical processing units). Try free ✕ Why Is My Screen Flickering On Mac?