So bit of background. I like Mac's retina (otherwise known as HiDPI under the hood) display. Even when on a non-native resolution, I feel its sharper than running on the low DPI setting. I've bought monitors in the past (a lovely Dell, 2560x1440) and had to cave to the fact that I could not run retina/HiDPI at anything …

A family member came to me with a 15″ MacBook Pro from 2011 and High Sierra saying that it would only boot up so far, before coming to a grey screen and then just staying powered on but not doing anything. A quick internet search revealed that this particular family of MacBooks had issues with their AMD Graphics Cards. …