2
votes
3answers
4k views

Boot hangs on grey screen (even when booting from USB drive with fresh OS X install)

My MacBook Pro 15" Late 2011 (MacBookPro8,2) with AMD Radeon 6770M exhibited display corruption and associated system crashes/resets over a period of two weeks before it entirely failed to boot. The ...
1
vote
0answers
200 views

Various applications are not redrawing areas of their screen (glitchy graphics)

There are a few applications that consistently show graphic glitches. I think it started happening on a recent Mac OS X update. I have: Mac OS X 10.8.2 (12C60) Intel HD Graphics 288 MB (can switch ...