I have a few month old BTO 27" i7 iMac. Usually patches are mostly harmless. This one less so than any other for me:
> The last 3-4 builds, it "black screens" and won't finish OS updates unless I start in safe mode. At least I'm used that now if annoying.
> When it does reboot after restarting in safe mode, it has this slow weird video glitch for about 30 seconds where it only paints a few scan lines at a time, but when it goes through a few screen refreshes, it seems normal again, and normal after reboot - sensing some video driver issues.
> More disturbing is on this last update, it killed my sound completely. Thinks I have no computer speakers or something. ** Edit ** After another reboot, sound came back.
> Got some kind of graphics driver issue in Photoshop CS6, but still seems to work - killed hardware acceleration or something (?)
> Also the UI seems more sluggish in Safari, and it looks like its trying to be clever with fade in/fade out kind of thing, but just makes it feel slow instead.
> The last 3-4 builds, it "black screens" and won't finish OS updates unless I start in safe mode. At least I'm used that now if annoying.
> When it does reboot after restarting in safe mode, it has this slow weird video glitch for about 30 seconds where it only paints a few scan lines at a time, but when it goes through a few screen refreshes, it seems normal again, and normal after reboot - sensing some video driver issues.
> More disturbing is on this last update, it killed my sound completely. Thinks I have no computer speakers or something. ** Edit ** After another reboot, sound came back.
> Got some kind of graphics driver issue in Photoshop CS6, but still seems to work - killed hardware acceleration or something (?)
> Also the UI seems more sluggish in Safari, and it looks like its trying to be clever with fade in/fade out kind of thing, but just makes it feel slow instead.
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