I have a black screen at start up on my PowerBook pro. I installed lio

I have a black screen at start up on my MacBook Pro. I installed Lion and it worked fine.

emanuelbrown wrote:
@tjk Thanks! My mother-in-law (also named Barbara, ironically) started having this issue this morning, so I've been looking into this. It seems to be a fairly widespread problem which makes me think that Lion (10.7.x) has exacerbated some issue with the card that may have already been in place. from everything I've seen, its a display-only issue (no data corruption, unless you force reboot). Still very frustrating for folks though.
Actually, thank you! I'd probably still be beating my head against the wall. That did ring a bell with another link I had stored: http://arstechnica.com/apple/news/2011/08/buggy-nvidia-drivers-giving-2010-macbo ok-pro-owners-lion-upgrade-headaches.ars
Don't know if it's related or not (and don't have the inclination to read all of them right now), but there it is. Will stay tuned for any new info. Again, good work and thanks!

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