After Lion upgrade, MacBookPro has trouble wake from sleep.

After Lion upgrade, my Macbook Pro now sometimes will not wake from sleep.  If I close the lid the pulsating light pulsates. Open the lid and the pulsating light goes out and the keyboard backlight activate, screen blank and no keyboard response.

I've been looking for answers, since upgrading to lion, my problem is more of a nusance, when I close the lid on my macbook pro (15" 2.66 i7, 8GB RAM) and it goes into sleep mode, when I reopen the screen the screen backlight comes up momentarily, then goes black (screen image there, just no backlighting) nothing gets it to come out (reclose/open, clicking trackpad, any keys, etc.) except the F1 key.  Pushing the F1 "wakes" the backlighting, then I just hit the F2 to brighten it back up, I don't have any further issues until I close it again.  Granted not that big of a deal given all the issues everyone else is having with this, but still a nusance I would like to fix.  Don't know if this will work for you, but it's been working for me.
I have the same problem with my MBP 17"
Would have been nice if Apple had taken the time to respond.

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