After OSX.4.11 update external monitor unresponsive+problems w/sleep etc

I've read some of the recent display problems. Here is my problem and what I've tried, my problem just started 6 hrs ago. I updated to OSX.4.11 a few days ago - eveything worked fine, yesterday I reinstalled epson printer driver as it was crashing and also yesterday I worked for several hours in iMovie 08. Nothing else unusual. This is STRANGE!
Today went to wake my MBP, 2.4 GHZ, 4GB ram, Cinema display 20", wireless keyboard/mouse up from sleep to check mail. Cinema display flickered and then changed to dark blue solid - and unresponsive. Couldn't get external display to function. Never had any problems with it. Tried to restart everything, unplug all cords, etc. Everything started up I got the log in password screen on my external cinema display - typed in my password - then saw my desktop photo for a second and the cinema display flickered to dark blue again and wouldn't change. It was unable to mount the desktop.
I went to my MPB while still connected got the screen on the MBP and saw the desktop but there were sort of black lines through the names of my folder files on my desktop. I then disconnected the cinema display, restarted just the MBP and the screen (of the MBP) that mounted was perfectly normal - no black lines through file folder names.
Then I tried various things. I assumed my cinema display was broken (almost 3 years old). But then I hooked my MBP up to an old 20" cinema display (they kind with 4:5 ratio and plastic all around), I think it uses some kind of converter to the DVI port anyway my MPB worked with that old display fine, desktop fine, but it would not stay asleep - no matter what I tried. I've never had that problem ever before.
Then I took the "newer" 3 year old cinema display (aluminum one) that I use all the time I I suspected was busted and hooked it up to my old Powerbook G4. And it mounted the desktop and worked fine!! The G4 just got updated to 10.4.11. Interesting thing is though when I closed the lid which usually made the G4 PB sleep it shut it down instead of making it sleep. Very odd.
Then I ran down to Apple store and bought new version of Disk Warrior and ran it on my MBP. I've never had anything Disk Warrior couldn't fix. It rebuilt my directory. I then hooked the MBP back up to the cinema display (aluminum) and the same thing happened I got my log in screen after startup, logged in password saw the photo desktop for a second then the cinema display went back to a dark blue screen that was unresponsive. I then ran Disk Warrior again with the cinema display attached to see what would happen. Disk Warrior mounted and I saw the whole process on the cinema display. The cinema display will mount disk warrior but it will not mount the MBP desktop as of 6 hours ago.
I then read these recent posts and tried a "safe" boot. I got my MBP desktop on the cinema display (aluminum) but as soon as I clicked on system prefs the cinema display went to dark blue unresponsive screen.
But the same cinema display (aluminum) works fine with the Powerbook G4 except for some issue with sleep
And the MBP works with an old plastic cinema display except again, it won't stay asleep.
But the MBP and the aluminum cinema display that I've been using together for my photo/video editing for 4 months straight now and I've never had any problems with - they won't work together as of 6 hours ago. That is when I get the dark blue unresponsive screen on the cinema display (aluminum).
Upshot is:
1) Something is up with sleep mode and the OS X.4.11 update on 2 different machines (G4 PB and MBP)
2) Something is affecting the way both the MBP and the Powerbook react with both my cinema displays. The MBP and the 20" aluminum Cinema display are the ones I need to work with and the ones that as of 6 hours ago just lock up in cinema display dark blue screen (almost black but not quite).
Is this a problem with sleep, startup or DVI output and OS X.4.11?
What can I do about it? I need to use my 20" aluminum cinema display it is clearly the better one of my 2 cinema displays. And even if I switch to my 20" older plastic apple cinema display the computer won't stay asleep any longer?
Please, Please I need some help.
Also since this is happening on 2 separate machines and 2 separate monitors there is something odd going on.
Apple tech people, is there a major problem with .11 and sleep and external displays?
Sincere Thanks, Carol
PS Note, I tried all this numerous times with both bluetooth and regular wired keyboards/mice along with MBP and PB keypads.
Message was edited by: oceangrant
Message was edited by: oceangrant

Sorry please forgive me, I'm so exhausted I posted this in MacBook instead of MacBook Pro, I'll try to move it but if I can't I'll try to copy it and post in MacBook Pro, regardless I think there is a problem with the .11 update.
Thanks, C

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