Sleep problem with ext monitor

When the ext monitor is connected closing the lid causes does not put the computer to sleep, but into some kind of an unconscious mode (no pulsing light or fan), from which it won't wake. I have to push the PB for several secs and then wait a few more to push the PB again to reboot - usually successful. Any suggestions?

If you disconnect the external monitor, does the MacBook Pro act normally when it wakes from sleep?
Hook up the external monitor and try booting into the Safe Mode. Shut down the computer and then power it back up. Immediately after hearing the startup chime, hold down the shift key and continue to hold it until the gray Apple icon and a progress bar appear. The boot up is significantly slower than normal. This will reset some caches, forces a directory check, and disables all startup and login items, among other things. If the system operates normally, there may be 3rd party applications which are causing a problem. Try deleting/disabling the third party applications after a restart. For each disable/delete, you will need to restart if you don't do them all at once.
Safe Mode
Safe Mode - About
Apple support article:
Video Troubleshooting Internal and External Monitors

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Dear Bill,
thanks for your answer and your article. I tried with your NTSC 4:3 720x480 PAR 0.9 and, "magically", no more problem!!! I used the script pocedure in Photoshop CS4 to resize my images. Now, before starting my workflow and hoping not to overuse your patience, I would like to indicate you my equipment and my target: I use a Canon Eos 7D (generally for still images, 90% are vertical, and just some videos) and I use Premiere Pro CS4 to burn a dvd (normal, 4.7 Gb or double side, more than 8 Gb) with a 16.9 lcd tv (I'm Italian); my camera save as .jpg and .raw (but why use heavy .raw files if I've to redute to 720x480?!??).
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I was once jokingly going to post about never shining flashlight at the ACD simply because you can then see every smudge and smear on the glass It would then start to drive you nuts trying to get 'em all off!
\[Heh, I guess now everyone reading this thread it now pulling out flashlights \]

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Mine's a late '09, but there have been display issues with iMacs.
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A new Mac comes with 90 days of free tech support from AppleCare.
AppleCare: 1-800-275-2273
Call AppleCare. They will help you.
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Hi!
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How about trying a native Mac app like iDraw http://www.indeeo.com/idraw/

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Sleep problem with ext monitor

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