Forum Question: How to make sleep to extra monitor

My extra monita doesn’t sleep even after I put my Mac book pro to sleep mode after I’ve done my work. This happen after installing new Lion.
I asked Mac support, but they still don’t have the solution.
Please let me know if you have any idea.
Sai HUK Chone

Comments: 4 Responses to “How to make sleep to extra monitor”

    8/25/11 @ 2:28 pm

    Do you have other peripherals attached as well? USB?
    How is the external monitor attached? DVI? Mini DisplayPort? Thunderbolt?

    8/25/11 @ 7:41 pm

    I’m connecting by Mini display port to extra monita.
    I’m also using USB port to my external USB Hard disk and also Fire wire 800 Port to other hard disk.

      8/25/11 @ 7:44 pm

      Experiment with each one to find out which one is keeping the Mac awake.

    8/25/11 @ 10:04 pm

    My Mac book pro goes to sleep mode when I make sleep. But the problem is after my Mac Book pro sleep, my extra monitor become like a desktop, all menu docks comes up and doesn’t go to sleep mode. I think if I have extra mouse connect, I can make sleep to extra monitor. But I didn’t have this problem with old tiger system.

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