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Detect displays no longer working

3364 Views 7 Replies Latest reply: Oct 15, 2010 1:28 AM by zagam RSS
chess24 Level 1 Level 1 (0 points)
Currently Being Moderated
Aug 24, 2010 7:12 AM
Before my upgrade to 10.6.4 and the trackpad problem I was able to detect my 42" viera screen from my Macbook. The WinTosh still does this with the same cable but the Macbook's aboility to do this has died. Can it be resurrected?
Macbook, Mac OS X (10.6.4)
  • b leo Level 1 Level 1 (135 points)
    Currently Being Moderated
    Aug 25, 2010 3:45 AM (in response to chess24)
    What happens when you try to do it now? Nothing? An error?
    MacBook 7,1, Mac OS X (10.6.4), Mac Pro (8-core Xeon, 32GB RAM, 4TB HDD, ATI 4870)
  • b leo Level 1 Level 1 (135 points)
    Currently Being Moderated
    Aug 25, 2010 4:31 AM (in response to chess24)
    How is the display connected?
    MacBook 7,1, Mac OS X (10.6.4), Mac Pro (8-core Xeon, 32GB RAM, 4TB HDD, ATI 4870)
  • Christopher Graham5 Level 1 Level 1 (10 points)
    Currently Being Moderated
    Aug 29, 2010 12:02 AM (in response to chess24)
    I also connect detect the external display on a Macbook using either of the two mini cables for DVI and DSUB. Worked forever until I disconnected and reconnected. I have reset the PRAM swapped cables and tested the monitor.
    Mini - MacBook, Mac OS X (10.6.4)
  • zagam Level 1 Level 1 (5 points)
    Currently Being Moderated
    Oct 15, 2010 1:18 AM (in response to chess24)
    I just got a new 1440x900 15" MBP, bumped to 10.6.4, etc. before using it. It could not detect display with "Detect Displays" or even by re-booting.

    I managed to snag race timing by putting it to sleep and then waking it up when my monitor was ready.

    Now have 1400x900 on my 1400x1050 display with Mirror Displays.

    These racy things are a bit nasty. I hope they fix it properly and permanently by addressing such bugs with policy.
    POWER, Other OS, Debian GNU/Linux
  • zagam Level 1 Level 1 (5 points)
    Currently Being Moderated
    Oct 15, 2010 1:28 AM (in response to chess24)
    I noted that the Nvidia 'n' is now running rather than Integrated 'i' graphics.
    (See <http://codykrieger.com/gfxCardStatus/>.)

    Have always had automatic graphics switching in energy saver.

    Dual displays may have a big impact on battery life. Keep it plugged in.

    Turning graphics switching off (which turns Nvidia on) may work too, but remeber to set it back for battery.
    POWER, Other OS, Debian GNU/Linux

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