Wifi problem when using external monitor...

Discussion in 'MacBook Pro' started by NowhereOutThere, Sep 12, 2012.

  1. NowhereOutThere, Sep 12, 2012
    Last edited: Sep 12, 2012

    NowhereOutThere macrumors member

    Jan 7, 2012
    I recently acquired an aluminum 20" Apple Cinema Display that I planned on using with my 13 inch MBP for long studying sessions, where the extra screen size would be welcome. However, I've noticed that when I plug into the external monitor, both Safari and Chrome become so....slow..... It's a bit disheartening, considering the amount of online homework I have this semester. :( When I am not plugged into the monitor, the speed of the connection improves drastically, as opposed to near-unusable.

    I'm running 10.8.1, if that helps.

    EDIT: Forgot to mention that this only happens when the lid is closed. Otherwise, smooth sailing.
  2. mohsy90 macrumors 65816


    Feb 4, 2011
    New York
    This has been an ongoing problem with any external display. The cause: interference. Check this thread and google around, there are a lot of threads on this topic with different solutions.
  3. huntedbyageek macrumors newbie

    Sep 14, 2013
    I had the same problem where I was using a non-apple branded minDisplayPort to DVI adapter. I bought an apple brand one for an extra $20 and now it workds perfectly. Hope that helps.

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