Why can I not see my full browser window on TV when connecting my MacBook through HDMI?

Sherri Pryor October 28, 2012
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When I connect my 2010 Macbook Pro to my Samsung LCD TV, I get the standard Mac solar system background, but I didn’t see my browser window on the TV. Then I noticed just the edge of it on the left side of my TV screen. If I drag the browser window to the far right on my computer screen, with just 1/4 inch left showing, I can almost get the whole browser window on the TV screen.

I saw an older post for a similar problem that said to go into System Preferences > Monitor and uncheck Mirror Images, but I can’t find that option under my display settings. I tried restarting the system, reconnecting the cables, and I’ve tried using Firefox. What am I missing? Any ideas?

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  1. Anish Parameshwaran
    February 9, 2013 at 5:07 am

    The options for Mirroring your display is located on the menu bar at the top next to the time. It'll look like two computer monitors.

  2. Naveen Kumar
    November 3, 2012 at 11:09 am

    you should check the resolution or you might have changed the zoom in option

  3. Gabriel Barron
    October 30, 2012 at 2:27 pm

    Most likely a resolution issue. If you are sharing the screen with your laptop (dual monitor) then try setting it to projector only (or tv) however it is listed and that may help you automatically get the proper resolution.

  4. Muo TechGuy
    October 30, 2012 at 11:27 am

    Sounds like you HAVENT got "mirror" checked actually.

    For an easier way, close the lid of you macbook and plug in an external keyboard mouse; when you use the mouse or keyboard, it will wake up , and automatically adjust itself to whatever is suitable for the TV.

  5. Saurav Azad
    October 29, 2012 at 5:52 pm

    adjust the mirroring resolution to your TV resolution from system preferences

  6. ha14
    October 28, 2012 at 10:52 pm

    perhaps to adjust adjust overscan, underscan in Macbook pro
    or go into system preferences, displays, then arrangements. You can also adjust your resolutions,
    http://www.usingmac.com/2008/6/19/setting-mirror-display-for-your-mac

    Just hooked up my Macbook Air to my HDTV..have questions.
    http://forums.macrumors.com/showthread.php?t=1098449

    Use Command-F1 to quickly switch between mirrored and non-mirrored displays
    https://sites.google.com/a/su.edu/mediaservices/news/usecommand-f1toquicklyswitchbetweenmirroredandnon-mirroreddisplays

    Using an external display with a MacBook
    http://www.livingdigitally.net/2006/10/using_an_extern.html

    • Anonymous
      November 1, 2012 at 2:02 am

      Thanks for your help! Now I understand that it was using the TV as the second monitor screen. My MacBook did not have the mirror option under Display, but the shortcut of Apple-F1 did the trick! Thanks again.

  7. Anonymous
    October 28, 2012 at 10:22 pm

    Maybe you can try changing your screen resolution from the system preferences app

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