Macbook Pro Retina 15", Mid 2012 - High Speed HDMI Cable

I got  a High Speed HDMI Cable with Ethernet that supports up to 4096 x 2160 pixels. I conncted  my macbook pro retina 15" to a 27" monitor that supports a resolution of 2560 x 1440 via this cable, but the maximum resolution it's 1080p.
I am pretty sure that the video card supports this kind of resolution since it's NVIDIA GeForce GT 650M 1024 MB and HDMI Cable to.
I am a web - front end developer and I have a windows machine and I need to switch betweed the 2 for testing.
Does anybody have a solution for this?

I got  a High Speed HDMI Cable with Ethernet that supports up to 4096 x 2160 pixels. I conncted  my macbook pro retina 15" to a 27" monitor that supports a resolution of 2560 x 1440 via this cable, but the maximum resolution it's 1080p.
I am pretty sure that the video card supports this kind of resolution since it's NVIDIA GeForce GT 650M 1024 MB and HDMI Cable to.
I am a web - front end developer and I have a windows machine and I need to switch betweed the 2 for testing.
Does anybody have a solution for this?

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      [loaded] com.oracle.java.Java-Updater.plist Support
    User Launch Agents: ?
      [loaded] com.adobe.ARM.[...].plist Support
    User Login Items: ?
      iTunesHelper
      AdobeResourceSynchronizer
    Internet Plug-ins: ?
      OVSHelper: Version: 1.1 Support
      Default Browser: Version: 537 - SDK 10.9
      Flip4Mac WMV Plugin: Version: 3.2.0.16   - SDK 10.8 Support
      AdobePDFViewerNPAPI: Version: 11.0.07 - SDK 10.6 Support
      FlashPlayer-10.6: Version: 15.0.0.152 - SDK 10.6 Support
      DivX Web Player: Version: 3.2.1.977 - SDK 10.6 Support
      Silverlight: Version: 5.1.10411.0 - SDK 10.6 Support
      Flash Player: Version: 15.0.0.152 - SDK 10.6 Support
      QuickTime Plugin: Version: 7.7.3
      SharePointBrowserPlugin: Version: 14.4.3 - SDK 10.6 Support
      AdobePDFViewer: Version: 11.0.07 - SDK 10.6 Support
      JavaAppletPlugin: Version: Java 7 Update 65 Check version
    Safari Extensions: ?
      AdBlock-2
      Social Fixer-2
    Audio Plug-ins: ?
      BluetoothAudioPlugIn: Version: 1.0 - SDK 10.9
      AirPlay: Version: 2.0 - SDK 10.9
      AppleAVBAudio: Version: 203.2 - SDK 10.9
      InstantOn: Version: 7.1.2 - SDK 10.8 Support
      iSightAudio: Version: 7.7.3 - SDK 10.9
    iTunes Plug-ins: ?
      Quartz Composer Visualizer: Version: 1.4 - SDK 10.9
    User Internet Plug-ins ?
      CitrixOnlineWebDeploymentPlugin: Version: 1.0.105 Support
    3rd Party Preference Panes: ?
      Flash Player  Support
      Flip4Mac WMV  Support
      Java  Support
      Perian  Support
    Time Machine: ?
      Mobile backups: OFF
      Auto backup: NO - Auto backup turned off
      Volumes being backed up:
      Macintosh HD: Disk size: 464.96 GB Disk used: 220.23 GB
      Destinations:
      INDIGO | 3TB [Local] (Last used)
      Total size: 3 TB
      Total number of backups: 6
      Oldest backup: 2013-09-07 14:25:04 +0000
      Last backup: 2014-08-05 15:01:54 +0000
      Size of backup disk: Excellent
      Backup size 3 TB > (Disk size 464.96 GB X 3)
      Time Machine details may not be accurate.
      All volumes being backed up may not be listed.
    Top Processes by CPU: ?
          3% WindowServer
          2% hidd
          0% librariand
          0% ubd
          0% mds_stores
    Top Processes by Memory: ?
      164 MB mds_stores
      164 MB Safari
      98 MB com.apple.IconServicesAgent
      49 MB ocspd
      49 MB Dock
    Virtual Memory Information: ?
      5.71 GB Free RAM
      1.36 GB Active RAM
      256 MB Inactive RAM
      703 MB Wired RAM
      265 MB Page-ins
      0 B Page-outs

    If this started happening without your having made any changes and without a warning of low disk space, then it's likely that the startup drive, or some other hardware component, is failing. Back up all data immediately, then make a "Genius" appointment at an Apple Store to have the machine tested.
    There are ways to back up a computer that isn't fully functional. Ask if you need guidance.

  • My macbook pro runs slow, iTunes videos keep stuttering. Nothing has worked to solve this issue. Macbook Pro 13-inch mid 2012 2.5GHz i5 with 8GB RAM upgrade.

    Hello everyone.
    I have been having this issue for a few months now and nothing works to resolve it. The biggest issue is that iTunes videos constantly stutter ever few seconds, the audio portion of the video is not effected. The most I have open at once is Safari, Skype, and iTunes, and possibly Open Office. Videos will even stutter with nothing else open other than iTunes. At times it sounds like the computer is running something in the background from hard drive noise.
    I even upgraded the RAM to 8GB and it still has this problem! Nothing looks wrong in Activity Monitor other than occasionally the memory usage spikes up to 6GB, but even then the memory pressure graph is green. I dont understand how these non-intensive programs can use that much. The hard drive is barely 1/3 full.
    Please help with a solution as nothing has worked so far. Thanks!
    Macbook pro 13-inch mid 2012
    2.5GHz dual core i5
    8GB DDR3 RAM
    500GB HDD
    Intel HD graphics 4000

    Please read this whole message before doing anything.
    This procedure is a diagnostic test. It won’t solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
    The purpose of this test is to determine whether the problem is localized to your user account. Enable guest logins* and log in as Guest. Don't use the Safari-only “Guest User” login created by “Find My Mac.”
    While logged in as Guest, you won’t have access to any of your documents or settings. Applications will behave as if you were running them for the first time. Don’t be alarmed by this behavior; it’s normal. If you need any passwords or other personal data in order to complete the test, memorize, print, or write them down before you begin.
    Test while logged in as Guest. Same problem?
    After testing, log out of the guest account and, in your own account, disable it if you wish. Any files you created in the guest account will be deleted automatically when you log out of it.
    *Note: If you’ve activated “Find My Mac” or FileVault in OS X 10.7 or later, then you can’t enable the Guest account. The "Guest User" login created by "Find My Mac" is not the same. Create a new account in which to test, and delete it, including its home folder, after testing.

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