How to fix mac os x 10.8 mountain lion HDMI not working

how to fix mac os x 10.8 mountain lion HDMI not working

You can't install OS X on a PC. Buy a Mac and you can install Windows on it in a second partition.

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  • HT1338 how to upgrade mac 10.8.5 to mountain lion

    I have mac 10.8.5. I use Firefox and it says my system cannot be updated anymore. How do I upgrade my computer?

    The most recent update for OS X Mountain Lion is 10.8.2.  I have no idea what you are referring to a "mac 10.8.5" as that is neither a valid OS X release number (yet) nor does it seem to be a firmware number.  Your profile says you have an iMac running 10.5.8??
    Exactly what model of Apple computer are you using, and what version of OS X is it running?
    If you are running an iMac older than a mid-2007 model it cannot run OS X 10.8 (see http://support.apple.com/kb/HT5444).

  • Does anyone know how to fix my 2010 macbook air the keyboard and mouse not working

    keyboard and mouse not working on macbook air ?

    Hi aaphillylawyer,
    Welcome to Apple Support Communities.
    The article linked below provides some general troubleshooting tips that may resolve the issue with the keyboard on the MacBook Air.
    Mac OS X 10.6: If keys on your keyboard don’t work
    http://support.apple.com/kb/PH6748
    I hope this helps.
    -Jason

  • How to fix missing icons after upgrade to mountain lion

    Any experience with this problem: all my icons are missing in any aplication: in finder/safari etc no icon left to the omnibox, only empty spaces, and no visible computers on the left in the finder window...
    resetted ram's but no change,
    any clue?

    If restarting does not fix this, you will have to install Mountain Lion again. You can try creating a new user and see if the problem reproduces with that user before reinstalling, but for what I've seen, it won't work.

  • How to fix my iphone 3gs bottem row of my screen not working

    a while ago i encountered my iphone 3gs screen problem. its like : workes everything but bottem row over the home button not working ... sum body please help me... i cant gt access to my fone unless i gt access to bottem row. coz my phone lock consistes 0
    please some body help me in fixing this problem

    Hi there kiran kirk,
    You may find the troubleshooting steps in the article below helpful.
    iPhone, iPad, iPod touch: Troubleshooting touchscreen response
    http://support.apple.com/kb/ts1827
    -Griff W. 

  • Mountain Lion OS not working on Mac Book Pro

    I just downloaded Mountain Lion and now when I open the lid on my Macbook Pro, My screen stay black, keyboard doesn't light up and the hard drive doesn't spin. Worked fine prior to downloading the new OS. Any fixes for this? Updated all software prior. Tell me this isn't the price I have to pay just to use Icloud with my new I phone.

    What model identifier is your MacBook Pro? To see this, hold the Option key and choose "System Information" from the Apple menu, and then click "Hardware" (this should be selected by defualt) followed by noting the Model Identifier which should be something like "MacBookPro6,2."
    Does the system properly wake from sleep if you boot it to Safe Mode (hold the Shift key at startup to do this)?

  • How to fix the problem in the home button , it's not working.

    I notice few weeks ago that the home button is not responding as it should be.
    It’s really killing me and I want to destroy my IPhone.
    I’ve already re-activated the home button but there is no use of that.
    I am in middle east and I got my white I phone 4 by shipping in internet.
    So what to do now?

    Should be under warranty take it back to any Apple store and they should clean the dust or debrib from it, remember to make an appointment first to see a Genius. (it's what I did)
    Hope you get it all sorted and all is fine.
    @it

  • Numbers does not open with the main user after installing mountain lion. It works flawlessly when I use the second account on my mac. What got corrupted in the admin-account, something in the user-library? How can I fix it? I´m kinda desperate...

    Numbers does not open with the main user after installing mountain lion. It works flawlessly when I use the second account on my mac. What got corrupted in the admin-account, something in the user-library? How can I fix it? I´m kinda desperate... (the same happens with the other iWork-Apps!)
    Looking forward to hearing from somebody with a littlemore expertise than me, Chris

    you can remove preferences files by navigating to the Preferences folder for your user as follows:
    0) Quit ALL iWork apps (Keynote, Pages and Numbers)
    1) from the Finder select the menu item "Go > Go To Folder…".  This will bring up a dialog:
    2) enter the path "~/Library/Preferences" (no double quotes)
    3) find the files:
    com.apple.iWork.Keynote.plist
    com.apple.iWork.Numbers.plist
    com.apple.iWork.Pages.plist
    and move these to the trash.  I would NOT empty until later.
    4) restart Numbers

  • I have a brand new Mac. How do I do the free upgrade to Mountain Lion?

    I have a brand new Mac. How do I do the free upgrade to Mountain Lion?

    http://www.apple.com/osx/uptodate/
    fill out the form

  • How can I get Mac Mini to accept bootable installers for Mountain Lion ? They work fine on MB-Pro

    I've had a Mac Mini (late 2012) for the past week and need to do a complete reinstall to get rid of very mucked up Server.app settings that I can't get rid of even though I uninstalled Server.app and what I thought were all of its Library files. I need to get the Mac Mini back to pristine, factory default to start over. Then I'll be able to put Server.app into a VM so I can trash it if need be without mucking up the rest of my system.
    I have both a bootable recovery partition on an external hard drive (My Book firewire) and a USB bootable installer with a fresh edition of Mountain Lion. I know the USB installer works just fine because I used it to do a clean install of my MacBook-Pro just last night. Went like a charm.
    When I start up the Mac Mini with the option key held down, everything seems fine -- I see both the USB drive and the My Book's 2 volumes (1 for data, 1 for the Recovery partition). But when I select either the USB drive or the My Book Recovery partition as the start-up drive, I get a screen with a circle with a line across (the no-entry traffic sign), with no way to go back or forward. So the computer has to be rebooted.
    Any suggestions as to how to get the Mac Mini to recognize bootable installers that MacBooks are able to see?

    Late 2012 Mac mini uses a special Mountain Lion version that it's only compatible with this Mac and you can only get on Internet Recovery because it's not available in the App Store. If you want to reinstall Mountain Lion, press Command, Option and R keys while your computer is starting

  • I upgraded my mac book pro to sox mountain lion to v10.8 and have subsequently lost my email edit button which allowed me to mark lots of emails for me delete en masse. I now have to delete each one individually, can someone advise how to get it back pls.

    I Recently updated my mac book pro to sox mountain lion v10.8 and appear to have lost my email edit button which allowed me mark multiple emails then delete those marked en masse. I now have to delete individually. Can any one advise how to correct this please. Thanks.

    MacBook Pro
    https://discussions.apple.com/community/notebooks/macbook_pro 
    https://discussions.apple.com/community/mac_os?view=discussions
    http://www.apple.com/support/macbookpro

  • In iTunes 11.1 (I26) , I cannot find how to delete podcast listings showing undownloaded podcasts. Delete does not work. Option Delete does not work.  Dragging to the trash does not work. Under Edit, Delete is greyed out. Mac OS 10.6.8

    in iTunes 11.1 (I26) , I cannot find how to delete podcast listings showing undownloaded podcasts. Delete does not work. Option Delete does not work. Dragging to the trash does not work. Under Edit, Delete is greyed out. Mac OS 10.6.8.
    Tom at the Genius Bar told me that Option Delete would work. It does not.
    I had to upgrade to iTunes 11.1.(I26) because it is required with OS7 on my iPod Touch (5th Gen). I have tried shutting down iTunes, then shutting down the entire system. This is the first in many visits that the Genius Bar gave me a solution that did not work.
    This is a big awkward computer locked to my desk. I would rather not unlock it and then carry it through a shopping center to the Genius Bar if i can avoid oit.
    When I installed iTunes 11.1, I discovered that Ihad to resubscribe to virtually all of the podcasts that I had previously been subscribed to. That was a surprise.

    Hello Achates:
    I did not read the rather long post. If you wish to reinstall OS X 10.4, use your software install DVD. Backup is essential. To minimize your risk, I would use an archive and install:
    http://docs.info.apple.com/article.html?artnum=107120
    In that way, you will have a fresh copy of OS X and your current settings will be preserved.
    Incidentally, I do not agree that the printer problem is best solved by reinstalling OS X. I have had HP printers for sometime and, on one occasion, had difficulty after an upgrade. HP technical support walked me through uninstalling all traces of the HP driver and then reinstalling.
    Barry

  • How can I edit iCal server addresses in Mountain Lion? I keep getting an error with regards to my google calendar and I understand that the way to fix the problem is adjust the server address, but I cannot access it because the preferences are restrictive

    How can I edit iCal server addresses in Mountain Lion?
    I keep getting an error message with my google calendar, and I heard that if I delete the extra slash at the end of the address the problem will be fixed. But the iCal account preferences take me to system preferences > accounts every time I want to edit the account.
    Does anyone know where I can edit the server address?

    You should ask in the iCloud forum, this is for iMacs. https://discussions.apple.com/community/icloud/icloud_on_my_mac

  • How to make Mac Mini (Early 2009) sleep in Lion?

    After upgrading to Lion, my Mac Mini (Early 2009) stopped going to sleep from the Apple menu or from the keyboard. The problem has persisted with all point releases of Lion. The computer went to sleep with the same peripherals just fine under Snow Leopard.
    The display goes to sleep but the computer itself neither suspends nor hibernates. The power light is lit and doesn't pulsate. Measuring how many watts the device draws from the power socket shows that it's not sleeping. It wakes up so quickly that it must be only the display sleeping.
    Console log shows nothing when trying to sleep.
    Changing the hibernate mode from the default 3 to 25 makes no difference. Running the PleaseSleep app make no difference.
    How to put Mac Mini (Early 2009) to sleep (preferably hibernation--not just suspension) under Lion?

    Hello,
    Open console in Applications>Utilities, check the system log for the date/time of the last problem  & the Startup right after that for clues.
    One way to test is to Safe Boot from the HD, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, Test for problem in Safe Mode...
    PS. Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive
    Reboot, test again.
    If it only does it in Regular Boot, then it could be some hardware problem like Video card, (Quartz is turned off in Safe Mode), or Airport, or some USB or Firewire device, or 3rd party add-on, Check System Preferences>Accounts (Users & Groups in later OSX versions)>Login Items window to see if it or something relevant is listed.
    Check the System Preferences>Other Row, for 3rd party Pref Panes.
    Also look in these if they exist, some are invisible...
    /private/var/run/StartupItems
    /Library/StartupItems
    /System/Library/StartupItems
    /System/Library/LaunchDaemons
    /Library/LaunchDaemons

  • Do any of you guys know how to fix the: itunes cannot contact iphone software bc its not connected to internet

    do any of you guys know how to fix the: itunes cannot contact iphone software bc its not connected to internet

    Did you already try these suggestions?
    iOS: Troubleshooting Wi-Fi networks and connections

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