Why won't my Mac 0S 10.6.8 mail open?

Why won't my Mac OS 10.6.8 mail open?

Have no clue?
Which version are you using?
Please detail ALL you have done so far in the way of troubleshooting?   Need this info to avoid the been there done that scenarios.

Similar Messages

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    A friend of mine turns out a lot of DVD's for and organization that he does photo work for and he has found
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    lechtmmgg

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    why won't my mac pro let me reset my security questions?

    Solution may be found if you search in the "More Like This" section over in the right column. 

  • Why won't my mac open gov. websites?

    why won't my mac open gov. websites?

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    See here for answer from Linc on invalid certificates.
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    Annoying same with my Android Samsung devices which will when I am in Windows.
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      MacBook Pro
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    https://discussions.apple.com/community/mac_os?view=discussions
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    Why won't my Mac Pro load things or let me do a "save as" without locking up ? I have tried to run the Apple Hardware Test and it locks up as well.

    you have anitebook in forum for 65lbs towers
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    Why won't my Mac Pro go to sleep?

    Hi X,
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    com.apple.FolderActions.folders.plist
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  • Why won't my mac desktop play games on Pogo?

    Why won't my mac desktop play games on Pogo?  I downloaded adobe flash and can only get one game to load.  I tried turning off the firewall and still nothing.  HELP..imma new MAC user.

    There seems to be a solution in this thread:
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  • Why won't my Mac Pro sleep after Lion is installed?

    Why won't my Mac Pro sleep after Lion is installed?

    Tell us, what hardware add ons?
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  • Why won't my Mac recognize Verbatim Dual Layer blank DVDs?

    Why won't my Mac recognize Verbatim Dual Layer blank DVDs?
    I've just completed a 140 minute project in FCP. I've encoded an MPEG2 file that is 5.75GB in size. Brought into DVDSP and am trying to burn the DVD.
    I have Final Cut Studio 1, latest updates and everything.
    Because of the 5.75GB size I need to burn to Dual Layer DVD. I have Verbatim 4x 8.56GB dual layer DVDs.
    When I click buld/burn and pop in a dual layer DVD I get an error saying "please insert compatible disc".
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    I bought this Mac Pro about 4 months ago and it is the 2 x 2.66Ghz Dual Core Intel Xeon machine and the DVD drive (according to system profiler) is a Pioneer DVD-RW DVD-111D. In system profiler it says "Pioneer DVD-RW DVD-111D"
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    If you have access to a pc into which you can install the 112, or if you have bootcamp, you can replace the Apple supplied firmware with Pioneer firmware. This should restore full functionality to the drive. The latest Pioneer firmware for the drive is version 1.21 and can be found here: http://www.cdrinfo.com/Sections/Firmware/SingleModel.aspx?DriveId=1426
    mac pro, dual 1.25 g4 - Pioneer 111d, LG H10, Plextor 716UF, LG 4163,Pioneer 112   Mac OS X (10.4.10)   dell 9200, dell xps 400 Benq 1650, Plextor Premium

  • Why won't my Mac with Mountain Lion OS recognise my external Samsung hard drive?

    Why won't my Mac with Mountain Lion OS recognise my external Samsung hard drive?

    Launch/Utilities/Terminal and enter this command at the prompt:
    diskutil list
    Press return.
    If it sees the disk, note the number of the disk (far left column) you want to mount.
    Then, enter this command:
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    Put in the number no parenthesis.
    Press Return.
    If that doesn't wortk try the same with this command...
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  • Why won't my Mac detect my iPhone which was just upgraded to iOS 6.1.  My other phone still at 6.0.1 is detected just fine.

    Why won't my Mac detect my iPhone 4 which was just upgraded to iOS 6.1.  My other iPhone 4 is still at 6.0.1 and is detected just fine.  Is anyone else having this problem?  Everything was working ok before the upgrade and still works except for the detection.  Coincidence?

    After 4 updates to Xcode it started to connect again.  Now it's working fine.

  • Why won't my Mac, with Mountain Lion installed boot up?

    I had problems getting my Mac to boot so I made a Genius Bar appointment at my local Apple Store.  The ran some tests and discovered a "disk i/o" error which they said indicated that my hard drive needed replacing.  Hard drive replaced, brought it home, restarted, set up, Disk Utility run (permission checks out, disk checks out), Time Machine back up loaded and still all I get is the grey screen with the apple logo and the spinning wheel (not beach ball).  Why won't it boot up?  Any ideas???

    Take each of these steps that you haven't already tried. Stop when the problem is resolved.
    Step 1
    The first step in dealing with a boot failure is to secure your data. If you want to preserve the contents of the startup drive, and you don't already have at least one current backup, you must try to back up now, before you do anything else. It may or may not be possible. If you don't care about the data that has changed since your last backup, you can skip this step.   
    There are several ways to back up a Mac that is unable to boot. You need an external hard drive to hold the backup data.a. Boot into Recovery by holding down the key combination command-R at the startup chime, or from a local Time Machine backup volume (option key at startup.) Release the keys when you see a gray screen with a spinning dial. When the OS X Utilities screen appears, launch Disk Utility and follow the instructions in this support article, under “Instructions for backing up to an external hard disk via Disk Utility.”
    b. If you have access to a working Mac, and both it and the non-working Mac have FireWire or Thunderbolt ports, boot the non-working Mac in target disk mode by holding down the key combination command-T at the startup chime. Connect the two Macs with a FireWire or Thunderbolt cable. The internal drive of the machine running in target mode will mount as an external drive on the other machine. Copy the data to another drive. This technique won't work with USB, Ethernet, Wi-Fi, or Bluetooth.
    c. If the internal drive of the non-working Mac is user-replaceable, remove it and mount it in an external enclosure or drive dock. Use another Mac to copy the data.
    Step 2
    Press and hold the power button until the power shuts off. Disconnect all wired peripherals except those needed to boot, and remove all aftermarket expansion cards. Use a different keyboard and/or mouse, if those devices are wired. If you can boot now, one of the devices you disconnected, or a combination of them, is causing the problem. Finding out which one is a process of elimination.
    If you've booted from an external storage device, make sure that your internal boot volume is selected in the Startup Disk pane of System Preferences.
    Step 3
    Boot in safe mode. Note: If FileVault is enabled, or if a firmware password is set, or if the boot volume is a software RAID, you can’t do this. Post for further instructions.
    Safe mode is much slower to boot and run than normal, and some things won’t work at all, including wireless networking on certain Macs.
    The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
    When you boot in safe mode, it's normal to see a dark gray progress bar on a light gray background. If the progress bar gets stuck for more than a few minutes, or if the system shuts down automatically while the progress bar is displayed, your boot volume is damaged and the drive is probably malfunctioning. In that case, go to step 5.
    If you can boot and log in now, empty the Trash, and then open the Finder Info window on your boot volume ("Macintosh HD," unless you gave it a different name.) Check that you have at least 9 GB of available space, as shown in the window. If you don't, copy as many files as necessary to another volume (not another folder on the same volume) and delete the originals. Deletion isn't complete until you empty the Trash again. Do this until the available space is more than 9 GB. Then reboot as usual (i.e., not in safe mode.)
    If the boot process hangs again, the problem is likely caused by a third-party system modification that you installed. Post for further instructions.
    Step 4
    Sometimes a boot failure can be resolved by resetting the NVRAM.
    Step 5
    Launch Disk Utility in Recovery mode (see Step 1.) Select your startup volume, then run Repair Disk. If any problems are found, repeat until clear. If Disk Utility reports that the volume can't be repaired, the drive has malfunctioned and should be replaced. You might choose to tolerate one such malfunction in the life of the drive. In that case, erase the volume and restore from a backup. If the same thing ever happens again, replace the drive immediately.
    This is one of the rare situations in which you should also run Repair Permissions, ignoring the false warnings it may produce. Look for the line "Permissions repair complete" at the end of the output. Then reboot as usual.
    Step 6
    Boot into Recovery again. When the OS X Utilities screen appears, follow the prompts to reinstall the OS. If your Mac was upgraded from an older version of OS X, you’ll need the Apple ID and password you used to upgrade.
    Note: You need an always-on Ethernet or Wi-Fi connection to the Internet to use Recovery. It won’t work with USB or PPPoE modems, or with proxy servers, or with networks that require a certificate for authentication.
    Step 7
    Repeat step 6, but this time erase the boot volume in Disk Utility before installing. The system should automatically reboot into the Setup Assistant. Follow the prompts to transfer your data from a backup.
    Step 8
    A dead logic-board battery in a Mac Pro can cause a gray screen at boot. Typically the boot failure will be preceded by loss of the startup disk and system clock settings. See the user manual for replacement instructions.
    Step 9
    If you get this far, you're probably dealing with a hardware fault. Make a "Genius" appointment at an Apple Store to have the machine tested.

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