macbook pro mid 2010 freezes when open mail

Discussion in 'MacBook Pro' started by Lightnin Rick, Apr 16, 2017.

  1. Lightnin Rick macrumors member

    Joined:
    Oct 18, 2007
    Location:
    BCC AZ
    #1
    Hey all My MacBook Pro works fine until i open mail and it freezes with wide black horizontal lines.
    Screen Shot 2017-04-16 at 7.52.16 AM.png
     
  2. Lightnin Rick thread starter macrumors member

    Joined:
    Oct 18, 2007
    Location:
    BCC AZ
  3. Sanpete macrumors 68020

    Joined:
    Nov 17, 2016
    Location:
    Utah
    #3
    Is it only when you open Mail? When did it start happening, relative to software updates?
     
  4. Lightnin Rick thread starter macrumors member

    Joined:
    Oct 18, 2007
    Location:
    BCC AZ
    #4
    A few days before the last sierra update. I am only using about half of the SS HD too
     
  5. Sanpete macrumors 68020

    Joined:
    Nov 17, 2016
    Location:
    Utah
    #5
    Does it always happen when you open Mail?

    How many times has it happened?
     
  6. Lightnin Rick thread starter macrumors member

    Joined:
    Oct 18, 2007
    Location:
    BCC AZ
    #6
    yes it only happens when I open mail.
     
  7. Sanpete macrumors 68020

    Joined:
    Nov 17, 2016
    Location:
    Utah
    #7
    If it reliably happens only when you open Mail, it may help to back up your SSD and do a clean install of the OS. Either something is corrupted, which would hopefully be fixed with a clean install, or you have a conflict with some other program, which would be discovered if you don't immediately add back unusual software you may be running. It doesn't seem likely to be a hardware issue of only Mail triggers it, assuming you're also running other normal stuff.

    It's possible that Sierra isn't working as well on older machines too, in which case moving back to an older OS might work. But you're the only one I've seen with this particular complaint.
     

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