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osx yosemite

  1. I

    MacBook Pro won’t startup, recovery partition lost

    Hi community! Looking for advice... i have a MacBook Pro 2011 15” (model number A1286). Obviously this device is quite old but has been maintained well (new battery, several new hard drives in its lifetime and a few other bits). It has been working fine for a while, I mainly use it for browsing...
    • Isobelflora
    • Thread
    • hard drive internet recovery macbook 15 2011 osx yosemite recovery mode start up
    • Replies: 3
    • Forum: MacBook Pro
  2. alyousha766

    making a drive non-bootable

    Hi, Short request-i need to make an external drive non-bootable on a macbook pro running 10.10.4. long story: I have an external 2tb drive that i used to use as an internal macbook pro boot drive, i replaced it with an ssd then installed caddy to make a second internal hdd in my laptop...
  3. m4v3r1ck

    Resolved Apple Mail (coloured flags) OS X 10.10.5 <-> 10.11.3

    For the sake of testing (with SIP en/disabled) my key back-up application, I installed OS X 10.11.3 (15D21) onto an internal HDD. Installation of both the OS and Back-up application went flawless! BUT!!! After rebooting into OS X 10.10.5 (still my main OS version) I ran across an issue with the...
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