HDD goes read only randomly

Discussion in 'OS X Yosemite (10.10)' started by zbest56, Apr 13, 2015.

  1. zbest56 macrumors newbie

    Aug 3, 2013
    Ever since upgrading to yosemite on my MBP when it came out, I have had an ungodly annoying glitch. Basically at random points, my hard drive essentially becomes read only. Most applications work fine, but others simply do not. Google chrome will give me the aw snap error on every page, and i am unable to delete or move files. If I try downloading a file from safari, it says I simply don't have enough disk space, even though I have a 1TB hard drive, and I'm barely using 25gb(I'm on a fresh install atm). I have reinstalled more times than i can count, and because of software requirements(Im a music producer), I need to keep my OS somewhat updated. I have tried repairing disk permissions, and repairing the disk through disk utility, the HDD I have is relatively new, I replaced it after a failure last year, but that wouldn't have anything to do with it since mavericks works fine. Any help on this issue would be much appreciated.
  2. Taz Mangus macrumors 68040

    Taz Mangus

    Mar 10, 2011
    Boot into safe mode (hold down the shift-key while booting) and see if you experience the same issues.
  3. zbest56 thread starter macrumors newbie

    Aug 3, 2013
  4. Rohirm macrumors member

    Aug 25, 2010
    Check the hard drive SMART status if it has any errors which causes it to go read only.
  5. simonsi macrumors 601


    Jan 3, 2014
    I had this a couple of weeks ago, caused by the SATA cable. DriveDX reported errors. 10min fix to change it.

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