iMac acting up in a variety of ways

Discussion in 'iMac' started by jordancslee, Feb 13, 2011.

  1. jordancslee macrumors newbie

    Feb 13, 2011
    Hi all,

    my iMac at work (I work in the post production department of a video production company) has started acting up in a variety ways lately for no apparent reason. I'm at a bit of a loss as to what to do, but here are some of the symptoms the computer is going through:

    - Video uploads to Vimeo and YouTube fail on multiple browsers (normally I wouldn't attribute this problem to my iMac, but other computers in our office on the same network don't have this problem, so it's not our network or the video sites' fault)

    - When trying to back to an external hard drive, I get this error on random files:

    - I get a similar error when trying to burn data DVDs where a seemingly random file will cause the burn to fail

    - When compressing video files through compressor, random files fail

    - Again, random files will fail when transferring to our server

    - I moved a video project (source video files, FCP project files, etc) onto my iMac to work on it - Working on the project in FCP was extremely slow with random crashing. Exports failed each time. When I tried working on the project directly from the original hard drive however, everything worked smoothly

    - Video encodes from Compressor seem to become randomly corrupt, and result in some of the above behaviour with said files

    - The computer is slower in general (Finder, Safari, etc) and tends to hang more

    I hooked up my iMac to another Mac in the office and verified (there were a few errors found) and repaired the disk through Disk Utility. After that I verified it again and no errors were found; it said the disk was healthy.

    I've been a Mac user for a number of years and have never come across these kinds of problems before. I treat my computers very well and while I run them hard (a lot of video encoding), I keep them healthy and organized.

    I realize this is a lot of vague info (please let me know if I can provide any clarification), but I would greatly appreciate any insight anyone would have on this issue.

  2. jordancslee thread starter macrumors newbie

    Feb 13, 2011
  3. bigus7674 macrumors member

    Jan 4, 2005
    do you use any diagnostic / maintenance tools such as DiskWarrior and/or Drive Genius?

    Sometimes just a simple directory rebuild with DiskWarrior or defrag with Drive Genius (or any other software of your choice) will speed up a Mac quickly.

    Especially if you're dealing with video...file fragmentation can build up awful quickly....
  4. BrianBaughn macrumors 603


    Feb 13, 2011
    Baltimore, Maryland
    Could be a networking issue with your server which could be on either end. The fact that others aren't having the issues would point to your end.

    I would review how the computer is networked, and to what, and perhaps start from scratch including deleting all related keychain items.

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