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  1. #1


    Member Since
    Apr 19, 2007
    Posts
    11
    Specs:
    MacBook White, Intel Core Duo 2.0 GHz, 2 GB Ram, 100GB HD
    Unable to read DVD
    Hey everyone,
    my PowerPC G5 just started having this problem a few days ago.

    I popped in a store bought DVD into my computer it automatically says (and never mounts):
    "the disk you inserted was not readable by this computer"
    This particular disk has worked in the past and still works in other DVD players.
    The disk currently works on my computer when I use VLC, so I know the drive isn't busted, it's something software related. It reads CDs fine, and I can even create DVDs in this drive, it just won't read DVDs. Also, it will read my os x DVD, just not movies.

    I've tried (to no avail):
    updating all software
    resetting/zapping the NVRAM and the PRAM
    mounting the disk with disk utility
    verifying and repairing the disk with disk utility

    I don't know what else to do! Please help!!

  2. #2

    narf1899's Avatar
    Member Since
    Feb 05, 2007
    Posts
    465
    Specs:
    iMac 20" C2D 2.4 ghz 2gb iMac 20" C2D 2GB 256MB Graphics Macbook C2D 2GB Powermac G4 Dual 450
    hmm....are u out of warranty? sounds like a hardware problem apple can fix....worst comes to worst, get an external drive
    iMac Aluminum 20" 2.4 ghz 2gb RAM 300gb HD
    iMac 20" Core2duo 2gb 250gb
    Macbook White Core2duo 2gb 80gb
    Powermac G4 dual 450

  3. #3


    Member Since
    Jan 27, 2007
    Location
    *Brisvegas*
    Posts
    5,658
    Specs:
    17 inch 2 GHz C2D imac (5,1) with 3GB DDR2 RAM, X1600 (128MB memory) GPU - OSX 10.6.3
    I had that exact problem. And I did a full hard drive permissions repair and it fixed the problem.

    And I have to do it every so often ad the problem reappears. But it's no biggie. Thigs could be worse.

  4. #4


    Member Since
    Oct 01, 2004
    Posts
    3,378
    Do you use Lexar USB flash drives? Some of them install software that can mess up your ability to read DVDs. Do a search for LexarFilterScheme.kext on your computer, delete that file if you have it, then your DVD drive will work.

  5. #5


    Member Since
    Apr 19, 2007
    Posts
    11
    Specs:
    MacBook White, Intel Core Duo 2.0 GHz, 2 GB Ram, 100GB HD
    thanks for your help so far!

    I tried repairing permissions... to no avail
    I do have a lexar flash drive, but I couldn't find that file, would there be any other files that might interfere?

  6. #6

    SmokingFetus's Avatar
    Member Since
    Oct 07, 2005
    Posts
    86
    Not sure where you were looking but this is the directory path for the kext file.

    /System -> Library -> Extensions -> LexarFilterScheme.kext

  7. #7


    Member Since
    Apr 19, 2007
    Posts
    11
    Specs:
    MacBook White, Intel Core Duo 2.0 GHz, 2 GB Ram, 100GB HD
    that worked!! Thank You Thank You Thank You

  8. #8


    Member Since
    Apr 04, 2013
    Posts
    1
    5 years after...

    macbook pro retina with mountain lion 10.8.3:
    i had exactly this problem ( dvd - usbsticks - bd ) and could not find the solution for months.

    thank you thank you !

    perhaps apple could do better in collecting such hints ...

  9. #9

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Keller, Texas
    Posts
    50,202
    Specs:
    Late 2013 27" iMac, iPad 3, iPhone 6s+, iPhone 6+, 3 iPods, Sierra
    perhaps apple could do better in collecting such hints ...
    Not an Apple problem! The problem and fault belongs to Lexar and their poor testing and implementation. Avoid buying Lexar flash drives in the future.

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