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  1. #1

    Member Since
    Oct 20, 2009
    WD external hardrive won't mount
    hey guys,

    so this morning i found my external harddrive wouldn't mount on my macbook pro

    its a Western Digital my passport 500 gig USB

    I tried repairing it in disk utility but i got this message

    Verify and Repair disk “COLIN2”
    ** /dev/disk1s1
    ** Phase 1 - Read FAT
    ** Phase 2 - Check Cluster Chains
    ** Phase 3 - Checking Directories
    Unable to read directory (Input/output error)
    Error: The underlying task reported failure on exit

    1 non HFS volume checked
    1 volume could not be repaired because of an error

    I'm not really sure what this means exactly but I think I'm savvy enough to figure out its not good.

    any ideas on what i should proceed with next to try to make it work again or recover my files.

    most of what was on there is backed up elsewhere but there's some stuff I'd like to retrieve. more than anything I'd like to have use of the harddrive back.

    is there anyway to get it back that would be cheaper than just getting a new one?

    I'm not really looking forward to the hassle of replacing the lost files but it's nothing worth spending alot for an expensive data recovery.

    that said, any suggestions or help at all would be greatly appreciated.


  2. #2

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Keller, Texas
    2017 27" iMac, 10.5" iPad Pro, iPhone 6s+, iPhone 7+, Numerous iPods, High Sierra
    The drive may be defective. When did you purchase it? Western Digital normally warrants their drives for 3 years. You might want to give them a call and see if they will issue you an RMA and swap it out for a new one.

    As far as getting your data back, you're probably going to have to spend some money for recovery software. I recommend Data Rescue 3. You can download a trial version to see if it can get your data back. If it does, purchase a license. $99 Well worth it.


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