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Drive letter changing at random

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  • 18-05-2013 5:48pm
    #1
    CrazyRabbit
    Registered Users Posts: 8,659 ✭✭✭


    Anyone ever seen an issue with the Drive letter for a HDD/partition suddenly changing after a reboot?

    I just spent 20 mins trying to figure out where my H: drive had gone to. Didn't notice it had been remapped to L:

    I have a lot of internal & external drives & partitions which didn't help :D


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    #2
    coylemj
    Registered Users Posts: 25,453 ✭✭✭✭coylemj


    You can manually assign a drive letter to each partition/HDD which avoids that happening. I have no idea why your letter changed, maybe you booted while one or more of your external drives wasn't powered up, that would affect things for sure. Or have you a HDD caddy that goes into the DVD slot so the number of internal drives changes?

    In Windows 7, go into Control Panel/Administrative Tools then double-click on 'Computer Management' and on the left, click on Disk Management. You can then manually select (single-click) each partition, then right-click and on the popup screen you'll see an option to 'Change Drive Letter and Paths', select the 'change' option to assign a permanent drive letter to that partition.


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    #3
    CrazyRabbit
    Registered Users Posts: 8,659 ✭✭✭CrazyRabbit


    Thanks. I'm familiar with drive letter assignment.

    The drive that went 'missing' is housed in an external 4-drive bay, but it wasn't disconnected. Somehow, between shutdown at 8am and start up at 17:30, it decided to change to a random drive letter. It wasn't even the next available letter. And the other 3 drives in the same bay kept their correct drive letter assignments.

    Windows is odd sometimes!


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