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All of the sudden the D drive gives me an error when I try to open it:

D:\ is not accessible. Access is denied.

I have files on the drive that I would like to recover, so I do not want to reformat the drive. It acts almost like the computer doesn't recognize the drive. I have a feeling it's something with security settings, I may have accidentally changed something on the drive.

I'm running on a Acer Aspire laptop on Windows Vista, SP2. I beleive both the C and the D drive run off of the same disk drive. At least that's all the Device Manager shows. So correct me if I'm wrong, but that would make it a partitioned drive.

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3 Answers 3

WOW! Here is my solution for the same problem:

  1. Click Start Button and type "diskmgmt.msc"
  2. Right-click the "diskmgmt" and select "Run as Administrator"
  3. Select the D: drive and right-click it.
  4. Select "Change Drive Letter and Paths"
  5. Click "Change"
  6. Select the drive from the list of drives on the top-right corner and click OK

Make sure that the drive you want to change is not in use. I hope this helps, please let me know... It worked for me just 20 minutes ago and I access my D:\ once again :)

See My Blog

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Right-Click on the drive and click on Explore, see if you can get in your D:\ drive, once it opens copy paste all your files to other drive, format your D:\ drive and paste back your files.

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Try right clicking on the D: and go to Properties. Click on the security tab and add the user EVERYONE to the list of Group or User Names. Give EVERYONE full control in the little box below. See if this will get you access to the drive. It sounds like you have changed users and/or physical computers (hence switching users again.)

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This worked perfectly! I think I may have accidentally changed something with permissions. Thanks so much for the help! –  Aaron Oct 1 '11 at 15:05
@Aaron if you used the answer could you tick, mark it as so, this thanks kobaltz and lets future OP's and general searches know that the question was solved. –  mic84 Oct 2 '11 at 3:13
Oh god thank you kobaltz :D I was freaking out. I wish I could upvote this more than once. –  Jonatan Hedborg Apr 13 at 11:30

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