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Windows 7: Locking drive letters

14 May 2010   #1
nuccii

Windows 7 Home Premium
 
 
Locking drive letters

Problem with USB storage device My Book Essential with WD Smartware. When the computer comes out of sleep mode, the drive letter, as an example, has changed from M to K or the reverse and at times the drive it self is not visable at all and can only be visable by rebooting the computer. This causes problems for my Backup software (Acronis). How can I permanately lock the drive letter. I have tried Disk Management to no avail. According to Western Digital the OS, Windows 7 32 bit, is overwriting the drive letter allocation and falls beyond their scope of knowledge.


My System SpecsSystem Spec
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14 May 2010   #2
surfasb

Windows 7
 
 

That is odd. You right clicked the partition in Disk Management and assigned a letter?

Sometimes, giving the partitions unique names will help also.
My System SpecsSystem Spec
14 May 2010   #3
nuccii

Windows 7 Home Premium
 
 

Done that. Problem still exits.
My System SpecsSystem Spec
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14 May 2010   #4
surfasb

Windows 7
 
 

well, no luck here then. Odd. I use a $10 SATA external interface and this doesn't happen here...
My System SpecsSystem Spec
14 May 2010   #5
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Try to assign a "high" letter like x, y, z. They usually do not get changed. It is a little unusual though that M and K get changed. You must have a lot of partitions and USB devices.
My System SpecsSystem Spec
14 May 2010   #6
nuccii

Windows 7 Home Premium
 
 

One partition on primary HD and two USB devices. Z sounds like a good idea, I used it on the last external drive I had before it bought the farm.
My System SpecsSystem Spec
14 May 2010   #7
nuccii

Windows 7 Home Premium
 
 

Z did not hold. I am at a loss
My System SpecsSystem Spec
14 May 2010   #8
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Hmm, I am at my wits end too. It always worked for me. Given that you have very few letters used, I really wonder what is going on.
My System SpecsSystem Spec
15 May 2010   #9
TVeblen

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1
 
 

I don't know if this will help you, but I installed an Epson wireless network printer a while back, and because it has card reading capabilities it shows up in the OS as another drive. That was causing some drive letter issues for me, so I changed the printer's letter to W, and now my external drives are assigned predictable letters once again.

It also might be of help if you could post a screen shot of your Disk Management" window.
My System SpecsSystem Spec
15 May 2010   #10
nuccii

Windows 7 Home Premium
 
 

I use a HP Officejet J6480 which is a wireless network printer and has card reading capabilities however no drive letter has been assigned to it.
My System SpecsSystem Spec
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 Locking drive letters




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