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Windows 7: Remembering drive letters


14 Apr 2010   #1

Win7
 
 
Remembering drive letters

I just started seeing an issue with my external drives connected to my laptop running Windows 7 Home Premium x64. I have 2 external drives connected via USB to my laptop. In the past, when I unplugged the drives, and later reconnected them, the previously assigned drive letters (X: and Y: ) were again properly assigned to the two external drives. Lately, when I reconnect the USB drives, they get assigned the next drive letters in sequence (E: and F:, respectively). What is causing this behavior and how can I force them to remember their old "assigned" letter? I assigned the drive letters using the manage computer, disk management, change drive letter process. I always use the "safely remove hardware and eject media" feature prior to unplugging the drives... and I have not changed any behavior on my part.

Both stay connected to the same powered USB hub... rather than messing with the drives individually, I just use the remove hardware applet and then unplug the hub. I always use the same USB port for the hub, and the drive themselves stay connected to the hub... BTW, this used to work perfectly under both XP and Windows 7 ... until recently...


My System SpecsSystem Spec
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14 Apr 2010   #2

W7 Ult. x64 | OS X
 
 

My System SpecsSystem Spec
14 Apr 2010   #3

Win7
 
 

That was the process that I used to set the drives up... and it worked perfectly on both XP and Windows 7 until a couple of days ago... at that point when I disconnected the drives and reconnected them, the drive letters no longer stuck... and the system assigned new drive letters.
My System SpecsSystem Spec
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14 Apr 2010   #4

Windows 8.1 Pro (x64)
 
 

So what change was made to the system a couple of days ago?
My System SpecsSystem Spec
14 Apr 2010   #5

Windows 7 32 bit
 
 

Like it says on the referenced page, it's best if you assign the next available. Also you can set "hide empty drives" to hide removable drives that are usually empty like memory stick slots. If the drive letters you assign are the next available they won't shift around so much.

I use the letters toward the end of the alphabet for mapped network drives.
My System SpecsSystem Spec
14 Apr 2010   #6

Win7
 
 

Quote   Quote: Originally Posted by logicearth View Post
So what change was made to the system a couple of days ago?
Nothing, as far as I know.
My System SpecsSystem Spec
14 Apr 2010   #7

Win7
 
 

Quote   Quote: Originally Posted by MilesAhead View Post
Like it says on the referenced page, it's best if you assign the next available. Also you can set "hide empty drives" to hide removable drives that are usually empty like memory stick slots. If the drive letters you assign are the next available they won't shift around so much.

I use the letters toward the end of the alphabet for mapped network drives.

Yes, I read that part, but it has worked perfectly until now... for over 3 years with XP and at least 8 months with Window 7...

C: is my system drive
D: is a recovery partition
E: is a SD card slot
W: is my Writable CD/DVD drive
X: is the eXternal drive #1
Y: is the external drive #2
My System SpecsSystem Spec
14 Apr 2010   #8
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

have a look at this solution: USB drive letter manager - USBDLM
My System SpecsSystem Spec
14 Apr 2010   #9

Win7
 
 

Quote   Quote: Originally Posted by whs View Post
have a look at this solution: USB drive letter manager - USBDLM
Interesting... but why do I need a 3rd party app to do what Windows 7 did perfectly well until a few days ago?
My System SpecsSystem Spec
15 Apr 2010   #10

Windows 7 32 bit
 
 

Quote   Quote: Originally Posted by HankAZ View Post
Quote   Quote: Originally Posted by MilesAhead View Post
Like it says on the referenced page, it's best if you assign the next available. Also you can set "hide empty drives" to hide removable drives that are usually empty like memory stick slots. If the drive letters you assign are the next available they won't shift around so much.

I use the letters toward the end of the alphabet for mapped network drives.

Yes, I read that part, but it has worked perfectly until now... for over 3 years with XP and at least 8 months with Window 7...

C: is my system drive
D: is a recovery partition
E: is a SD card slot
W: is my Writable CD/DVD drive
X: is the eXternal drive #1
Y: is the external drive #2

"until now" being the operative phrase. Getting something to work is one thing. Figuring out why it died is for autopsies.
My System SpecsSystem Spec
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 Remembering drive letters




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