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Windows 7: drive letter no more given automatically

16 Jul 2010   #1

drive letter no more given automatically

till 2 days ago, when I connected a USB stick or any other USB device, it was given a driver letter automatically and a window prompted for which actions I want to do.
Now (after a windows update?), the drive doesn't receive a drive letter automatically. I have to go into disc manager a give manually a drive letter in order to be able to use the drive.

What happened and how to correct this?


My System SpecsSystem Spec
16 Jul 2010   #2

XP / Win7 x64 Pro

So you went into disk management, assigned a new drive letter to the device, removed the device via the Safely Remove Hardware option, plugged it back in, and it still doesn't acquire the new letter?
My System SpecsSystem Spec
17 Jul 2010   #3


no the assigned letter remains.

What is strange, this happen for all my USB drives. I had to give them a letter manually via disk management interface.
Why is it no more automatic?
How can I remove the manually assigned letter in order to be assigned automatic again?
My System SpecsSystem Spec

10 Oct 2010   #4



I have the same problem. If I plug any external drive to USB or esata port, I have to use Paragon Partition or Disk Management to assign a drive letter to it. It will then show up in my window explorer.

Any help????
My System SpecsSystem Spec
05 Mar 2011   #5

Windows 7 Ultimate N 64-bit

yeah i get that to on some external drives or pen drives. unsure how to resolve still.
My System SpecsSystem Spec

 drive letter no more given automatically

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