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Drive letter problems with flash drives

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  #41  
Old 09-30-2006
Newcomer, in training
 
Member since: Sep 2006, 16 posts
OMG DUDE I LOVE YOU!!!!!!!!!!

Its back working, I appreciate everyone’s help Thank you for taking the time and helping
  #42  
Old 09-30-2006
TechSpot Enthusiast
 
Member since: Jul 2006, 381 posts
Quote:
Its back working, I appreciate everyone’s help Thank you for taking the time and helping
Ditto .
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  #43  
Old 10-09-2006
Newcomer, in training
 
Member since: Oct 2006, 6 posts
Aiya! Careful with that registry!

Quote:
Originally Posted by Bluemouse
WAHAHAHAHA FIXED IT!

It had something to do with the registry, and nothing to do with the drivers at all.

**** EXPORT THE SELECTED FOLDERS BEFORE DOING THIS ****

1) Go into start -> run -> regedit -> hit ok

2) Navigate to:
[HKEY_LOCAL_MACHINE\SYSTEM\MountedDevice1]

3)file -> export (the mounteddevices1 folder)

4) delete all the dosdevices drives (ie \dosdevices\C

5) I cant remember if i did it to the "mountd devices" folder too, so dont do it at first but if it doesnt work then do it after

6) go to [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E967-E325-11CE-BFC1-08002BE10318}]

7) Export this too

8) delete the upperfilter key

9) reboot and try plugging in your device.

This actually didnt work for me when i tried it, but then i tried plugging in my device an hour later and it worked flawlessly (all 3 flash drives)

Hope this helps! Your registry may be slightly different, but look in there, there are probably a bunch of keys that are screwing it up.

Cheers

I've got the same problem with my thumb drives not showing up in Windows Explorer so I was really excited when I saw your post. I saved the registry folders that you said to back up but after I destroyed my registry, XP wouldn't boot and I didn't know how to restore them. :P So I booted in safe mode and restored a Restore Point. That got the registry restored and XP booting again. I probably should have been more cautious but I deleted all the \??\Volume entries and a lot of the ones below those like (ie \dosdevices\C. I really hope I can figure out how to tailor your fix to my machine and get the auto-drive assignment working again.

Moral of the story: Don't delete registry entries unless you know EXACTLY what you're doing.
  #44  
Old 12-11-2007
Newcomer, in training
 
Member since: Dec 2007, 1 posts
I am working with someone that has a very similiar problem It started when a USB Hub was plugged in. The drive designator disappears from Windows Explorer and My Computer but is available in application such as Word & Excell when a file is opened or saved. After a reboot all looks normal, after a flash drive is removed one time the problem begins when the next flash drive inserted. Any adivce is appreciated. Thanks
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