Re: USB mass storage driver?
- From: prashantisonline <prashantisonline.2xd4nk@xxxxxxxxxxxxx>
- Date: Sun, 23 Sep 2007 16:54:03 +0530
Problem:
Windows XP does not recognize USB Mass Storage Devices
Device is detected and listed with an exclaimation mark in Device
Manager
Solution:
After spending hours on internet and reading through numerous posts, I
found following solutions which will definately work:
1. Delete following file: windows\inf\infcache.1
2. Go to windows\inf folder and see if you have read/write permissions
for following files:
usbstor.inf
usbstor.pnf
If not, open security settings for above files and add your username
for read/write access.
3. Open registry editor and:
Delete following keys:
HKLM\System\CurrentControlSet\Enum\USB\ <read all keys and delete all
those saying USB Mass Storage Driver>
Add following key:
HKLM\Local_Machine\CurrentControlSet\Services\Usb
Add a new DWoRD Value and name it "DisableSelectiveSuspend". Give it
value 1
4. Make sure you have USBSTOR.SYS file in your windows\system32\drivers
folder (It wasn't there in my case). Just Google using Usbstor.sys and
you will find the file to download. Save it at above location.
After doing above steps, restart your PC. Now Windows should recognize
your mass storage and should do an autoplay.
5. Some posts also mention that turning off the system and pulling out
mains power supply and batteries for 30 mins is also helpful to resolve
above problem.
In case you face any problem in completing above steps (need detailed
info) simply drop a mail at prashantisonline@xxxxxxxxxx I will be glad
to assist as I can feel the pain of this wierd problem.
--
prashantisonline
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