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Windows 7: USB Mass Storage Device/Unknown Device


04 May 2013   #1

Windows 7 Professional x64 Service Pack 1
 
 
USB Mass Storage Device/Unknown Device

In Device Manager, there is a USB Mass Storage Device or an Unknown Device, even when there isn't anything plugged in. This is occurring on a Dell Dimension 5100. This is not the pc in my system specs. How do I fix this?
Here are some Device Manager screenshots:




Attached Thumbnails
USB Mass Storage Device/Unknown Device-captureusbmassstoragedeviceunknown.png  
Attached Images
  
My System SpecsSystem Spec
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04 May 2013   #2

Windows 7 Professional x64 Service Pack 1
 
 

The PC is unplugged from power (with all USB devices unplugged, as well as the DVI and ethernet cables) and the CMOS battery is removed.
My System SpecsSystem Spec
04 May 2013   #3

Windows 7 Professional x64 Service Pack 1
 
 

After putting the CMOS battery back in and plugging everything in (I also configured the BIOS), there is still a "USB Mass storage device in device manager, even though there isn't one plugged in.
My System SpecsSystem Spec
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04 May 2013   #4

Windows 8.1 Pro + Windows 10
 
 

windude99, try this hotfix
My System SpecsSystem Spec
05 May 2013   #5

Windows 7 Professional x64 Service Pack 1
 
 

There was still a "USB Mass Storage Device" in Device Manager after installing the hotfix. I figured out that it is the card reader. I uninstalled the "USB Mass Storage device" and rebooted. When it was installing the driver, it said it was a FMD9410NDL1 which is the card reader in this computer.
My System SpecsSystem Spec
05 May 2013   #6

Windows 8.1 Pro + Windows 10
 
 

Dell's card readers can be problematic. Good luck, hope you get it sorted.
My System SpecsSystem Spec
05 May 2013   #7

Windows 7 Professional x64 Service Pack 1
 
 

Quote   Quote: Originally Posted by Dude View Post
Dell's card readers can be problematic. Good luck, hope you get it sorted.
Thanks!
My System SpecsSystem Spec
05 May 2013   #8

Windows 8.1 Pro + Windows 10
 
 

windude99, just had a thought. I think the card readers are teac, and they might have firmware updates available. not sure as they are old, but dell might have a link.
My System SpecsSystem Spec
06 May 2013   #9

Windows 7 Professional x64 Service Pack 1
 
 

Quote   Quote: Originally Posted by Dude View Post
windude99, just had a thought. I think the card readers are teac, and they might have firmware updates available. not sure as they are old, but dell might have a link.
I'll take a look and see. Thanks for the suggestion!
My System SpecsSystem Spec
06 May 2013   #10
Microsoft MVP

Windows 7 Ultimate SP1 X64 (Windows 10, 8.1, Linux Mint, Windows XP and others in VM)
 
 

The card reader is a Samsung. Here is a discussion about it, but not much help. It supposedly uses standard USB drivers, but supposedly came with software which Dell dosen't supply.
http://en.community.dell.com/support.../19317149.aspx
My System SpecsSystem Spec
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 USB Mass Storage Device/Unknown Device




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