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Windows 7: USB drives detected but not shown in Computer


27 Jan 2013   #1

windows 7 professiona 32bit
 
 
USB drives detected but not shown in Computer

Dear sevenforums users,

it s been a while since i have been having this problem with usb external drives .
As written in the title my pc does detect them but they re not shown in computer.
I have to point out i dont get any problems when i plug my phone in the pc , it recognizes the smartphone and i can browse the folders , upload and download pics , etc etc.

All the usb sticks are shown in the device manager
USB drives detected but not shown in Computer-device-manager.png

I tried to remove and install all the drivers , still having the same problem.

I thought i had to assign them a driver letter but when i try to do it, disk management comes up with this error :
USB drives detected but not shown in Computer-diskmanagement-error.png


Dunno if might be useful to you but here their details through diskpart:
USB drives detected but not shown in Computer-diskpart.png

You re my last hope XD .
Thank you in advance




My System SpecsSystem Spec
.

27 Jan 2013   #2

Win 7 64 Prof
 
 

I searched for that exact error about the disk console and found a microsoft fixit - just yesterday. It seems that Microsoft updates its driver recognition list and if somehow you haven't done so (perhaps a minor update you chose not to install), Microsoft will eventually refuse to recognize. Google the entire error message. Checking my download logs it might be fixit 50688 - but check that.

In my case I also ended up having to check the security on the console and had to reset it so that the admin owned it rather than the system. When it still wasn't happy, Everyone owned it and since then it's been working fine.

Hope this helps.

Madeline
My System SpecsSystem Spec
27 Jan 2013   #3
Microsoft MVP

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

Have you tried to create a partition, format and assign it a drive letter In diskpart?
diskpart
list disk
select disk 1
clean
create partition primary
select partition 1
format fs=ntfs quick (or format fs=fat32 quick if you want fat)
assign
exit
exit
My System SpecsSystem Spec
.


27 Jan 2013   #4

windows 7 professiona 32bit
 
 

It doesnt work , there are no volumes....
USB drives detected but not shown in Computer-dddd.png

I tried to create a volume as well but it says "a disk specified is not dynamic. Please specify a dynamic disk and try again"


My System SpecsSystem Spec
27 Jan 2013   #5

Desk1 8 Pro / Desk2 7 Home Prem / Laptop 8.1 Pro all 64bit
 
 

My System SpecsSystem Spec
27 Jan 2013   #6
Microsoft MVP

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

That was my next suggestion. Here is the tutorial on using it. Use the bootable one. Partition Wizard : Use the Bootable CD
Does your computer do this with all USB drives, or just this one?
My System SpecsSystem Spec
27 Jan 2013   #7

Desk1 8 Pro / Desk2 7 Home Prem / Laptop 8.1 Pro all 64bit
 
 

Quote   Quote: Originally Posted by essenbe View Post
That was my next suggestion. Here is the tutorial on using it. Use the bootable one. Partition Wizard : Use the Bootable CD
Does your computer do this with all USB drives, or just this one?
Thanks mate didn't know that was there even
My System SpecsSystem Spec
27 Jan 2013   #8

windows 7 professiona 32bit
 
 

Quote   Quote: Originally Posted by essenbe View Post
Does your computer do this with all USB drives, or just this one?
all of them , i tried the 2 usb sticks on my laptop and they re fine.

Right, thank you guys for the support so far
I ll give minitool a whirl later , i m off to bed now it s quite late here XD .
My System SpecsSystem Spec
27 Jan 2013   #9

Windows 7 Ultimate x64, XP Mode, W8.1 Preview VM - 7 Pro x64 second remote tower
 
 

Has anyone ever heard of the Disk Management tool? When going into Control Panel>Administrative tools>Computer Management>Storage>Disk Management you should see the factory volume(Fat 32) once the flash drive or other external device is properly detected. If you added an SD card into a cell phone or to a digital camera that will be seen as a storage medium as well.

Once you have located the volume you simply right click on that to select the change drive letter option. This will generally initialize the drive or device on the spot. If you should see the "offline" showing in the square area on the left side clicking on that to set it to online or going to the menu bar>Actions to select the rescan all disks option can also help.

Once the drive or device is assigned a drive letter you will then see that in use when opening up a new explorer window and looking down the list of drives. In most cases as soon as you use the Change drive letter option a new popup will flash indicating the item was initialized and is now available for use.
My System SpecsSystem Spec
27 Jan 2013   #10
Microsoft MVP

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

Night Hawk, yes I heard of it once. But after seeing the second screenshot in post #1 figured that wouldn't work.
My System SpecsSystem Spec
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 USB drives detected but not shown in Computer




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