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Windows 7: usb storage devices not working

13 Nov 2012   #1

Windows 7 Ultimate 32 bit
 
 
usb storage devices not working

my work laptop is running windows 7, when I try to install my external HDD via the usb ports I get the pop up that windows is installing the drivers and that it ready to be used. However in my computer the drive is not listed, when I enable the drive from device manager the drive pops up but it inaccessible, then eventually disappears from my computer. I'm not the administrator on the laptop, but my user account had admin rights. For the 30 seconds the drive stays enabled the properties/security tab says a its unable to display owner.

This is also a problem on thumb drives and SD cards, the machine just can't recognize any external HDD's

any help would be awesome

My System SpecsSystem Spec
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13 Nov 2012   #2
ryo

 
 

hi,
could you going to registry setting, HKEY_LOCAL_MACHINE > SYSTEM > CurrentControlSet > services
and find the usbstor. at there got a binary key start. normally is start > data(3).
My System SpecsSystem Spec
13 Nov 2012   #3

Windows 7 Ultimate 32 bit
 
 
registry setting

here it is...set to 3


Attached Thumbnails
usb storage devices not working-registry.png  
My System SpecsSystem Spec
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13 Nov 2012   #4
ryo

 
 

when you plug in external hdd or thumb drive, check at device manager, is it detect from there??

please do checking system SFC /SCANNOW Command - System File Checker
My System SpecsSystem Spec
13 Nov 2012   #5

Windows 7 Home Premium 32 bit
 
 

You said it is your work Laptop. If you are not the owner/administrator, the real administrator might have disabled the use of USB devices. Check with your administrator.
My System SpecsSystem Spec
13 Nov 2012   #6

Windows 7 Ultimate 32 bit
 
 

They are present in Device Manager, but none of them are enable. Any attempt to enable them leads to permission errors, except for the SD card, I can access the file in there for about 10 seconds then the card becomes disabled.

The sandisk thumb drive tells me I have been denied permission to access this folder, and to access security tab, but it doesn't stay enabled long enough to make any changes.

The 3rd on is a seagate free agent go drive and I get similar errors, no access to folder.

All 3 of these devices work on my windows 7 desktop so I know nothing is wrong with them hardware related.
My System SpecsSystem Spec
13 Nov 2012   #7

Windows 7 Ultimate 32 bit
 
 

Quote   Quote: Originally Posted by jumanji View Post
You said it is your work Laptop. If you are not the owner/administrator, the real administrator might have disabled the use of USB devices. Check with your administrator.
I was also thinking this, but would this disable all the use of the USB devices? My iphone is recognized and my usb mouse works fine.
My System SpecsSystem Spec
13 Nov 2012   #8
ryo

 
 

usb mouse use different port with the thumb drive.
if you have admin rights on your account, you should able to reset administrator password and try login to that account.
My System SpecsSystem Spec
13 Nov 2012   #9

Windows 7 Home Premium 32 bit
 
 

Quote   Quote: Originally Posted by mkeyes001 View Post
Quote   Quote: Originally Posted by jumanji View Post
You said it is your work Laptop. If you are not the owner/administrator, the real administrator might have disabled the use of USB devices. Check with your administrator.
I was also thinking this, but would this disable all the use of the USB devices? My iphone is recognized and my usb mouse works fine.
Yep, the administrator can block or unblock any or all the following devices.
  • Mouse devices
  • Disk drives (for example, USB drives and external hard-disk drives)
  • CD ROMs
  • Portable devices (for example, mobile phones, digital cameras and portable media players)
  • Floppy disks
  • Bluetooth devices
  • Images (for example, USB cameras and scanners)
  • Printers
  • Modems
My System SpecsSystem Spec
14 Nov 2012   #10

Windows 7 Ultimate 32 bit
 
 

hrmm, well that is probably my issue then. I'll have to ask the admin if this is the case. Thanks for all the info guys.

If I find a resolution I'll post back with any updates.
My System SpecsSystem Spec
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 usb storage devices not working





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