My Dell Studio MT laptop does not recognize a USB 3.0 thumb drive that it HAS recognized in the past. In device management, it shows up under Other and Properties show unknown device, no driver found. I have checked the drive on my Windows 7 desktop PC, and it is fine. The laptop has no USB 3.0 ports, only USB 2.0 ports. However the laptop recognizes other USB 3.0 external drives that I attach.
The thumb drive may be going bad.
Or there might be some issue with your Dell Studio MT laptop:
Doing this procedure should fix the problem with the thumb drive.
- Go to Device Manager, and see if there are any USB devices which have a yellow triangle next to them. If so, right click on each such device and choose uninstall.
- If you uninstalled any devices, right-click on the top item in the list and choose "Search for hardware devices" or whatever the wording is. Doing this will reinstall any devices that you uninstalled.
I am able to access the thumb drive on my desktop PC.
I was wrong about this thumb drive having been used on the laptop before. I believe this is the first time I attempted to use it on the laptop.
There are no yellow triangles in device manager. I do see the thumb drive listed under "Other" as an unknown device with an unknown driver (the Other icon has a small question mark).Go to Device Manager, and see if there are any USB devices which have a yellow triangle next to them. If so, right click on each such device and choose uninstall.
I just realized that my System Info on sevenforums is out-of-date. It is info for an old laptop. I ran SystemInfo (following your directions). When I click the Set Info button, the fields do not change! The new info is not uploaded. What am I doing wrong?
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