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HI SB. I'm Greg, an installation specialist, 10 years awarded Windows MVP, and Volunteer Moderator, here to help you.
This normally means the USB drive was bootable at some point, for example as Windows 10 installation media.
You can usually resolve it by moving the files off the drive to wipe it of boot code then reformat in Disk Management:
http://www.howtogeek.com/235824/how-to-clean-a-...
If these are other USB devices, then I'll give you everything possible to try for USB dysfunction:
- Try all other USB ports to compare.
- Update your Chipset and USB drivers from the PC maker's Support Downloads web page for your full model number, HP Serial Number, or Dell Service tag from the sticker on PC.
- Compare the latest drivers with the ones presently installed in Device Manager reached by right clicking the Start Menu. Make sure you have the latest BIOS, Chipset, Display (Video), Sound, USB3, Bluetooth, Network and all other drivers, or else download and install the latest now.
- If no newer or this doesn't help, then go to the USB category in Device Manager, open each Enhanced, Hub and Host controller, from Driver tab select Roll back if available, or if not choose Uninstall.
If your keyboard and mouse are USB, first program the power button to effect the needed restart after Rolling back or uninstalling the driver. Go to Settings > System > Power & Sleep > Additional Power Settings > Choose what Power buttons do to choose Shutdown.
- Go over this checklist to make sure the install is set up correctly, optimized for best performance, and any needed repairs get done: http://answers.microsoft.com/ko-kr/windows/wiki...
Start with Step 4 to turn off Startup freeloaders which can conflict and cause issues, then Step 7 to check for infection the most thorough way, then step 10 to check for damaged System Files, and also Step 16 to test a new Local Admin account. Then continue with the other steps to go over your install most thoroughly.
- Do you know when this started? If this was caused by Windows Update(s) then you can check which were installed at Settings>Update & Security>Windows Update under Installed Updates, then uninstall them from the link there, and hide with the Hide Updates tool downloaded from here: http://download.microsoft.com/download/f/2/2/f2...
You can also use System Restore to get before the problem began, then check for Updates with the Hide Update tool and hide them: http://home.bt.com/tech-gadgets/computing/how-t...
If this was caused by a Version Update then you can roll it back in Settings>Update & Security>Recovery and then hide it until it matures using the Hide Updates Tool downloaded from here: http://download.microsoft.com/download/f/2/2/f2...
- If nothing else works then do a Repair Install, by installing Media Creation Tool and then choosing to Upgrade Now. This reinstalls Windows while keeping files, programs and most settings in place, and is also the most stable method to advance to the latest version. http://windows.microsoft.com/ko-kr/windows-10/m...
I hope this helps. Feel free to ask back any questions and let us know how it goes. If you'll wait to rate whether my post helped you, I will keep working with you until it's resolved.
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