![]() Click on the 'Universal Serial Bus Controllers' to expand it. If you agree to the terms, select I Accept Open the 'Device Manager' tab. If prompted, review the license agreement. Select View and request hotfix downloads > Select hotfix. Go to KB974476 The computer stops responding when an USB device resumes from the USB Selective Suspend state in Windows 7. Unplug all USB accessories from your computer except for your device. To check your USB ports, Navigate to Start > Control Panel > Hardware and Sound > Device Manager > Universal Serial Bu If you see a Trust this Computer alert, unlock your device and tap Trust. ![]() On Windows 7, press Windows+R to open the Run dialog, type diskmgmt.msc into it, and press Enter If your USB ports are not functioning properly, Windows won't detect your USB flash drive. To open Disk Management on Windows 8 or 10, right-click the Start button and select Disk Management. Step 2 If you connected a USB drive and Windows doesn't show up in the file manager, you should first check the Disk Management window. Right-click This PC and choose Properties > Device Manager. Reinstall Disk Driver for USB Drive Step 1. In different situations, the error is followed by different messages When Windows generates such an error, the USB will not show up on your computer, and you can't access your data. ![]() If your computer is using the NVIDIA USB Enhanced Host Controller Interface (EHCI) chipset, download and install a hotfix from Microsoft 'USB device not recognized' is an error that usually occurs to the Windows computer when you plug in a USB device. One more thing, you'd better not make any changes on your drive Data transfers fail or Windows 7 may stop responding when using a USB device with the NVIDIA USB Enhanced Host Controller Interface (EHCI). This problem may be caused by partition issues on your drive, using the wrong file system, damaged USB ports, drive issues, and more. Method 1: Reinstall USB Driver Faulty or outdated USB driver can render your USB devices not responding Sometimes, you may connect your USB device to your computer via USB port and find the USB device not showing up in Windows 7/8/10/XP. Home USB not detected Windows 7 How to Fix USB Device Not Recognized Error in Windows 7/ 8 ![]()
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