Here’s how one user describes this problem: As another user points out, this is not the first time that Patch Tuesday updates break USB ports. As a quick reminder, back in February, Microsoft officially acknowledged that KB4074588 may cause USB devices to stop working. Unfortunately, these USB issues are not alone. Many users also reported that KB4103727 also broke their network drivers, preventing them from connecting to the Internet. If you’re still experiencing KB4103727 USB issues, maybe the troubleshooting guides listed below will help you fix them:

Fix: Mouse, Keyboard (USB, Wireless) not Detected in Windows 8, 10 Windows 10 Doesn’t Recognize USB [Fix] Fix: USB Not Working in Windows 10

If you encountered other bugs after installing KB4103727, let us know in the comments below. 

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