First, make sure the USB ports at the rear of the computer work by connecting a USB device to the rear port. If the device is not recognized in the rear port, then use the other sections in this document to resolve the problem. Use the following steps to see if the front USB ports have become disconnected from the motherboard:
Apr 06, 2018 What to Do When Your USB Ports Aren't Working May 01, 2020 USB ports not working - Dell Community Hi, Recently my usb ports are not working. To try to fix this I have updated all drivers and BIOS, scanned hardware- No reported issues. No issues noted on Device manager. And I have disabled the power saver settings on the ports. The ports look intact, no broken pins. However, for some reason I can internal usb ports on front of computer case suddenly not Jul 02, 2019
Audio - Sound issues: back ports not working, front
Jul 29, 2012
Ethernet Ports not working on Modem | AT&T Community Forums
How to Check for Ports in Use in Windows 10 - Make Tech Easier First, your data gets sent to remote ports at the destination or website your processes are trying to connect to, then it gets received at local ports back on your PC. Most of the time Windows 10 knows how to manage ports and ensure that traffic is being directed through the right ports so that those processes can connect with what they need to. [Solved] Rear USB ports suddenly stop working Nov 06, 2015 (Solved) - USB ports not working for some devices. « How