We all use USB devices on our Windows machines. These flash devices are portable and facilitate quick data transfer and provides convenience to users. On your computer, the slots where you plug these USB devices is known as USB ports.
If these USB ports not working, they’ll not be able to load contents from USB device plugged in to them. To avoid such kind of problems, computing manufacturers usually provides 2 or 3 USB ports, so that if one port fails, you can use another.
Well, if you’re facing trouble with any or all of USB ports on your system, try fixes mentioned below.
FIX: USB Ports Not Working In Windows 10
FIX 1 – General Suggestions
1. As soon as you detect the issue, reboot the machine and see if USB ports works then.
2. Run Hardware and Devices troubleshooter. Also run Windows USB troubleshooter, see if it helps you in this case.
3. If specific USB device is not loading on all USB ports you’ve, check the USB device on another machine. It might be possible that USB device itself is malfunctioned and USB ports are working fine on your machine.
4. Make sure you’ve latest Windows Updates installed.
FIX 2 – Change Power Management Settings
1. Press 
+ R and type devmgmt.msc in the Run, hit Enter key to open Device Manager snap-in.
2. In the Device Manager window, expand Universal Serial Bus controllers and right click on the problematic USB device/port and select Properties.
3. On the property sheet, switch to Power Management tab. Uncheck Allow the computer to turn off this device to save power option. Click OK.
Close Device Manager and check if the USB ports working fine now.
FIX 3 – Disable Fast Startup
In Windows 10, we’ve fast startup enabled by default. On some machines, due to this, Windows may not load USB devices plugged in to the port and you face this issue. So try disabling fast startup temporarily and see if this helps you. Try these steps:
1. Right click battery icon on taskbar, select Power Options.
2. Next, in Power Options window, click Choose what closing the lid does link.
3. Moving on, then in next screen, click Change settings that are currently unavailable link.
4. Then scroll down in same window and under Shutdown settings, uncheck Turn on fast startup (recommended) option. Click Save Changes and close the window.
Reboot the machine once and see if USB ports works now.
If USB ports still not working, then there might be issue with hardware. Visit the nearest computer shop then to confirm if USB ports hardware is working fine.
Hope something helps!
L.P.
LOST IMPORTANT USB 2.0 FUNCTION of two ports used for file transfers. They stopped working for no apparent reason. No net suggestions are helping me. What in the world has to be done to get them working again? They show up in Device Manager but keep reporting “USB device not recognized” when portable drives are plugged in. I have two USB 3.0 ports but they are in use. Need a fix to bring back these needed USB 2.0 ports! support.microsoft.com/en-us/help/4091240/usb-devices-may-stop-working-after-installing-the-february-13-2018-upd; answers.microsoft.com/en-us/windows/forum/windows_10-hardware-winpc/windows-10-update-usb-20-ports-not-working/2ad1b08c-f9a9-44ca-81b5-42c4fe5fcb6a This problem is deeper than the ordinary solutions given thus far. Where are the MICROSOFT EXPERTS?