If no devices work in the port, check inside your PC to see if the connection inside might just need to be replaced. This problem likely would solve the issue for instance for front USB ports, where two or more ports share a common connection to your motherboard. You may also check your case to see if a connection at the case between the ports
1) Reseat your GFX card. Take it completely out and put it back in. Maybe that was included by the comment "unplugged and replugged", but I can't tell for sure. 2) Make sure the second CPU power cord is plugged into your board. A PC has a large 12 pin ATX power connector that plugs into the motherboard.
Go to Power Options > Change Plan Settings > Change advanced power settings. Find USB Settings, then drill down to the USB selective suspend setting. Disable the options next to On battery and Plugged in, then click Apply. You must then restart your PC to stop it from turning off the USB ports unnecessarily. Regards,
Mouse and keyboard work fine in BIOS but once it boots to windows they shut off, same goes for all of the other 8 USB ports. SO here is how it stands spec wise: The old PC has an AMD FX-4300, Gigabyte GTX 960, Asus M5A97 motherboard, 2x4GB DDR3 1600mhz RAM and a Kingston 60GB running Windows 7. The new PC I am upgrading it to has an AMD 5 2600X
All my USB port were working just fine until the last Windows update, 03/12. I have a 4 port USB hub plugged in to one of the USB ports on my PC and every time I add a USB thumb drive I get a message saying "USB Port not proving enough power". I have gone in to device managed and uncheck "Allow this computer to turn off this device to save
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pc usb ports not working
