Article Number: 000149584
A Dell portable system with Windows 10 Pro 64 installed may report the following error: "Power surge on the USB port – Unknown USB Device needs more power than the port can supply." If you expand the message, the following message appears: "Power surge on the USB port – A USB device has malfunctioned and exceeded the power limits of its hub port. You should disconnect the device".
Initial troubleshooting should follow the on-screen directions:
If the issue persists, follow the steps below to run the Hardware Troubleshooter and test the USB port:
If no issues are found, then Uninstall and Reinstall all the USB Controllers following the steps below:
If this issue continues to occur with a specific device, it is possible that the device is requiring more voltage or power than is available from the USB port being used. In this case a USB Hub with it's own dedicated power source is suggested.
Connect the Powered USB hub to the system USB port and then connect the device to the powered USB hub.
Browse to the Dell USB Diagnostics page and follow the prompts, to help identify and fix issues with your computer.
If you have completed all the troubleshooting as indicated above, it is recommended you contact Dell Technical Support for additional assistance.
Inspiron, Latitude, Vostro, XPS, Latitude E7450
20 Apr 2021