Checkthe USB port with the Device Manager. Lift-click the Windows icon, type Device Manager, and press Enter to open it. Expand the Universal Serial Bus controllers, right-click the device with USB Host Controller from the list, and select Uninstall. Close the Device Manager and restart your PC. OpenDevice Manager. Click on Action in the menu bar and select Add legacy hardware > Next. Select Install the hardware that I manually select from a list (Advanced) and click Next. Scroll down, then select Ports (COM & LPT) and click Next. Select the Manufacturer accordingly and click Finish. Regards. 2 Can a power surge damage a USB port? Yes, a power surge can damage the USB port. Sometimes, the USB port itself is damaged or broken. A USB power surge may damage your computer, but it's unlikely that you will fix the issue promptly. It's best to fix the problem to avoid damaging your USB port and computer and to continue using all your USB Tosimply reset the USB port you need to: Step 1: Uninstall the device by right-clicking on the USB controller and choosing the Uninstall option. Step 2: Choose that for all USB controllers on the list and restart your computer. Step 3: Windows will scan the system and reinstall the uninstalled USB controllers automatically, this will reset all Howto change COM port name in device manager while inserting external device. Serial to USB converter connect to com port in computer. In "device manager" show the com port name and (number). At the same time, In "Devices and printers" show the device name. I want to change the com port name in "Device manager". .

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