wd passport Ultra 2 tb usb error with I/O what to do
Hello daskothari,
Mostly I/O(Input/Output) error is related to a bad USB cable or a bad USB port of the computer or the drive. Because of that, I would suggest you to try to connect the drive with a different cable or connect to a different USB port of computer. You can also check it on another computer if available. However, you can use WD Drive Utilities to run diagnostics on the drive:
If using Windows, you can go with below article for further detail: