I'm sorry to hear that you're having trouble accessing your external hard drive. The "parameter is incorrect" error message can be frustrating, but there are a few steps you can take to try and resolve the issue.
1. Check the USB cable and port: Sometimes, the issue can be as simple as a faulty USB cable or port. Try using a different USB cable and connecting the hard drive to a different USB port on your computer to see if that resolves the issue.
2. Run the Error Checking tool: You can try running the Error Checking tool on your hard drive to scan and fix any errors that may be causing the issue. To do this, right-click on the hard drive in File Explorer, select Properties, go to the Tools tab, and click on "Check" under...