When you search for with the keyword "external hard drive not accessible the parameter is incorrect" you can see other people have the same problem as well. It will result in 2 problems: drive is inaccessible and you can’t view and copy files from the external hard drive at all. To fix the problem, you need to learn the possible reasons that caused the parameter is incorrect on external hard drive.
Here are 4 ways to fix the problem of parameter is incorrect.
CHKDSK is a built-in Windows tool for checking and repairing file system errors and bad sectors on a hard drive. The parameter is incorrect to issue generally is caused by logical errors. Here are the steps for how to fix parameter is incorrect on external hard drive with CHKDSK.
1. Connect your external hard drive, the one you can’t access with the "the parameter is incorrect" error.
2. Open the command prompt: In Windows 7, type in "cmd" in the start box, click Enter, and click "cmd.exe". in Windows 10 and 8, press the Windows and X button and select the Command Prompt
3. Next, in the Command Prompt window, type "chkdsk F:/f /x /r" (please note that the F means the driver letter of your external hard drive. It is not F, replace it with the right one). After then, click Enter.
Wait for the repair process to finish. After that, try to open your external hard drive.
If you failed to use CHKDSK to repair your computer system, you can try another built-in feature: SFC, namely System File Checker, to scan your system and repair the missing or corrupted system files.
1. Press the "Windows and Q" button to start the search bar.
2. Type in "cmd" and right-click on "Command Prompt", selecting "Run as Administrator".
3. Type "SFC/scannow" in the window and click "Enter" to repair the parameter is incorrect external hard drive.
If the SFC scan finds problems with the system files, it will ask for Windows installation DVD or USB installation media to fix it. You just need to follow the wizard to fix it. When it finished, restart your computer and connect the external hard drive again.
Virus attack and malware is another reason causing "the parameter is incorrect external hard drive". If the above mentioned 2 ways do not work, try to use security software, especially anti-virus software tool. Let it scan your external hard drive, finding problems, and fix the parameter is the incorrect error for you.
If the above mentioned solutions can’t solve the problem of the parameter is incorrect on external hard drive, the last resort is formatting the external hard drive to fix the error, making it work again. However, the formatting will erase all files from the external hard drive. It means you will lose the files. In this case, you need to do the formatting carefully and use iBeesoft Data Recovery to get back the files before the external hard drive formatting. Here are the steps.
Step 1. Click the DOWNLOAD button to get the external data recovery software on your computer. Install it and run it. There are Windows and Mac data recovery version. Please select the right version for your computer.
Step 2. From the start-up window, please select the file types you want to recover from the fixed parameter is the incorrect external hard drive. You can also deselect the unwanted ones and click "Start" to recover files from external hard drive on Mac or Windows PC.
Step 3. In the next new window, please select the fixed external hard drive as the target hard drive to scan. And then, click "Scan" to do external hard drive data recovery. It starts to scan the external hard drive right away. And there is a progress bar telling you how it goes on with the scanning process. Be patient and wait for it to finish.
Step 4. When the scanning process is finished, you can see all found files are put into the file categories on the left side. You can select the file type on the left side, and preview the found files on the right side. When finding the files lost due to the external hard drive not accessible the parameter is incorrect, selecting them and click "Recover" to save them on your computer.
The default scanning mode is Quick Scan. It scans for files with complete file properties and other information. If you have more files and not found by the Quick Scan, try the "Deep Scan" option in the result window. It will find more files from the external hard driv
Finally, after ensuring that important data has been recovered. You can right-click it and select "format". Confirm the operation and format your external hard drive. In this way, the drive can be used normally.