How to recover deleted files and fix the parameter is incorrect when copy files?

This problem may happen when you copy files from the computer to external hard drive or U disk, you found this fails. And the Windows prompts that cannot copy and the parameter is incorrect. To solve this problem, you need to know the causes for this error.

About Why the parameter is in correct

1. The files you copy are too large

If you find that you still can copy the small files to your U disk or SD card but you cannot copy files larger than 4 GB, that is for the limitation of file system. The external storage devices usually adopt the FAT file system. So when you copy files larger than 4 GB to FAT file system, it will give you a error copy message.

To solve problem in this case, you can follow these ways.

First, you can convert the file system. As to the limitations of FAT file system, you can convert the FAT file system to NTFS. Before you do that, you should back up your files first.

Second, you can compress the large file. You can use a third-party tool to compress the large files so that you can copy it easily.　

2. The files you copy is small

When you found error message while copy files, you need to check the file size first and then the file system. If the file does not larger than 4GB, your SD card or U disk may damage, you need to replace a new one.

First, you can check errors in the drive. Right-click the drive and choose properties.

Click Tools tab and click check button. It will enter check disk options if there are any errors. You can check the option ot automatically fix the file system errors and scan for attempt recovery of bad sectors, then click start.

After complete the fix, you can click the Optimize button under the Tools tab.

Choose the drive you need to click Analyze, it will start to optimize the defragment after the analysis ends.

In the end, reboot the computer, you may found that you are able to copy files normally.

Third, you can choose to format the U disk or SD card. If your device cannot copy files for virus infection, you can run an antivirus software to scan it. After that you can format it to fix this error. Before you format your device, you should back up your files first. If you found forgot to back up files before formatting, you still can use Hdata recovery software to recover the lost files.

How can Hdata recovery software recover deleted files?

Hdata recovery is a professional data recovery software used for internal hard drive or external hard drive, U disk, SD card and so on. It makes a deep scanning for the files which have not been overwritten. As it provides free scanning and preview, you can know about how much files you can recover. With powerful functions, it can recover files from different data loss situations.