macOS can read NTFS but cannot write to it. To use the drive on a Mac, you must reformat it to APFS or Mac OS Extended (Journaled) using Disk Utility .
Swap the USB cable or try a different USB port (preferably one directly on the motherboard if you're using a PC). how to use wd elements external hard drive fixed
Software fixes won't work if the hardware is failing. Before opening Disk Management, run this quick checklist: macOS can read NTFS but cannot write to it
If you plan to switch between Mac and PC frequently, format the drive to exFAT . 3. Transferring Files reformat it. Right-click the drive >
If you only use the drive on one operating system, reformat it. Right-click the drive > Format > Choose NTFS (Windows) or APFS (Mac). Warning: This erases everything.