Swap the USB cable or try a different USB port (preferably one directly on the motherboard if you're using a PC).

Remember: If your data is invaluable, stop all DIY attempts at the first sign of physical failure (clicking, no spin). For logical errors (no drive letter, “parameter is incorrect”), the solutions above will fix most problems within 30 minutes.

Here is your step-by-step guide to diagnosing and repairing a WD Elements external hard drive that Windows or macOS refuses to recognize.

: Use the included USB cable to connect the drive directly to a USB port on your computer. Avoid Hubs