External drives · Caring for a drive
Why does my external hard drive click or beep?
Short answer: Clicking or beeping usually means a hard disk can't spin up or read — sometimes a power problem, often a mechanical fault. Try another port, cable or power supply; if it mounts, copy files off at once. Keep clicking drives out of use.
Repeated clicking or beeping usually means the drive can't spin up or read properly. Sometimes that's simply too little power; often it's a mechanical fault. SSDs have no moving parts, so they don't click.
What to do:
- Try a different port and cable, and connect directly to the Mac rather than through a hub.
- If the drive has a power adapter, use it; some portable hard disks need more power than a port or hub gives.
- If it mounts, copy your most important files off first.
- If it keeps clicking, stop powering it on and consider a professional recovery service for files you can't replace.
A clicking drive shouldn't be trusted with new data. If it holds things Storage Studio moved, see what to do when your fast drive is failing.