My Book 4 T slow. Help

Hello,

My 4T my book started working slow. Windows 10 .

Current usage is 2.6 T.

Used WD tools to run diagnostic. No problems found.

Changed the USB port. No results.

I don’t see a way to defrag it.

What can I do?

Tnx

Hello,

Please refer to the following KBA: Backup: Common Causes and Solutions of Slow Backups