Macworld Some Mac users report that their Mac or MacBook cannot read the inserted disk with the error code: “The disk you attached was not readable by this computer.” This issue often occurs on Macs and indicates disk errors. You can try to fix this problem by restarting the Mac. If the disk is still not readable after a fresh reboot, keep reading, and we’ll guide you through four possible solutions. Before troubleshooting, back up your disk to avoid unnecessary data loss. TryEaseUS Data Recovery Wizard for Mac; this all-in-one tool will help you recover data from hard disks and back up storag…