Forum Discussion
Read Error HDD
I'm currently using a 2013 21.5inch iMac booting windows 10 via an external SSD, CristalDiskMark has flaged the internal Apple HDD as having a read error rate. My question is when the internal HDD fa...
If the internal HDD fails, you should still be able to boot Windows 10 from the external SSD, assuming it's functioning properly. The internal drive is only used for the macOS boot process; the external SSD is where Windows 10 is installed. A failing internal drive will not affect booting from the external drive.