It’s usually a good idea to disconnect your drives before upgrading or installing Windows 10.
It’s usually a good idea to disconnect your drives before upgrading or installing Windows 10.
Upgrading to Windows 10 raises the question of disconnecting non-boot drives. My gut says it’s safe, but I’m planning to check before making any changes just in case.
It shouldn't impact your secondary drives. However, if you have strong concerns, you can detach them, carry out the upgrade, and then reattach them at the opposite end.