システム修しゅう復ふくディスクMeanings1nounsystem repair disk; emergency repair diskcomputing›Computing term for a bootable disk used to repair or recover a system, especially in Windows environments.システム修しゅう復ふくディスクを作さく成せいしておくと、パソコンが起き動どうしなくなったときに役やく立だつ。Creating a system repair disk in advance is helpful when your PC won't start.