I accidentally hit a button that turned off drive c , i need to turn - Microsoft Community
aqccidentally turned off drive c , mi need turn drive c on , , not know how ***post moved moderator appropriate forum category.*** i assume windows is installed on drive c, way have 'turned off' drive c in bios boot system, go bios (usually pressing f2 or del key - there text on screen starts 'press f2 enter setup') once in bios, go boot tab , make sure c drive top of boot list, save changes , reboot system . . . Windows / Windows 10 / Files, folders, & storage / PC