Swithing from BIOS to UEFI Tags: Hard Drives BIOS Motherboards Storage Last response: January 13, 2013 9:21 PM in Storage Share b_lancaster January 13, 2013 9:14:41 PM Hello, I recently got a new EUFI motherboard and found that it wont load my existing windows 7 64 bit OS of the HDD i originaly had with my BIOS motherboard, do i need to reformat my HDD or just buy a new OS? More about : swithing bios uefi anonymous1 a b V Motherboard a b G Storage January 13, 2013 9:21:18 PM You will need to reload the OS. m 0 l Can't find your answer ? Ask ! Publish Related resources SolvedLegacy+UEFI or just UEFI for BIOS on win-7 Forum SolvedWindows 8.1, how to boot into safe mode with UEFI BIOS Forum SolvedBIOS option for "Video OpROM Policy" and UEFI Forum SolvedGpu uefi bios for EVGA GTX 760 4gb Forum SolvedUEFI BIOS OC Tuner question Forum Solveduefi bios and windows 8 Forum SolvedIs it possible to navigate Asus UEFI bios with a wireless mouse? Forum SolvedBoot issue - changed BIOS to UEFI now can't boot. Forum SolvedRAID0 Volume Inaccessible after resetting ASUS UEFI Bios Settings. Forum SolvedCan't go into BIOS/UEFI Forum SolvedZ68XP-UD3 rev 1.3 - Upgrading to uefi bios Forum SolvedBest Z87 MObo with UEFI bios within $200? Forum SolvedDoes my motherboard have UEFI BIOS? Forum SolvedUEFI BIOS functionality Forum SolvedNo UEFI Option in BIOS Forum SolvedSocket 775 motherboard with uefi bios???? Forum SolvedGigabyte GA-Z87-HD3 Intel Z87 - Help enabling UEFI Bios Forum SolvedCan't access MSI Z87-G45 BIOS/UEFI Forum SolvedHow to dual boot Win7 and Ubuntu 12.04 LTS (Finnish Remix) with 2 HDD's and a UEFI BIOS motherboard Forum SolvedHow to update Gigabyte UEFI Bios Forum More resources Read discussions in other Storage categories Hard Drives DVD Drives DVD Writers Optical Media Flash Media NAS/RAID SSD Western Digital !