Can i convert my main Hard Drive to GPT format without data loss Tags: Boot Partition Storage Hard Drives Format Last response: October 10, 2013 2:28 PM in Storage Share rezowno October 10, 2013 12:47:52 PM my hard drive has 3 partitions - System reserved (350GB), boot partition (2047GB), and unallocated (746GB). i want to access all 3TB's of my hard drive by formatting it to GPT and getting all of it in one partition, will i loose any or all data if i click "convert to GPT disk" in disk management? More about : convert main hard drive gpt format data loss jumpingeebus October 10, 2013 12:54:46 PM yes you'll lose your data you will essentially be repartitioning your harddrive and will have to format after m 0 l rezowno October 10, 2013 2:05:47 PM jumpingeebus said:yes you'll lose your data you will essentially be repartitioning your harddrive and will have to format after "will have to format after" does that mean after the repartition or after the data is lost? m 0 l Related resources Convert hard drive from RAW to NTFS without data loss - Forum how to convert mbr to gpt partition without lose of data - Forum convert gpt to mbr disks without deleting the data on the disks? - Forum Convert MBR Hard Drive to GPT? - Forum How can I convert an MBR Hard Drive to GPT? - Forum Can't find your answer ? Ask ! Get the answer popatim a c 876 G Storage October 10, 2013 2:20:17 PM You said its your main drive... please be aware that you cannot boot off a 3tb gpt drive unless you have a efi or uefi motherbd running in efi/uefi mode, and install windows in efi mode. m 0 l rezowno October 10, 2013 2:28:25 PM popatim said:You said its your main drive... please be aware that you cannot boot off a 3tb gpt drive unless you have a efi or uefi motherbd running in efi/uefi mode, and install windows in efi mode. it is, thanks for the heads up, i shall keep that in mind m 0 l Can't find your answer ? Ask ! Publish Related resources How to convert hard drive to gpt. Forum SolvedHard Drive Format:MBR to GPT Forum SolvedIs there a procedure to remove and install sata data drives without data loss ? Forum Convert exFAT to NTFS without data loss. Possible? Forum Solvedhelp with converting seagate barracuda 3tb from dynamic to basic without data loss Forum Inataled os without formating hard disk where do i find c drive data Forum How to get data from hard drive without formatting Forum SolvedData loss - external hard drive. PLEASE HELP Forum Solvedhow do I convert movies on dish archive ext hard drive to watch on pc without the dvr? Forum SolvedHow to format hard drive without losing it Forum SolvedWhat's the best way to completely format a hard drive without causing damage? Forum SolvedNeed help in shrinking drive without losing data or formatting Forum SolvedHow do I fully format my laptop hard drive windows 8.1 without bootable disk Forum Solvedremove windows from a hard drive without wiping program and file data Forum Is there any way to convert Dynamic Drive to Basic without losing data Forum More resources Read discussions in other Storage categories Hard Drives DVD Drives DVD Writers Optical Media Flash Media NAS/RAID SSD Western Digital !