Windows 10: I'm trying to convert my c drive from mbr to gpt and get the "Cannot find room for the EFI...

I've tried converting my c: drive from mbr to gpt this is to help me on the way to downloading Windows 11 as I'm currently on 10 however I get the "Cannot find room for the EFI system partition" error. I believe this is due to me not having any unallocated room on my disk picture of my disk management included, when trying to shrink my c: drive to create unallocated room the volume available to shrink is 0mb so I'm currently stuck on what to do now as all I've found online is people telling me to download additional software which isn't something I want to do.

:)

 

Converting MBR to GPT for EFI boot?

Your method did not work for me when converting my current Windows 8 MBR disk, however I did come out knowing how to create Windows PE 5.0 Rescue disk using Macrium after reading your post though.

 

Converting MBR to GPT for EFI boot?

@Mystere
Sorry but did you read the steps I posted ?. What do you mean by: It may boot up, but won't be EFI ? How else does it boot up with a GPT disk ? Here's the screen shot

 

Convert GPT to MBR

j0 all.

I bought an external hard drive to my sister, filled it and sent it to her (she lives like 1200km from me), she gets it, can't use it. I start to dig, and finds out it uses GPT instead of MBR and that Windows XP (which she uses) can't read that. Annoyance. She sends it back (because none of the people she knows down there has 500GB spare backup space *Stick Out Tongue ) so I can set things straight.

However, if you want to convert a disk to MBR the disk can't have any partitions. But the disk looks like (see below). What's that about? I know EFI is some Mac something (or intel something or something sumthin'). The Convert to MBR option is greyed out.

Can I use another tool for that? What do I do?

Thanks for looking!

/Frick





Disk2 is the external drive. It's a Seagate something.