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2 votes
2 answers
236 views

Deleted my EFI/MS & MSR partitions by error, how to rebuild it?

I accidentally deleted every single partition of my computer except the one that Windows is installed on it. I thought it was a good idea. But it was not. I have no more MSR or EFI partition, so when ...
HGStyle's user avatar
  • 59
1 vote
1 answer
838 views

How do I transfer boot partitions after installing Windows 10 and 11 to different drives?

I have a computer that dual boots Windows 10 and 11. Windows 10 was installed first on a SATA SSD, while Windows 11 was installed afterwards to a separate M.2 SSD. Now that I've been on Windows 11 for ...
Stevoisiak's user avatar
  • 14.7k
1 vote
0 answers
151 views

Understanding why Windows boot fails when EFI partition is moved

Situation I got a new computer with a HDD. I put SSDs in it and made RAID1, then started installing Windows Server 2022. I wanted to use SSDs and a HDD for data. I noticed the HDD already had some ...
Kitet's user avatar
  • 2,077
1 vote
1 answer
1k views

Repair EFI Bootloader?

I'm aware there are other topics on this subject, but i've tried the fixes to no avail, hence making this post. So I had a 1TB HDD with Windows 8.1 installed along with a partition with a recovery ...
BubbleMonster's user avatar
1 vote
1 answer
3k views

Deleted EFI partition Windows 8

I dual boot windows 7 and 8 and I accidently converted my windows 8 disk to dynamic while I was in 7. I used AOMEI Dynamic Disk Manager to turn it back to basic, but it removed my EFI partition. Now ...
Sir's user avatar
  • 11
0 votes
1 answer
71 views

How to regenerate Windows boot files without being able to boot into it

So I have an EFI dual boot system with Windows and Arch, and because of some grub tomfoolery I ended up completely wiping the EFI partition and installing systemd-boot. But now I don't have any way to ...
pixup1's user avatar
  • 11
0 votes
1 answer
283 views

No disks connected, why is Windows Boot Manager still a boot option?

Title covers 98% of my question. I'm trying to figure out what the Windows Boot Manager BIOS boot option is. In doing so, I've disconnected every memory device that could possibly hold an OS, ...
user avatar
0 votes
1 answer
962 views

What is the method of creating a Windows-booting EFI System partition?

I thought an EFI System Partition that boots Windows (specifically Win10, but I think the concept is the similar for all NT-based Windows) was a unique type of EFI system partition that can only be ...
user avatar
0 votes
1 answer
214 views

How does \EFI\MICROSOFT\BOOT\BOOTMGFW.EFI interpret the "optional data" payload passed to it by EFI?

My computer currently has two EFI bootNNNN entries for Windows: Boot0004 Windows Boot Manager HD(1,GPT,[redacted],0x800,0x1ff800)/File(\EFI\MICROSOFT\BOOT\BOOTMGFW.EFI)...
zwol's user avatar
  • 1,278
0 votes
1 answer
1k views

EFI dual boot windows 7 under fedora 23

I recently installed Fedora 23 on my Windows PC, which is running Win 7 Prof 64 bit. Before that I had a dual boot system with my above Win Sys and OpenSuse which was running after couple of minutes ...
Yesyoor's user avatar
0 votes
0 answers
64 views

HDD EFI\MICROSOFT\BOOT both EFI\MICROSOFT\RECOVERY empty

Hi i accidently formated some parts of partisions on my laptop. Now when it stats it's just a blank blue screen , not that basic with that sad face , but really empty blue screen. I dont know how to ...
Nicolas Michlik's user avatar
0 votes
0 answers
41 views

Mecerl laptop gives a an efi screen

when I turn on my latop, a screen apear, with the following message Efi shell version 2.40 (5.11) map: cannot find required map name please help
Mariesa 's user avatar
0 votes
1 answer
1k views

Create a backup of the EFI partition on a USB

I have Ubuntu on M.2 disk y Windows 10 on un SSD I had install windows with ubuntu already installed, Windows has put its bootloader in the EFI partition of Ubuntu, since the M.2 disk is the first ...
Mario's user avatar
  • 101
0 votes
1 answer
753 views

Can i delete the drive which contain microsoft and EFI named folder with FAT32 partition type

I have one partition which can be accessed through windows explorer which contains Microsoft and EFI folder I am now confused that can I delete the partition and I can't delete it from the windows ...
Aayush Swodari's user avatar
0 votes
1 answer
189 views

Windows 10 Recovery keeps showing on boot after fresh install of Zorin OS Lite

I've recently stumped on a problem after installing Zorin OS Lite 64bit on my old laptop which was running Windows 10 64bit. So basically after installing Zorin OS I was not able to boot into my OS ...
glumac's user avatar
  • 1

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