#Windows create efi system partition install#
#Windows create efi system partition manual#
#Windows create efi system partition windows 8.1#
#Windows create efi system partition code#

Second, an EFI System Partition (ESP) is simply a FAT partition with a particular type code (namely, C12A7328-F81F-11D2-BA4B-00A0C93EC93B on GPT disks) set. Thus, your concern over this issue is misplaced. Didn't have time, though, but happily everything is fine now.įirst, you don't set the mount point in GParted that's done manually (and temporarily) via the mount command or permanently by editing /etc/fstab.

#Windows create efi system partition install#

I lost the Ubuntu installation (no big deal, it was a fresh install anyway), but I guess that in order to save it, I should have followed grawity's advice. So I guess my case was the following: I had wiped it out and even though I recreated it, it was not filled with any info, since the creation of the ESP was done after an OS had been installed. You say that the ESP doesn't store any info by default, but I guess that when an OS installs, it puts some info there. Now, after I had a proper ESP, I could boot both from HDD or DVD in UEFI mode.

These are my partitions now:ĭuring the Win 8 setup, as soon as I deleted all existing partitions and let Windows reformat the disk, it automatically created, besides the main install partition, three additional partitions, namely 1, 2, 3.

#Windows create efi system partition windows 8.1#

What I did was install Windows 8.1 from scratch by formatting the whole disk and then installing (this time properly) Ubuntu next to it. So again, how do I create an EFI partition, which has the EFI software, so that the laptop can once again boot in UEFI mode? However, I continue to have this problem and I suppose it's because on that partition there is no EFI firmware, it's just an empty partition, which is suitable to have EFI firmware. I then created a partition with the mentioned criteria - mount point, 200MB, FAT32, boot flag. I booted again via the live DVD and then chose to install Ubuntu. Anyway, I just didn't know what values to set.

I didn't set the mount point in /etc/fstab since it's a live CD and fstab looked quite differently from what I expected compared to a normal boot.

In GParted I cannot set the mount point and thus cannot set the bootflag.

I boot from a live Ubuntu DVD, open GParted, create a 200MB partition and format it to FAT32.

I had some trouble creating this partition:

#Windows create efi system partition manual#

Using the manual partitioning, the Ubuntu installer will detect it Mount point: /boot/efi (remark: no need to set this mount point when (the Gparted version included in the 12.04 disk is OK), and must have It is strongly recommended to have only 1 EFI partition perĪn EFI partition can be created via a recent version of GParted Had Windows8 preinstalled), it can be used for Ubuntu too. If your disk already contains an EFI partition (eg if your computer In the Ubuntu installer, you need to make sure you have an EFI If you are manually partitioning your disk I think this is logical - it expects an EFI partition and since it can't find it, it cannot continue booting futher, be it from HDD or DVD. That counts not only for the harddrive, but usb and DVD as well. The problem - since there is no EFI partition whenever I choose from BIOS to boot using UEFI I cannot boot. I am trying to follow this guide on converting my Ubuntu installation from Legacy to UEFI. I discovered that Ubuntu now boots in Legacy mode (and not UEFI). Among the deleted partitions was the EFI System partition. I installed Ubuntu on it, but deleted some partitions on the disk so that I ended up wiping out the Windows and only having Ubuntu. I received it with Windows 7 installed (but I think originally it has shipped with Windows 8). TL DR How do I create an EFI system partition from scratch? How do I put the EFI firmware on it onces it is created?