How do I mount the EFI partition on Windows 8.1 so that it is readable and writeable?
- restart machine with Windows 8.1
- determine «EFI System» partition with the Disk Management utility
- run command prompt as administrator
- type diskpart
- type select disk 0 then select partition 2 then assign
- open windows explorer windows+e
- refresh if the drive is not showing F5
- try to open drive by double clicking
What I expected to happen:
I can at least look at my EFI partition files.
after clicking continue
after clicking «security tab» link, no security tab
What do I need to do to access my EFI partition on Windows 8.1?
5 Answers 5
The official way of mounting the EFI partition is
where b: is a drive letter of your choosing. You can remove the mapping with:
You still need to launch explorer.exe with administrative privileges in order to see the mountpoint (kill explorer.exe , then launch one from an elevated command prompt)
The reason why you can’t access it on Windows Explorer (File Explorer) is because by default it does not run with administrative privileges. If you let’s say kill Explorer and execute it again from an elevated command prompt then you will have access to the EFI partition through File Explorer.
First open an elevated command prompt and give the EFI partition a drive letter, you can do it with mountvol as shown in jmiserez’s answer (recommended) or with diskpart . In the following example the EFI partition is on disk 0 , partition 1 and will be assigned to letter b :
Now kill the File Explorer process and start it with administrative privileges:
Now you can access the EFI partition with File Explorer.
Note that the EFI partition is a FAT32 file system partition. FAT partitions don’t have the Security tab, this is a NTFS feature only.
How to mount EFI partition from Windows, Linux or Mac
noobsplanet
Well-known member
The EFI system partition (ESP) is a partition on a data storage device (usually a hard disk drive(HDD) or solid-state drive(SSD) that is used by computers adhering to the Unified Extensible Firmware Interface (UEFI). UEFI requires the firmware and operating system loader (or kernel) to be size-matched; for example, a 64-bit UEFI firmware implementation can load only a 64-bit operating system (OS) boot loader or kernel. This is a partition created automatically when you install an operating system in any UEFI boot mode but In case of Hackintosh, It is not created because you are installing Mac on non-Apple hardware. so, that we’ve to install Clover which will create an EFI partition and make Hackintosh bootable.
EFI partition only boots files and contains very sensitive data so this partition will be always hidden either you use Hackintosh, Windows or Linux, but It can be accessed in many ways. But remember while accessing the EFI partition don’t touch its other files and folder other than you need. Some minor changes in unnecessary files may cause your system unbootable, so be very careful while you work with your EFI partition. If you’ve dual boot and if something went wrong with your config and your Hackintosh is unbootable then, in that case, you can simply switch your OS and revert your changes, this will be worth step other than reinstalling your system. The following are the steps that you can use to mount your EFI partition.
Using Mac
- Terminal
The best, fastest and easiest way is Terminal (Launcher > Utilities > Terminal), which is installed by default in any version of MacOS, I always use Terminal to mount my EFI partition, this can be done with the single command :
OR
If the above command didn’t mount the EFI partition or you’ve multiple EFI partition then you use diskutil list like below:
EFI Mounter
A small utility you can download it from here, this can be helpful in mounting and unmounting your EFI partition. If you’re not familiar with Terminal commands, you may use this as this is very simple and light utility.
Download EFI Mounter
Clover Configurator
Clover Configurator actually is a GUI program that is made for editing config.plist, this is one of the most have tool for hackintosh due to it’s features. You can edit your config.plist graphically with few clicks. This has an option at bottom left menu for mount and unmount EFI partition.
Download Clover Configurator
There are also other lots of tools and scripts. You can also mount EFI using popular tool called
Using Ubuntu
- Gparted
GParted is a free partition editor for graphically managing your disk partitions especially preferred default volume manager in most Linux system including Ubuntu. With GParted you can mount, unmount, resize, copy, and move partitions without data loss. This one is installed by default in most of the Linux System, especially in penetration distros. You can check it on your Linux, if it’s not installed then you can simply install this with following command in Debian based OS.Just open Gparted and search EFI partition on your list right click and select mount.
Nautilus
I love Debian based OSes a lot so I had used Ubuntu, Kali, etc. on past life most of the time as these OSes are easy and user-friendly. So, I have found so far the easiest way to mount the EFI partition on the Linux operating system is open nautilus with sudo permission.create partition efi create partition efi
Область применения: Windows Server (половина ежегодного канала), Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012 Applies to: Windows Server (Semi-Annual Channel), Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012
Создает системный раздел интерфейса EFI на диске с таблицей разделов GPT на компьютерах на базе процессоров Itanium. Creates an Extensible Firmware Interface (EFI) system partition on a GUID Partition Table (gpt) disk on Itanium-based computers. После создания секции фокус передается новой секции. After the partition is created, the focus is given to the new partition.
Для выполнения этой операции необходимо выбрать диск GPT. A gpt disk must be selected for this operation to succeed. Используйте команду Выбор диска , чтобы выбрать диск и переместить фокус на него. Use the select disk command to select a disk and shift the focus to it.
Синтаксис Syntax
Параметры Parameters
Параметр Parameter Описание Description Размер = size= Размер раздела в мегабайтах (МБ). The size of the partition in megabytes (MB). Если размер не указан, раздел будет продолжаться до тех пор, пока в текущем регионе не останется свободного места. If no size is given, the partition continues until there is no more free space in the current region. offset = offset= Смещение в килобайтах (КБ), в котором создается секция. The offset in kilobytes (KB), at which the partition is created. Если смещение не задано, раздел помещается в первый экстент диска, достаточно большой для его хранения. If no offset is given, the partition is placed in the first disk extent that is large enough to hold it. Noerr noerr Только для сценариев. For scripting only. При возникновении ошибки DiskPart продолжит обрабатывать команды, как если бы ошибка не возникала. When an error is encountered, DiskPart continues to process commands as if the error did not occur. Без этого параметра ошибка приводит к выходу из программы DiskPart с кодом ошибки. Without this parameter, an error causes DiskPart to exit with an error code. Примечания Remarks
Перед использованием команды » создать » необходимо добавить по крайней мере один том с помощью команды » Добавить том «. You must add at least one volume with the add volume command before you can use the create command.
После выполнения команды CREATE можно использовать команду exec , чтобы выполнить повторяющийся скрипт для резервного копирования из теневой копии. After you run the create command, you can use the exec command to run a duplication script for backup from the shadow copy.
Чтобы указать полную резервную копию, а не резервную копию, можно использовать команду начать резервное копирование. You can use the begin backup command to specify a full backup, rather than a copy backup.
Примеры Examples
Чтобы создать раздел EFI с 1000 МБ на выбранном диске, введите: To create an EFI partition of 1000 megabytes on the selected disk, type: