VeraCrypt

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VeraCrypt Rescue Disk

During the process of preparing the encryption of a system partition/drive, VeraCrypt requires that you create a so-called VeraCrypt Rescue Disk (USB disk in EFI boot mode, CD/DVD in MBR legacy boot mode), which serves the following purposes:
 
Note that even if you lose your VeraCrypt Rescue Disk and an attacker finds it, he or she will not be able to decrypt the system partition or drive without the correct password.
To boot a VeraCrypt Rescue Disk, insert it into a USB port or your CD/DVD drive depending on its type and restart your computer. If the VeraCrypt Rescue Disk screen does not appear (or in case of MBR legacy boot mode if you do not see the 'Repair Options' item in the 'Keyboard Controls' section of the screen), it is possible that your BIOS is configured to attempt to boot from hard drives before USB drivers and CD/DVD drives. If that is the case, restart your computer, press F2 or Delete (as soon as you see a BIOS start-up screen), and wait until a BIOS configuration screen appears. If no BIOS configuration screen appears, restart (reset) the computer again and start pressing F2 or Delete repeatedly as soon as you restart (reset) the computer. When a BIOS configuration screen appears, configure your BIOS to boot from the USB drive and CD/DVD drive first (for information on how to do so, please refer to the documentation for your BIOS/motherboard or contact your computer vendor's technical support team for assistance). Then restart your computer. The VeraCrypt Rescue Disk screen should appear now. Note: In the case of MBR legacy boot mode, you can select 'Repair Options' on the VeraCrypt Rescue Disk screen by pressing F8 on your keyboard.

If your VeraCrypt Rescue Disk is damaged, you can create a new one by selecting System > Create Rescue Disk. To find out whether your VeraCrypt Rescue Disk is damaged, insert it into a USB port (or into your CD/DVD drive in case of MBR legacy boot mode) and select System > Verify Rescue Disk.

VeraCrypt Rescue Disk for MBR legacy boot mode on USB Stick

It is also possible to create a VeraCrypt Rescue Disk for MBR legacy boot mode on a USB drive, in case your machine does not have a CD/DVD drive. Please note that you must ensure that the data on the USB stick is not overwritten! If you lose the USB drive or your data is damaged, you will not be able to recover your system in case of a problem!
To create a bootable VeraCrypt Rescue USB drive you have to create a bootable USB drive which bootloader runs up the iso image. Solutions like Unetbootin, which try to copy the data inside the iso image to the usb drive do not work yet. On Windows please follow the steps below: