Windows 10 Anniversary Update break GRUB Linux Partitions with dual-boot system

You might have setup multiple partitions to install both Linux and Windows in a single drive or across multiple drives on one machine, so you can easily choose one between various operating systems at booting process. If your Surface Pro tablet or other Windows 10 computer is running a dual-boot system, Anniversary Update could destroy boot loader in dual-boot config, break GRUB, even delete all Linux partitions. For example, in the first re-booting, Windows 10 doesn’t boot and then showed error “unknown filesystem. Entering rescue mode … grub rescue>” message and I doesn’t figure out how to fix the issue?

Windows 10 Anniversary Update may butch your MBR, and deletes other partition which containing Ubuntu, Fedora, and Chrome OS, without asking. If there are important data on those partitions, you’d better hold off the AU. To resolve the problem about raping your MBR on a kernel update, try the how-to tips for getting rid of that.

How to fix broken boot loader in dual-boot config with Linux Partition after Windows 10 Anniversary Update
* On other PC, download the BOOT-REPAIR-DISK file and burn it on a live-USB key by Rufus or Unetbootin.
* Plug the USB flash drive to your dual-boot device with Internet connection, start from USB(cd-rom), and open an Ubuntu live-session.
* Open a new Terminal, type the commands one by one and press Enter to execute it:
sudo add-apt-repository ppa:yannubuntu/boot-repair
sudo apt-get update
sudo apt-get install -y boot-repair && boot-repair
* Once that’ve done, input boot-repair in a terminal to launch Boot-Repair, click on the Recommended repair button to fix the majority of GRUB/MBR problems.
* Finally make a reboot to check it is working.


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