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Black screean and MBR 23FA after recover

bm flag

First of all, English is not my first language, so I'm sorry and I hope it's still clear.

Here's the thing. I have ubuntu 16.04 and windows 10, windows system files are on hard drive, ubuntu is on ssd. A couple of hours ago, the computer turned off urgently for some reason, and not a single system wanted to start. Ubuntu redirected to the console, where it required me to manually execute fsck, which I did. Ubuntu then started, but Windows didn't. All windows files were visible from the ubuntu file system, so I decided to do an MBR recovery.

I found an article on the corresponding problem and entered a total of four commands:

sudo dd if=/usr/lib/syslinux/mbr.bin of=/dev/sdb1 (didn't work, I can't tell what was the error anymore) 
sudo apt-get install mbr 
sudo install-mbr -i n -p D -t 0/dev/sdb1

After the last command, the windows hard drive stopped showing up in the ubuntu file system. At all. When I reboot and select ubuntu, I see a blank black screen and a white inscription "MBR 23FA:"

What did I do wrong? What should I do now? Help me please.

guiverc avatar
cn flag
[Ubuntu 16.04 LTS has reached the end of it's *standard* support life](https://fridge.ubuntu.com/2021/03/13/extended-security-maintenance-for-ubuntu-16-04-xenial-xerus-begins-april-30-2021/) thus is now off-topic here unless your question is specific to helping you move to a supported release of Ubuntu. Ubuntu 16.04 ESM support is available, but not on-topic here, see https://askubuntu.com/help/on-topic See also https://ubuntu.com/blog/ubuntu-16-04-lts-transitions-to-extended-security-maintenance-esm *You mention two OSes - both off-topic on this site; one in ESM support & one non-Ubuntu*
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