How to restore Windows 8.1?

Hi all. I need help. I put next to the Windows 8.1 Centos7. established normally. now Windows no. trying to get back to the menu loader. To do this, enter the command

sudo vim /boot/grub2/grub.cfg

menuentry "Windows 8" {
 set root='(hd0, 2)'
 chainloader +1
}


The problem is that I don't know what numbers you need to write to (hd0, 2).
how do you know?

after reboot in boot menu when clicking on windows 8.1. writes that the disk is hd0, 2 not found. as of ispraviti?
March 23rd 20 at 18:59
1 answer
March 23rd 20 at 19:01
Oh, and Linux is already on YouTube.

Make update-grub from root.
why no one can say nomralno what to do for 4 months trying to resolve this not a real problem((( update here with??????????? - Maya.Haag86 commented on March 23rd 20 at 19:04
@Maya.Haag86, 4 months?..
Update though it updates the list of operating systems. - darren_Brekke commented on March 23rd 20 at 19:07
@darren_Brekke, Yes.. here it is discussed:

As accurate to carry CentOs7, so much so that wind though, which is next to the tsentosa was launched?
How to restore windows boot loader menu after the installation of Centos7?
nothing helped from them. - Maya.Haag86 commented on March 23rd 20 at 19:10
@Maya.Haag86, then go to the other side and restore the Grub and boot loader Windows. Tried? - darren_Brekke commented on March 23rd 20 at 19:13
@darren_Brekkenot quite understand what you have written right now - Maya.Haag86 commented on March 23rd 20 at 19:16
@darren_Brekkehow to do it - Maya.Haag86 commented on March 23rd 20 at 19:19
@Maya.Haag86, winitpro.ru/index.php/2014/03/20/repair-bootloader... - darren_Brekke commented on March 23rd 20 at 19:22
@darren_Brekke, right now, he did another mistake writes. I would just explain what this code означаетset root='(hd0, 2)' what numbers need to substitute - Maya.Haag86 commented on March 23rd 20 at 19:25
@darren_Brekke, error invalid signature now says - Maya.Haag86 commented on March 23rd 20 at 19:28
@Maya.Haag86is the disk number and the partition number. Loop the second digit from 0 to 5. - darren_Brekke commented on March 23rd 20 at 19:31
Sorry... 4 months of tried - perhaps there is some history of what I've tried to do? Why would this information not to write in a post? - collin.Macejkovic commented on March 23rd 20 at 19:34
@mixail_fe@collin.Macejkovic and make sense? - Maya.Haag86 commented on March 23rd 20 at 19:37
@darren_Brekke, okay, thanks, I'll try - Maya.Haag86 commented on March 23rd 20 at 19:40
@darren_Brekke, in General I changed 2 to 1. earned - Maya.Haag86 commented on March 23rd 20 at 19:43
@darren_Brekke, another question how to make zarustica menu to primarily run Windows and not tsentos? - Maya.Haag86 commented on March 23rd 20 at 19:46
@Maya.Haag86, earned - mark answer! - Reanna.OConner commented on March 23rd 20 at 19:49
@Reanna.OConner, I'd love to, just don't see this icon - Maya.Haag86 commented on March 23rd 20 at 19:52

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