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  1.    01 Nov 2015 #1
    Join Date : Sep 2014
    Posts : 48
    Windows 10 Education

    Windows 10 not in MSCONFIG boot menu


    Hi,
    So I was dual booting windows 7 and 10, and when I go into msconfig it used to always shows 7 and 10 in the boot menu.

    I deleted my windows 7 partition and wanted to make sure windows 10 is set to default OS, but now it shows nothing in the boot menu.


    I'm to scared to turn off my PC incase it wont boot :P
      My ComputerSystem Spec
  2.    01 Nov 2015 #2
    Join Date : Jul 2015
    Posts : 9,552
    Windows 10 Pro

    Your boot files were on your Windows 7 partition, so now you don't have any. I would recommend installing Macrium Reflect Free, creating a Rescue USB/DVD, and booting from that to create the boot files on your Windows 10 partition.

    Or you can do this - just substitution Windows 10 for Windows 7:
    https://support.microsoft.com/en-us/kb/2004518
      My ComputerSystem Spec
  3.    01 Nov 2015 #3
    Join Date : Sep 2014
    Posts : 48
    Windows 10 Education
    Thread Starter

    I've already mucked up as now it says MTLDR is missing.

    Press crtl alt del.

    I don't have any OS at the moment :/
      My ComputerSystem Spec
  4.    01 Nov 2015 #4
    Join Date : Feb 2014
    Posts : 9,480
    Windows 10 Professional

    Quote Originally Posted by Mitchell View Post
    I've already mucked up as now it says MTLDR is missing.

    Press crtl alt del.

    I don't have any OS at the moment :/
    Looks like you may be facing a clean install.
    Got any bootable media?
      My ComputersSystem Spec
  5.    01 Nov 2015 #5
    Join Date : Sep 2014
    Posts : 48
    Windows 10 Education
    Thread Starter

    Quote Originally Posted by Edwin View Post
    Looks like you may be facing a clean install.
    Got any bootable media?

    Yep, but no idea how to merge partition into one.
      My ComputerSystem Spec
  6.    01 Nov 2015 #6
    Join Date : Feb 2014
    Posts : 9,480
    Windows 10 Professional

    Quote Originally Posted by Mitchell View Post
    Yep, but no idea how to merge partition into one.
    If you're going to go ahead with a clean, ('bare metal'), install, boot from your install media, follow the prompts and choose 'Custom Install'; at the 'Disks' window delete desired partitions and 'Extend' them into one, then click next and follow the normal install procedure.
    Before you do, make sure you've exhausted all your options first and make backups of anything you can!
      My ComputersSystem Spec
  7.    01 Nov 2015 #7
    Join Date : Jul 2014
    San Jose, California
    Posts : 2,196
    Ubuntu14.04x64 MintMate17x64 Win10Prox64

    Try this to see if it works, it should rebuild the BCD:
    No Bootloader for windows 10 - Windows 10 Forums
      My ComputerSystem Spec
  8.    01 Nov 2015 #8
    Join Date : Sep 2014
    Posts : 48
    Windows 10 Education
    Thread Starter

    Quote Originally Posted by Edwin View Post
    If you're going to go ahead with a clean, ('bare metal'), install, boot from your install media, follow the prompts and choose 'Custom Install'; at the 'Disks' window delete desired partitions and 'Extend' them into one, then click next and follow the normal install procedure.
    Before you do, make sure you've exhausted all your options first and make backups of anything you can!


    Well all my content is stored on a HDD as I use a SSD for OS.
    so I'm happy with a clean install.

    Does everything else look alright.
    should I format on the windows 10 dsk. Looks like something is on it
    i now however get this messageClick image for larger version. 

Name:	image.jpg 
Views:	1 
Size:	1.56 MB 
ID:	45927
      My ComputerSystem Spec
  9.    01 Nov 2015 #9
    Join Date : Jul 2015
    Posts : 9,552
    Windows 10 Pro

    Quote Originally Posted by Mitchell View Post
    I've already mucked up as now it says MTLDR is missing.

    Press crtl alt del.

    I don't have any OS at the moment :/
    You still have all of the OS, but like I said, the boot files were on the partition you deleted. You can rebuild the boot files by booting from a Windows 10 installation USB/DVD.
      My ComputerSystem Spec
  10.    01 Nov 2015 #10
    Join Date : Feb 2014
    Posts : 9,480
    Windows 10 Professional

    @ Mitchell:

    Try the other guys suggestions and try repairing the boot loader first.
    If you've got data somewhere in there, may not want to lose it.
      My ComputersSystem Spec

 
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