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I already have windows installed and I just installed Ubuntu and I was expecting that it will ask me which OS to boot after startup but it didn't.

I refer the link but didn't work Windows 7 not showing up in boot after installing Ubuntu.

I set the option of Erase disk and install Ubuntu. But it says currently has no detected operating system. enter image description here

How to set this option now. I already have Ubuntu installed and I am not getting option to boot windows.

Community
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eswaat
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2 Answers2

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try the below command :- 

sudo os-prober

sudo update-grub

reboot

Hope this helps!

Ashu_FalcoN
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BDRSuite
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If you have installation CD of Windows, you can repair the bootloader of Windows with the help of command line, typing the following code:

bootrec /fixmbr

It will restore the Windows bootloader for you.

Ziyaddin Sadygly
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