Ubuntu

cant boot windows with out external harddrive

Asked by MuslimX

I have unbuntu installed on an external harddrive but when i try to boot my laptop with out my external harddrive attached i get a grub error 21. but when it is attached i dont. anyone know how i can boot my laptop windows with out the external harddrive?

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Abi ^-^ (abiyasa-eka) said : 		#1

this some information for you https://answers.launchpad.net/ubuntu/+question/11286

Maybe useful ...

Thanks ^-^

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Wyatt Smith (wyatt-smith) said : 		#2

There are two ways to solve this. One is by using windows boot loader to boot both. The second is by creating a dedicated boot or grub partition on your internal hard drive. You may find more support and step-by-step instructions at ubuntu forums in helping you do this. I prefer the first method for Windows laptops that only boot Ubuntu from externals (This provides the smallest linux footprint on the Windows Machine).

Short answer for using Window Bootloader

1) Restore windows MBR to your internal hard drive.
2) Install grub to MBR of external hard drive.
3) Copy external drives MBR to a file in windows root directory with dd command
4) Edit you boot.ini and add an entry for Ubuntu.

Please read this page to help help with steps 3 and 4
http://ubuntuforums.org/showthread.php?t=236846

Hope this helps

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