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Boot windows on external disk : "not a valid root device"
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From: |
Hervé Guillemet |
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Subject: |
Boot windows on external disk : "not a valid root device" |
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Date: |
Wed, 02 Jan 2013 00:31:14 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Thunderbird/17.0 |
Hi,
I have a new Asus N56VZ laptop and replaced the Windows hard drive by a
SSD with Linux installed. EFI Grub2 successfully launchs Linux.
Now I'd like to boot Windows from the original hard drive mounted by USB.
No matter what I try, either using grub.cfg or command line, Grub's
chainloader fails :
> set root=(usb0,gpt1)
> chainloader ($root)/EFI/Microsoft/Boot/bootmgfw.efi
Error: not a valid root device.
The content of the drive may be seen using "ls".
What's the exact meaning of "not a valid root device" ?
Thanks,
--
Hervé