On Jun 6, 2013, at 2:22 PM, A.J. Werkman <[email protected]> wrote:
> Booted F19TC1 rescue in EFI mode.
> 
> The output of efibootmgr --verbose is:
> 
> BootCurrent: 0007
> Timeout: 1 seconds
> BootOrder: 0000,0007,0008,0005,0003,0006,0004
> Boot0000* Windows Boot Manager    
> HD(2,96800,31800,06701451-3ec2-4b01-8dac-17f25a3c6bd4)File(\EFI\Microsoft\Boot\bootmgfw.efi)WINDOWS.........x...B.C.D.O.B.J.E.C.T.=.{.9.d.e.a.8.6.2.c.-.5.c.d.d.-.4.e.7.0.-.a.c.c.1.-.f.3.2.b.3.4.4.d.4.7.9.5.}....................
> Boot0003* SanDisk SDSSDH2256G    BIOS(2,0,00)AMBO
> Boot0004* IBA GE Slot 00C8 v1381    BIOS(6,0,00)AMBO
> Boot0005* TSSTcorp CDDVDW SH-S223C    BIOS(3,0,00)AMBO
> Boot0006* hp v135w 0.00    BIOS(2,0,00)AMBO
> Boot0007* UEFI: TSSTcorp CDDVDW SH-S223C    
> ACPI(a0341d0,0)PCI(1f,2)03120a000200ffff0000CD-ROM(1,8309,2fac)AMBO
> Boot0008* UEFI: TSSTcorp CDDVDW SH-S223C    
> ACPI(a0341d0,0)PCI(1f,2)03120a000200ffff0000Vendor(ba7c46d1-9c5e-4fc8-943d-1a491f23fe01,c2770200000277c222001d0000000000001d0008000000000800450c1f130000ec0200000100000101004665646f72612031392d544331207838365f3634202020202020202020202020)AMBO
> Boot000A* SanDisk SDSSDH2256G    BIOS(2,0,00)AMBO

If the computer is in UEFI mode boot (not legacy boot) then GRUB shouldn't even 
appear on-screen, and the computer will immediately boot Windows. Only if the 
firmware is being told to use the CSM should it do so, and then load and 
execute the code in the MBR, and thus bring up GRUB BIOS from the PXE 
installation.

So the question is, does Windows boot if the computer's firmware is set to UEFI 
boot.



Chris Murphy
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