[Solved]Re: Cannot boot windows dual boot -- is this a grub issue?

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On Thu, 2019-01-03 at 12:44 -0500, William Oliver wrote:
> I just installed Fedora29 on my brand new HP laptop.  The
> installation
> went fine, and Fedora comes up fine.  However, I was trying to
> install
> it as a dual boot machine, and the Windows option does not come up
> either with a "normal" grub bootup or when I choose boot options in
> BIOS.
> 
> THe box has hybrid drive -- 256G SSD and 1 TB regular.  I'm
> installing
> everything on the SSD right now, and then will link out stuff or
> repartition just a bit to move things to the 1 TB drive.  But I
> thought
> I'd just stick to the SSD for installation to minimize hassles.
> 
> I didn't delete or overwrite the EFI partition, and /boot/efi has
> what
> appears to be old HP, Microsoft, and Boot directories in addition to
> the new fedora directory.
> 
> The only thing that was unusual in this installation was that I got
> the
> warning that because I was using GPT, I had to create a 1 MB
> bootsomethingsomething partition -- which I did.
> 
> So, now my drive looks like:
> 
> partition      name         fs       mount     sz          flags
> /dev/nvme0n1p1  EFI         fat32   /boot/efi   260 MB     boot,esp
> /dev/nvme0n1p2 MS reserved  unknown              16 MB     msftres
> /dev/nvme0n1p3 basic data   ntfs                60 GB      msftdata
> /dev/nvme0n1p5              grub2.core.img       2 MB      bios_grub
> /dev/nvme0n1p6              lvm2 pv  fedora     55.89 GB   lvm
> /dev/nvme0n1p4 basic data   ntfs               980
> MB      hidden,diag
> 
> There's about 121 unallocated GB on the SSD, and the 1 TB drive isn't
> mounted.
> 
> Eventually, this will be a triple boot system, with the other OS
> being
> qubesOS.  However, I need a vanilla Fedora boot option because
> qubesOS
> won't support some graphics I need for some apps. But, I usually
> install the Qubes stuff last, since it's such a joy.
> 
> So, I have two questions:
> 
> 1) WHat is this 1 M bootsomethingsomething I had to make?  It looks
> like it turned into something called bios_grub.  I've never had to do
> this before.
> 
> 2) Can someone point me to resources to learn how to troubleshoot
> making grub see my Windows stuff?  Or give me any ideas?
> 
> 
> Thanks!
> 
> billo
> _______________________________________________
> 

OK, my apologies to the list.   I had managed somewhere in my poking
around to turn on legacy boot, and installed Fedora then.  I noticed
that, disabled legacy boot (which then gave the very frightening
warning of "no operating system present"), and then re-installed
Fedora, and now both Windows and Fedora come up as options in the BIOS
boot options and both work.


So, here's an easier (I hope) question.  I remember back in the day,
when I would power up my machine in dual boot mode, grub would give me
a grub menu that let me choose the OS.  Now, it just comes up in
Windows. If I want to boot into Fedora, I have to get into BIOS boot
options and choose it there.  It's not that big a deal, but it would be
easier not to have to start hammering on the escape key when I
reboot...

billo
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