[ML-General] linux dual boot win 8.1?

[Hunter Fuller]

Actually EFI is completely unrelated to BIOS. Some EFI-type firmwares
have BIOS compatibility, but it is an optional module. It is not BIOS
and shares no code, if any, with BIOS.

What has likely happened here is, when the computer is in UEFI mode,
it boots Windows, since the boot process is not using the MBR, which
is only for the benefit of BIOS. When the computer is in Legacy mode,
it runs a BIOS emulator, which reads the MBR and starts Linux.

Honestly, if you don't mind just toggling that switch - you could dual
boot that way.

If you do want it to work "normally" though - you have to install
Windows and then Linux in one mode or the other. If you switch boot
modes halfway through, you will end up with a really strange set up.


--
Hunter Fuller




On Thu, Oct 8, 2015 at 5:54 PM, david <ainut at knology.net> wrote:
> UEFI is a virtual BIOS, software loaded versus "hardcoded" in firmware, so
> it's  much easier to change and update.  It also, in current configuration,
> allows more flexibility in disks, etc.  There are downsides to it, though,
> as legacy (already?) BIOS-using OS's don't mate well with UEFI on occasion,
> as you are witnessing.  Sorry I can't tell you how to safely recover your
> system to a seamless boot.  Haven't studied UEFI enough yet.
>
>
>
>
> On 10/08/2015 05:50 PM, Michael Patton wrote:
>
> So, I got linux mint installed along side Win 8, but when grub comes up and
> I select "windows 8" it says that the boot record is missing or contains
> errors...I completely panicked...so I turned it off and i'm able to get into
> the setup and...well, now I can't remember what I selected but windows
> loads.
>
> During the install process, I switched the boot from UEFI to Legacy to get
> it to find the usb stick early enough to boot. No matter how many times I
> tried, this was the only way it would find the usb stick and boot from it
> first (already changed the boot order, etc.).
>
> So, it's installed and works, windows 8 still here and works, but obviously
> something isn't right.
>
> Should I change it back to UEFI now that everything is installed? I don't
> understand wth UEFI is...
>
> Also, didn't want to run a virtual machine, so that's why I wanted to do a
> dual boot (again).
>
> Thx.
>
>
> On Thu, Oct 8, 2015 at 4:40 PM, Christopher <c.boggs at gmail.com> wrote:
>>
>> +1
>>
>> On Oct 8, 2015 4:17 PM, "Chris Smith" <john.chris.smith at gmail.com> wrote:
>>>
>>> Be aware that your new laptop almost certainly boots using UEFI, which is
>>> different from the legacy BIOS method. Mint appears to be set up to handle
>>> UEFI, but I would read about it first.
>>>
>>> Google is your friend. Here is the top result for "mint uefi dual boot":
>>>
>>> http://linuxbsdos.com/2014/06/11/how-to-dual-boot-linux-mint-17-and-windows-8-on-a-pc-with-uefi-firmware/
>>>
>>> Have you considered using virtualization? VMware or virtualbox will save
>>> you from the headaches of dual booting.
>>>
>>> Benefits of virtualization:
>>> Snapshots
>>> No reboot necessary
>>> Won't render your system unbootable
>>> No need to resize partitions
>>> It's cool
>>> Etc.
>>>
>>> Good luck!
>>>
>>> --Chris Smith
>>> john.chris.smith at gmail.com
>>>
>>> On Oct 8, 2015 2:03 PM, "Michael Patton" <pattoma at gmail.com> wrote:
>>>>
>>>> Hey y'all. I've been out of the dual boot world for at least 4 years. I
>>>> have a new laptop (lenovo) with windows 8.1, touch screen, etc.
>>>>
>>>> I want to do a dual boot with linux - installing mint from a usb thumb
>>>> drive. I don't want to do the live usb thing because I want to do dev work
>>>> on it and if it dies...I die.
>>>>
>>>> Has anyone done this recently that wouldn't mind letting me email them
>>>> if I get stuck?
>>>>
>>>> Thx,
>>>> mike
>>>>
>>>>
>>>>
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