Re: How to disable UEFI ??

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Author: Stephen Partington
Date:  
To: Main PLUG discussion list
Subject: Re: How to disable UEFI ??
Lenovo UEFI boot is kinda surreal. Very little warning that Bios has gone
by before the OS is loading.

On Fri, May 4, 2018 at 6:29 PM, Brian Cluff <> wrote:

> Same here. I find UEFI to be superior to BIOS, but secure boot, can be
> problematic, but mostly because of who has to sign the boot loaders.
>
> Most people that I have run into actually just have a beef with not having
> the familiar MBR style of booting, but that just comes from a lack of
> experience with proper UEFI boot experience, and not realizing that the way
> UEFI boots things is completely different to the way BIOS boots things...
> like not realizing that you are required to have a EFI partition on your
> drive. Most of the time that I've seen an unbootable UEFI system is
> because the whole system was partitioned without that necessary partition,
> so the system will be fully installed, just without any way to be booted.
>
> Once I wrapped my head around the way UEFI boots systems I found it to be
> a much better system than the old MBR method that tends to only allow the
> last system to load to actually boot... especially if that last system is
> windows.
>
> Brian Cluff
>
>
> On 05/03/2018 04:19 PM, Stephen Partington wrote:
>
> I have had no issues with UEFI and Linux. The only time I have arguments
> with it is surrounding the secure boot process and playing nice with windows
>
> On Thu, May 3, 2018, 4:00 PM Eric Oyen <> wrote:
>
>> I suspect that he would like to remove at least 1.5 layers of kernel code
>> between the OS and the hardware.
>>
>> Honestly, I really wish the UEFI consortium would get with the program
>> and compile in some BrltTY support (it's easy enough to do considering that
>> BrltTY is lightweight, can have it's libs compiled in and should work under
>> the UEFI Linux-like environment.
>>
>> Believe me, having braille or speech available right from the POST would
>> greatly enhance my ability to deal with specific hardware issues that crop
>> up from time to time.
>>
>> -eric
>>
>> On May 3, 2018, at 3:35 PM, Stephen Partington wrote:
>>
>> Bios is older than me. Is there a specific reason you want to disable
>> UEFI?
>>
>> On Thu, May 3, 2018, 3:22 PM Matthew Crews <>
>> wrote:
>>
>>>
>>> On May 2, 2018 9:19 PM, <> wrote:
>>>
>>> > How can I disable UEFI on my Thinkpad T430
>>> > so I can install Linux Mint 18?
>>> >
>>> > I've search the net and tried numerous "solutions"
>>> > but can't get any of them to work.
>>>
>>> My gut tells me that you can't on your specific machine. Most
>>> motherboard vendors have deprecated BIOS support in favor of UEFI, and
>>> Intel has specifically said that BIOS will not be supported in 2020. Best
>>> get used to the idea of running with UEFI, as much as we all hate it.
>>>
>>> Perhaps what you should be looking to do is disable SecureBoot, and then
>>> looking into installing Linux Mint 18 in UEFI mode? I'd wager that the MInt
>>> installer supports UEFI. Worst case you install Ubuntu or one of its
>>> variants, they definitely support UEFI.
>>>
>>>
>>>
>>>
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--
A mouse trap, placed on top of your alarm clock, will prevent you from
rolling over and going back to sleep after you hit the snooze button.

Stephen
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