Re: Is it possible to dual-boot both MBR & GPT without changing BIOS settings on laptop
Java Jive <[email protected]>
| Newsgroups | alt.os.linux,uk.comp.os.linux,alt.comp.microsoft.windows,alt.comp.os.windows-11 |
|---|---|
| Organization | A noiseless patient Spider |
| Message-ID | <[email protected]> |
On 2025-10-31 12:56, Java Jive wrote: > > As per subject, as I now have on the same PC some OSs - Ubuntu24, > Windows7/10 - installed on an MBR disk and Windows 11 installed on a > GPT/UEFI disk, I'd like if possible to find a way of booting any of > them, and MBR/GPT USB sticks, without constantly having to change the > BIOS settings on the PC. > > Research into whether this is possible seems to produce mixed results, > mostly not, but a few suggesting it's possible, but I haven't yet found > anything with clear and understandable instructions on how to achieve it. > > My own gut feeling is that it should be possible, but, while I have a > good understanding of how a PC boots an MBR disk, I have less > understanding how one boots a GPT/UEFI disk. > > Has anyone here been able to achieve this? Does anyone know of good > reliable sources of information about this? Please all respondents accept my apologies for not replying sooner. I've read all the replies and am trying some things, but being delayed by problems with the Win11 image I have, so am constantly having to retrace steps to remake, all of which is wasting a great deal of time. I'll report back after I'm in a position to try some things out, in the meantime, the answer given here seems quite a good, and encouraging, summary: https://superuser.com/questions/1165557/how-grub2-works-on-a-mbr-partitioned-disk-and-gpt-partitioned-disk -- Fake news kills! I may be contacted via the contact address given on my website: www.macfh.co.uk