Dual booting same Disk two Windows OS partitions HOW TO..


gundobaldo66 said:
Also, the new Dell UEFI BIOS doesn’t detect the SATA HDD , so I cannot set it as a 1st Boot priority.
Click to expand...

No need to change boot order in UEFI BIOS.

Why do you have two EFI system partitions?

Just boot in Windows Setup, delete ALL partitions from the SATA HDD and click Next to proceed. The installer does not create a new EFI system partition.
 

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gundobaldo66 said:
У меня два раздела ОС Windows 11 Pro на одном диске.
Click to expand...
Боже. Используй EasyBCD и забудь о проблемах.

Все.webp
 

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Why don't you simply have your Windows systems on vhdx files and then at boot you'll be presented via the Windows boot manager a choice between the 2 windows systems.

Create ONE single EFI partition (size around 100Mib) format fat32, and then on the rest of the HDD create 2 vhdx files.

plenty of examples on how to do this in these threads so not repeating again - just use the search facility.

Windows boot menu :

MULTIOS.webp
Cheers
jimbo
 

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Dronix said:
Боже. Используй EasyBCD и забудь о проблемах.

View attachment 123125
Click to expand...

Thank you Dronix

If I knew about computers as much as I know history and languages, I wouldn't need to ask for help. But unfortunately I don't . I'll leave it at that, with renewed thanks.

I notice you are from Symferopol in Ukraine. By the way, I do not understand the Russian (or Ukrainian ?) in your post but If you happen to be Tatar, as many Crimeans are, I'll convey my thanks to you for your help in my broken self-taught Turkish.
You may understand, because Turkish and Tatar are very very close.


Bu arada, Rusça (veya Ukraynaca?) anlamıyorum ama eğer Tatar olursanız, birçok Kırımlı gibi, kendi kendime öğrendiğim kırık dökük Türkçemdeki yardımlarınız için size teşekkürlerimi ileteceğim.
Anlayabilirsiniz, çünkü Türkçe ve Tatarca çok çok yakındır.

Teşekkür ederim, büyük Akmescit şehrinden, beyaz Cami'den arkadaşım

Yardımın için teşekkür ederim kardeşim ve Allah senden razı olsun
 

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gundobaldo66 said:
but If you happen to be Tatar, as many Crimeans are, I'll convey my thanks to you for your help in my broken self-taught Turkish.
Click to expand...
I am a Ukrainian by nationality. Will there be no greetings for me? :lmao:
 

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Of course I will thank you...and I might add, with the hope that this painful, horrible and tragic war may come to an end as soon as possible.

I read a lot about Ukraine's glorious history and Crimea. The closest I came to Crimea was a few hundreds',km across the Black Sea, in Samsun and Trabzon, today's Turkey . I wanted to have a sense of what Anatolia and the Black Sea, once part of the Greek world and later the Byzantine Empire looked like.
What spurred my interest in this part of the world is that I am Italian and the Graeco-Roman heritage is one of the main facets of our culture. Particularly, the Black Sea and Crimea were for centuries the seat of prosperous Genoese colonies, like Yalta and Caffa in Ukraine ) ( todays Feodosia /Kefe ), along with many other Genoese trading colonies dotting the Black Sea coast, to the point that The Black Sea appeared in some of the Medieval maps " Lacus Genoensis ( the Sea or Lake of Genoa ). Through the centuries there have been several Italian settlement waves, the earliest at the time of the Republic of Genoa and the latest as late as the XIX century, mainly in Kerch , were there is a local Association of about 300 people, who still maintain ties with Italy and the language


I went off the topic, but I thought it may be of interest to you

Gundo
 

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jimbo45 said:
Why don't you simply have your Windows systems on vhdx files and then at boot you'll be presented via the Windows boot manager a choice between the 2 windows systems.
Click to expand...
Is there an advantage of installing Windows on a vhdx drive as compared to just installing it to a second drive? I ask because because like the OP, I've had trouble dual booting and Windows trying unsuccessfully to repair it. I had to use Macrium to fix it. I don't know why the boot problem though. The NVMe drive was removed when I installed 24H2 to the SSD so they're not sharing the same boot partition.
 

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Winuser said:
Is there an advantage of installing Windows on a vhdx drive as compared to just installing it to a second drive? I ask because because like the OP, I've had trouble dual booting and Windows trying unsuccessfully to repair it. I had to use Macrium to fix it. I don't know why the boot problem though. The NVMe drive was removed when I installed 24H2 to the SSD so they're not sharing the same boot partition.
Click to expand...
Multiple advantages:

1) No partitioning of disks needed.
2) Super easy to remove that copy of Windows. Should literally take under 30 seconds.
3) Portable - you can easily move the VHD to another system or another drive or partition in the local system.
 

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hsehestedt said:
Multiple advantages:

1) No partitioning of disks needed.
2) Super easy to remove that copy of Windows. Should literally take under 30 seconds.
3) Portable - you can easily move the VHD to another system or another drive or partition in the local system.
Click to expand...
If I continue having trouble dual booting I'll give a vhdx drive a try. So far I haven't had any problems after my last boot repair. It's too soon to know if the problem is permanently fixed. Fingers crossed! ;-)
 

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hsehestedt said:
Multiple advantages:

1) No partitioning of disks needed.
2) Super easy to remove that copy of Windows. Should literally take under 30 seconds.
3) Portable - you can easily move the VHD to another system or another drive or partition in the local system.
Click to expand...
Thanks

Sounds interesting I'll try the vhdx drive option , but it is uncharted terrain for me, I'll have to look online how to do it.

Gundo
 

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