preparing to test/install ubuntu on new windows box

[Liam Proven]

On 17/06/2025 2:33 pm, Robert Moskowitz via ubuntu-users wrote:
> 
> My notebook is Fedora 41 with Xfce.  So I just downloaded the Ubuntu 25 
> iso had used its "Disk Image Writer" to a USB to make it bootable.

Try Ventoy instead. Quicker, easier, 10x more versatile. One key can 
have Windows, Fedora and Ubuntu ISO files.

https://www.ventoy.net/en/index.html

> 
> Well it seems like you are planning to keep a Win partition for duo 
> boot?  Advice elsewhere.  But if only Ubuntu, its default is to set up a 
> boot partition and an LVM partition.  You can grow the LVM later and 
> grow the / partition in it.  Swap is a file in /

Are you sure about that? It's not in my experience. Fedora defaults to 
LVM in some circumstances but not  Ubuntu.


> Just put this new drive in that system and do the install from USB 
> directly on it on the target hardware.  Ubuntu install will make the 
> drive bootable and the system "aware" that there is a bootable drive in it.
> 
> All magic.
Agreed.

The only caveats when dual booting:

* Turn off Secure Boot -- its claimed security is mostly bogus

* Turn off Windows Bitlocker disk encryption

* Check if the motherboard's disk controller is in RAID mode. Some 
vendors, e.g. Dell, do this. My suspicion is that they accepted 
Mictrosoft's $$$ to make life harder for Linux users unless those people 
buy a Dell preinstalled with Linux.

People will tell you this means reinstalling Windows. Not true.

Put Windows in Safe Mode, change the disk controller setting in the 
UEFI, restart, exit Safe Mode. Job done. Takes 2-3 min.

https://superuser.com/questions/1280141/switch-raid-to-ahci-without-reinstalling-windows-10

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