installing windows and linux dual boot

[PowerChaos]

hey every one,

i got a small problem with a dual boot

 

to explain it easy

i just can not get ubuntu and windows to work on a single drive

 

now lets explain what i all dit , so you can see what went wrong

 

first of all , i use a M.2 NVME drive ( crusial 1TB , the P1 ) 

i use a usb stick with E2B (Easy To Boot,  just like rufus only better ) that let me choose a iso that is located on the usb, it use a grub boot loader and some other software to make a easy boot usb drive

 

so i first install windows 10 on the fresh disk

i splitted up the disk in 2 parts , each 500Gb ( 2 parts in total)

windows for some reason feels that it need to take the second partition as boot loader ... every time 

after windows is installed , then i  update windows and after a couple reboots then i start over with ubuntu ( zorin ) 

now the problem starts

it says that it found a windows installation and want to install it next to it ... but it only finds the 500gb part of windows 

if i install it on there , then the second partition is lost ... as i wanted to install it on there

 

after successful install , only windows boot up .. so final result is only 1 partition is in use and i lost 50% of my capacity and linux does not even boot up (only windows loader )

after using the boot loader command in linux i got it partial working , but the boot loader program in windows messed up the windows boot ...

 

so restart and just use the full drive then ? no partitions made 

start windows , clean the drives , select the non allocated space and windows create again a own boot partition ( boot loader )

now when i want to install linux , i got again the option to install it next to windows ... except that it does not find any windows installations except for the usb disk ... that contains only the windows iso ...

manual assigning the partitions fot the linux install breaks my windows install

 

i tried this in both uefi mode and legacy mode 

so far i can not get it working 

maybe i should start with linux first and put windows over it ?? or is windows 10 that much changed from windows 7 or xp so dual boot does not work that nice anymore as in the old days ?

 

 

does any one got a solution how i can get this dual boot work on 2 separate partitions and keep 50% of the drive for each operating system ?

 

Thank you

Greets From Powerchaos

 

ps: for the users who want to know what specs this pc has ( in case you think that stuff is wrong ? ) 

I3-7100 

Asus Prime B-250 Pro ( Bios 1205)

Crusial P1 (M.2)

 

[Guest]

So probably it is using that 500GB partition for the EFI bootloader partition, it's needed even for Linux so unlike MBR in GPT/UEFI you need that and is shared between multiple operating systems
If you also tried legacy with GPT even in this occasion you need a boot mbr partition, if you are using legacy + mbr in this case you do not need any

You may want to partition your system in this way for GPT + EFI

1. 300MB Fat32 EFI formatted system partition
2. 500GB NTFS
3. 4XXGB EXT4
4. xGB SWAP

I would recommend installing Windows first on the first 500GB half and leave unallocated space, then manually creating from the Linux installed the ext4 and swap partitions, while indicating the already-existing FAT32 EFI partition created by windows to be used as /boot/efi