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Cant select my 2BE HDD in Ubuntu installation

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AvH

I am trying to download Linux on my laptop for work. I have 2 times 2TB on two seperate HHD (so no external HDD) on a Alienware Dell laptop. (Ubuntu desktop 20.04LTS) I made sure to unallocate the partitions in the second harddrive as suggested and made a life USB with ubuntu flashed on via Balena Etcher. Afterwards I boot from the USB and try to install ubuntu. When I want to install it, i can't select my second hard drive. Ubuntu only shows the first hard drive which is used for windows and the usb drives and not the second which is preserved for ubuntu. How can I select the second hard drive so I can install ubuntu on a seperate drive than Windows? enter image description here

BIOS: BIOS-versie/date Alienware 1.4.0, 8/09/2021 SMBIOS-versie 3.3 Versie van ingesloten controller 255.255 BIOS-modus UEFI

Thank you. Btw I now barely nothing from coding so please explain it briefly.

ChanganAuto avatar
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The above notwithstanding, did you at some point enabled software RAID, dynamic disks or some other Windows proprietary technology? Please [edit] you question accordingly, addressing the questions of both comments. You may include a screenshot of Windows' Drive manager.
AvH avatar
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AvH
I have the Alienware from Dell which has 4TB in total spread in 2 different disks. So there is no external disk present. I downloaded Ubuntu desktop and flashed it on a usb drive using balena etcher. Then I started up the boot from my USB stick to install ubuntu.
ChanganAuto avatar
us flag
Please check UEFI ("BIOS"), drive mode setting. If it has something like "RAID" or "Intel RST", this modes aren't compatible. In that case you need to install AHCI support in Windows and then change to the same mode in UEFI. Also please remember to [edit] the question to add new information, not comments.
karel avatar
sa flag
Does this answer your question? [How to use manual partitioning during installation?](https://askubuntu.com/questions/343268/how-to-use-manual-partitioning-during-installation)
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