Ubuntu: Will my drive show up when installing Windows if I change it from RAID to AHCI?



Question:

I have Windows 10 installed on a 256gb SSD with a NTFS File System. I noticed that when trying to replace the OS with Ubuntu 16.04 that my partitions were not showing up, only my FAT-32 USB Drive with the Ubuntu ISO.

I then went into my BIOS and saw that my computer was using RAID (Intel Rapid Storage Technology), not AHCI.

Will my drive show up when installing Windows if I change to AHCI or are these problems unrelated?


Solution:1

Will my drive show up when installing Windows if I change to AHCI or are these problems unrelated?

In my experience, the answer is yes. Changing the controller from Intel RST Premium (or similar) to AHCI will allow the Ubuntu installer (and GParted) to view the disk and its partitions.

I had to make the same change on my laptop in order to proceed with installation (dual boot). I have written about the steps as a reply to this question: Trouble installing ubuntu for dual boot along with win 10. The installation type table is empty.


Solution:2

If you're trying to install Ubuntu in EFI mode, then you should disable Intel's RST before installing it to avoid boot problems after installation. Source: https://help.ubuntu.com/community/UEFI

Copying from the source:

  • In your firmware, disable QuickBoot/FastBoot and Intel Smart Response Technology (SRT). If you have Windows 8, also disable Fast Startup. Disabling Fast Startup is only related to those who want to dual-boot Ubuntu with Windows of course.

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