Dual-Boot Partitioning RAID AHCI – Cannot Change from RAID to AHCI in BIOS

ahcidual-bootpartitioningraidsystem-installation

I recently got a new laptop HP Envy (Model: 15M-ED0023DX). Its full SSD machine and I want to the change the SATA from RAID to AHCI so that I could see the partitions when I boot from pendrive (Ubuntu) Reference.

However when I go to BIOS I do not see AHCI as an option. A similar answer from HP Forum Reference.

Is there any way around this, so that I can install Ubuntu on my machine?

Thanks

Best Answer

After disabling Optane from Intel's RAID software, as we as from BIOS, all the partitions are visible when you live boot, so its safe install.

Please Note: Windows might crash when you disable optane, so keep a windows bootable ready too, if you need to reinstall it.

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Change the SATA settings in the UEFI setup utility from RAID mode to AHCI mode, and use UEFI for both Windows 10 and Ubuntu 16.04 which are installed alongside each other as a dual boot, but in Windows you have to first install AHCI drivers. Windows AHCI instructions: https://askubuntu.com/a/963100/ & https://askubuntu.com/a/1148150/.

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You don't need to reinstall Windows...

Some folks have found the 2nd choice that I provide easier to do...

#Make sure to have a backup of your important Windows files!

You've got a single SSD set up in RAID mode, and the Ubuntu installer won't recognize your SSD until you switch your disk setting in the BIOS from RAID to AHCI.

Making that switch comes with some problems though, as Windows will no longer boot.

Choice #1: Looking at this article https://samnicholls.net/2016/01/14/how-to-switch-sata-raid-to-ahci-windows-10-xps-13/ will show you how to make the change without having to reinstall Windows.

Boot to Windows with your current SATA controller configuration

Open Device Manager

Expand Storage Controllers and identify the Intel SATA RAID Controller

View properties of the identified controller

On the Driver tab, click the Update driver… button

Browse my computer…, Let me pick…

Uncheck Show compatible hardware

Select Microsoft as manufacturer

Select Microsoft Storage Spaces Controller as model #

Accept that Windows cannot confirm that this driver is compatible

Save changes, reboot to BIOS and change RAID SATA Controller to AHCI

Save changes and reboot normally, hopefully to Windows

~~Now you should be able to install Ubuntu in a dual-boot configuration.~~

Choice #2: See http://triplescomputers.com/blog/uncategorized/solution-switch-windows-10-from-raidide-to-ahci-operation/

Right-click the Windows Start Menu. Choose Command Prompt (Admin).
If you don’t see Command Prompt listed, it’s because you have already been updated to a later version of Windows. If so, use this method instead to get to the Command Prompt:
Click the Start Button and type cmd
Right-click the result and select Run as administrator
Type this command and press ENTER: bcdedit /set {current} safeboot minimal
If this command does not work for you, try bcdedit /set safeboot minimal
Restart the computer and enter BIOS Setup (the key to press varies between systems).
Change the SATA Operation mode to AHCI from either IDE or RAID (again, the language varies).
Save changes and exit Setup and Windows will automatically boot to Safe Mode.
Right-click the Windows Start Menu once more. Choose Command Prompt (Admin)
Type this command and press ENTER: bcdedit /deletevalue {current} safeboot
If you had to try the alternate command above, you will likely need to do so here also: bcdedit /deletevalue safeboot
Reboot once more and Windows will automatically start with AHCI drivers enabled.

Best Answer

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