TC-1660-UA92. with 2 ssd installed, how to select WHICH one gets booted?

Image: https://us.v-cdn.net/6029997/uploads/editor/4z/7jlkcm32izgj.png

I have 2 SSDs in this TC-1660-UA92.
It came with one ssd in the m.2 slot, with Windows 10 preloaded.
I added a 2nd ssd, in the PCIe x16 slot, (on an adapter card), and installed a clean Windows 10 on it.

Windows Disk Management lists them as Disk 1 and Disk 0 respectively.
(note reversed order).

When I boot the computer, the ssd I added is the one that loads.
That's fine. That's the one I want to boot. ...usually.

There seems to be no option anywhere to choose the original ssd as the boot device.
Yet, if I unplug my 2nd ssd from the PCIe x16 slot, then the system reverts to booting the original ssd.

So, therein lies the question.

How to choose which ssd gets booted.

They both have "Windows Boot Manager" on them, and that's the only single option Acer BIOS and its boot-menu gives.

(Thread was edited to add model name to the title)

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prunemaster

Tap del to go to bios on the Desktop computer. If it is laptop you have to tap f2 to go to bios.

ON the bios menu - on most of the bios you can see the main menu
Go to main menu - It will show you f12 boot menu - disabled. Change it to enabled..

If you dont see f12 boot menu on the main menu , please go to boot options on the top
It will show you boot priority order
Below the boot priority order it will show you Boot menu - Change it to enabled
Save the changes

While turning on the computer tap f12 - it will show you the boot menu with all the boot options
You can chose the hdd to load the windows ( provided windows is installed on the hdd )
If you are not going to tap f12 while booting the windows it will load the windows from the default hdd.

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I understand you are able to boot from the secondary ssd. If you remove the secondary ssd you are able to boot automatically from the original ssd.

I understand you would like to choose which ssd gets booted.

Kindly go through the details from the link given below

https://docs.microsoft.com/en-us/answers/questions/610536/dual-boot-to-2-separate-ssd-using-win-10.html

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Just unplug the one that you don't want or change the drive name in DD by right clicking.
I don't thin BIOS has anything to do with naming.

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https://docs.microsoft.com/en-us/windows-server/storage/disk-management/change-a-drive-letter

Most PCIe M.2 adapters don't support booting. Usually if they are going to include a boot ROM it's the RAID controllers that do it, because the extra cost is a smaller increment to the price than with the cheaper adapters.

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Have you ENABLE F12 BOOT. Then reboot with F12 ?
This works with an USB but I'm not sure if it'll work between 2 HDD.

https://community.acer.com/en/kb/articles/563-why-cant-i-get-the-f12-boot-menu-to-work-on-my-notebook-or-netbook

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Here is my boot manager showing a Bootable USB selection and another with boot enabled, I couldn't find the F12 enable, it used to be there but I've updated BIOS . I don't see the fake on the last picture ?

Image: https://us.v-cdn.net/6029997/uploads/editor/yp/gfvikeesjm8u.jpg

prunemaster said:

@Larryodie
No, I didn't try enabling F12 boot-menu.
That bottom snapshot of the F12 boot-menu showing only "Windows Boot Manager" in my original post is a deep-fake.
How could you tell I made it with Adobe Photoshop?

Hi,
If you enable F12 boot menu, you will be able to select the disk you want to boot from.

Image: https://us.v-cdn.net/6029997/uploads/editor/7f/30tc6s1up5kj.jpg

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