Windows 10: Cant access BIOS in Legacy mode

So last weekend I was trying to install Tails OS on a usb so I can play around on the dark web. Before when I could get to my bios I mistakenly changed it to legacy mode. Now nothing I seem to try wont let me access the bios. Here are a few thing I've tried so far.

-Using the MBR to GPT coversion utility in cmd. But the conversion failed for some reason.

-Holding shift while restart, going to troubleshoot, advanced options but there is no option for UEFI settings

-Remoming the CMOS battery from my mobo which didnt seem to do anything.

-Downloading AsRock restart to UEFI for my mobo. Which DOES get me to BIOS but my mouse wont move at all.

-Using AOMEI partition assistant to convert from MBR to GPT but gave an error.

Now AOMEI partition assistant said something about my boot partition and system partition being on seperate drives. I'm not quite familiar with fiddling with drive partitions. My boot part in on my C: and my system is on my D: I beleive. Is there any way to resolve this without a Win 10 reinstall? I do have a usb with Win 10 ready to go in such a case. By the way my Windows version is 1909 OS build 18363.900. Thank you for your time.

:)

 

Difficulty setting BIOS to boot in Legacy mode

Hi,

I read that from your previous link...

That's why I was thinking that a wiped HDD might give a different outcome with the BIOS...

Same reason to try doing a Clean Install with a Flash Drive specifically for Legacy Bios... To see if the Legacy\ Secure Boot issue can be forced to change...

Be sure to have all other HDDs and iOmega stuff unhooked...

I am trying to force something to work on my machine by using a UEFI Flash, as opposed to the Legacy Flash I suggested you try...

I'm trying to boot off of a PCIe based SSD, and my Bios is not recognizing it in Legacy... Not even showing in Bios at all, even though it works fine for Data storage...

 

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