Thanks for the reply!
Gave this a try and this time instead of getting the invalid signature pop up, I just get taken straight into my bios and when I try and check my boot devices, there is nothing there now 😟 Ive disabled secure boot again and it seems to be recognising my storage devices...
Hiya!
So I've been interested in upgrading to Windows 11 for a while now, so I downloaded the "PC Health Check" application that Microsoft supplies so I could see exactly what needed to be changed/enabled. I saw that TPM had to be enabled and Secure boot also needed to be enabled, now I knew...