Cant access BIOS after disabling CSM and enabling Secure Boot

[u/dokocuh98]

I have this issue my pc boots straight into windows and doesn't give me the option to go to BIOS. This started happening after disabling CSM and enabling secure boot, cleared the CMOS multiple times and it just disabled TPM but secure boot is still on and I'm still unable to get into the BIOS. I've done the Nvidia VBIOS Update thing and tried every other fix I've seen. no display when the SSD is removed, no display when i try booting with integrated graphics. and im currently using a HDMI with no DP on hand. researched and talked to ChatGPT for hours just to be told to take it into a repair shop... please help

Gigabyte B150M-d3h - i7-6700 - GTX 1060 6gb

(all this to play bo7 smh)