Question Can't Boot After Disabling CSM

Feb 4, 2022
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I am trying to enable Smart Access Memory or Resizable Bar on my AMD system, but I can't get it to work. I am trying to disable CSM in my firmware settings so that I can enable "Resizable Bar" and "Above 4G Decoding", but whenever I save changes and exit, I can't get my system to boot. I get stuck at the ASRock screen with the options to press F2 or DEL for UEFI setup or F11 for boot menu. The system doesn't respond to any inputs and won't boot into UEFI or windows. No matter how many times I press DEL, F2, or F11 the system won't do anything and stays on that screen (I will have a picture of it below). I've done some research and found solutions by checking that windows is in UEFI mode and that my partitions are in GPT, but mine are in the correct setting (screenshots below). I'm not sure what else to do. If anyone could help, I would much appreciate it.

System Hardware:
Ryzen 5 3600
RX 6700 XT
ASRock B450M Pro4
G.SKILL Trident Z DDR4 3600 CL 18 8GB x 2
Intel 660p M.2 1TB NVMe SSD (boot drive)
Seagate BarraCuda 7200 RPM 2TB HD

Images Link: View: https://imgur.com/a/rs8Jvv8


As a note, I'm not tech savvy and don't normally post to forums. If someone could help me though I can follow directions and figure it out. I'm also on the latest edition of Windows 11.

Thanks!
 
Feb 4, 2022
2
0
10
Might want to see if you're able to enable Secure Boot after you've disabled CSM in BIOS, save and exit then if your boot is successful, get back into BIOS and then try enabling Resizable BAR and Above 4G Decoding.

Unfortunately it won't let me enable Secure Boot before turning off CSM and rebooting. I tried it just in case, but now I'm stuck on the same post screen again. Time to remove the CMOS battery again lol. Thanks for the suggestion though.