Aurora R7, CMOS battery error, #2

Hi,

I also have this problem with Aurora R7. I replaced 3x new brand CMOS battery. No work. Well. Every start my pc is with the 5x flash yellow alien. It's starting 3 minutes maybe, and then start. Normaly. But every restart pc, is with 5x flash alien 3 minutes.

Everything is up dated. BIOS too, HDD, CPU gpu all updates 8. 2021.

Second problem is I can't go to the BIOS. Only black screen. Just I cant go in.

But every thing is ok.