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ASUS Z370G Black Bios Screen

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Joined
Apr 25, 2020
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4
Motherboard
z370G
CPU
8400
Graphics
rx580
As the title suggests my Bios is not accessible anymore. I tried resetting the CMOS by removing the battery but that didnt work. I cant flash the BIOS because I cant access it. Basically I am locked out. Does Anyone have a solution?
 
As the title suggests my Bios is not accessible anymore. I tried resetting the CMOS by removing the battery but that didnt work. I cant flash the BIOS because I cant access it. Basically I am locked out. Does Anyone have a solution?
Try removing the data cables or NVME drives and then start up. Usually that pops right into bios screen.
 
you dont need to reflash full bios just reset the nvram...

Please check the following:

1) find a usb drive format it with fat32
2) find a opencore build it doesn't matter for which computer
3) copy efi folder from build there are plenty of them in github
4) boot from usb
5) select reset nvram

Maybe reseting the nvram from another tool directly from MacOS is also possible...
for excample: Macoptimizer

Please send out your result of this solution.

Regards
kaminkerer
 
I could empty the nvram with nvram -c but that had no effect :/
I´m thinking of resetting the CMOS by connecting the CLTR jumpers but I´m scared that this will kill my whole system by resetting the BIOS while still being unable to access it
 
Seems like connecting the CLTR jumpers is less risky compared to a BIOS flash isn´t it?
But that is a very good backup plan ! Havent thought of it.
 
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