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View Full Version : Problems flashing 0505 on Rog Maximus X Hero z370



Burningcoals
10-27-2017, 02:49 AM
I was really hoping to not have to make a post about this, read all the existing threads on this issue....

I have the dreaded "The selected file is not a proper bios"

Used multiple USB sticks, renamed file M10H.CAP, also tried its default name. Used multiple slots, including the bios slot. Tried setting bios defaults, except my M.2 configuration.

yes formatted FAT32.

I have it in UEFI mode, using default 02xx bios right now, would love some better ram compatibility.

Any ideas? I have downloaded the file twice. This really shouldn't be this hard. I have never had an issue updating the bios on any mobo before.

Burningcoals
10-27-2017, 03:19 AM
issue is now fixed. I used the internet option in frustration and it worked like a champ.

Also glad to report that I can now hit 4000Mhz on my GSKIL RGB, where previously I was only able to hit 3866.

Spartanjet
10-29-2017, 04:37 PM
I'm not sure which hero board you have but if you have a the Maximus X Hero WiFi you need to call the bios file M10HWIFI.CAP for flashback to work (the user manual incorrectly states it should be M10H.CAP). I see you got around it already but maybe it will help in the future.

Burningcoals
01-07-2018, 07:31 AM
I'm not sure which hero board you have but if you have a the Maximus X Hero WiFi you need to call the bios file M10HWIFI.CAP for flashback to work (the user manual incorrectly states it should be M10H.CAP). I see you got around it already but maybe it will help in the future.

since 1003 came out, it's not available via internet. I renamed it to M10HWIFI.cap, and tried flashback. It did not work. I tried multiple usb drives, quick and full format fat32, etc. Nothing from a USB stick will flash my board for some reason.

I guess I will have to wait until 1003 is available via internet.

Menthol
01-07-2018, 07:40 AM
That's kind of strange I don't have that issue, the USB drive needs formatted FAT 32, sometimes an old drive works better a small capacity USB 2.0
Have you tried Ez Flash from within the bios?