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B650M-HDV/M.2

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Fen View Drop Down
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    Posted: 19 Aug 2023 at 2:54am
Strange behaviour with mobo (new).

1. In the BIOS the screen is gray background and white text
2. If I Save Changes and Exit it will return to the BIOS
3. I have two SSDs (bootable on old hardware). In the boot tab, if I enable CSM so that I can explicit boot from SSD the system will hang at a grey screen
4. The DRAM and CPU post status lights will light up for a short while but then turn off. Everything is detected correctly (Ryzen 5 / 7600) + 32GB ram

[BIOS 1.17]
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Fen Quote  Post ReplyReply Direct Link To This Post Posted: 19 Aug 2023 at 2:59am
Drive is GPT formatted
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M440 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote M440 Quote  Post ReplyReply Direct Link To This Post Posted: 19 Aug 2023 at 3:31am
Just upgrade the BIOS to the newest one.

Mine didn't even boot with 1.17 and did only after I updated the BIOS using the flashback function.

For me the windows EFI installation was autodetected by ASrock bios, but I had to manually add linux grub bootloader using efibootmgr.
asrock b650m/hdv.m2, ryzen 7700x@85watt
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Fen Quote  Post ReplyReply Direct Link To This Post Posted: 19 Aug 2023 at 3:54am
With 1.28 I'm still getting the same behaviour :(
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Post Options Post Options   Thanks (0) Thanks(0)   Quote M440 Quote  Post ReplyReply Direct Link To This Post Posted: 19 Aug 2023 at 4:49am
the bios is black background and white letters - like in the picture in the right.

You have a problem with booting a OS from nvme drive?

are the drives visible from the bios?

what OS you are trying to boot precisely? CSM is a legacy mode. You can disable CSM (even should) if you have UEFI os installed on GPT partition.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote M440 Quote  Post ReplyReply Direct Link To This Post Posted: 19 Aug 2023 at 5:12am
anyway i think you might need to add EFI entries to NVRAM. Normally OS while being installed (actually a bootloader) is making such entries in NVRAM and UEFI bios knows what EFI files to boot.

You can try to just run the windows installation pendrive and make a startup repair.

Otherwise manually add such entry to NVRAM using bcdedit in command prompt like a guy in this video:

https://www.youtube.com/watch?v=4awsXR8STUo

or if you use linux edit it with efibootmgr.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Fen Quote  Post ReplyReply Direct Link To This Post Posted: 19 Aug 2023 at 6:03am
I'm thinking that as well... I'm making a boot USB right now. Upgrading systems small differences is such a pain!

The SATA SDD was being detected in the BIOS but not as a bootable drive (previously being used in Win10)

> the bios is black background and white letters - like in the picture in the right.

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M440 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote M440 Quote  Post ReplyReply Direct Link To This Post Posted: 19 Aug 2023 at 4:33pm
i attach the picture of the motherboard bios.

you can see the bios reads the EFI bootloader files how as they are set using efibootmgr above.


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