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No HDMI sound with new bios

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7Dahl7 View Drop Down
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    Posted: 05 May 2019 at 11:31pm
Hello

I flashed to bios 5.60 on my Asrock AB350 gaming ITX motherboard and now HDMI sound doesn't work. It won't let me flash to bios 5.30, it says invalid file.

How do I downgrade to bios 5.30?

Is there a beta bios I can download?

Thank you :)
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Daveydguk View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Daveydguk Quote  Post ReplyReply Direct Link To This Post Posted: 06 May 2019 at 1:54am
I had same problem with Bios 3.1 and 3.2 for the Fatal1ty B450 itx and saphire pulse card with 2400g cpu.

I managed to downgrade using the windows version. HDMI sound came back again with version 1.7 bios.
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7Dahl7 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 7Dahl7 Quote  Post ReplyReply Direct Link To This Post Posted: 06 May 2019 at 2:10am
How do I downgrade in windows?
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Daveydguk View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Daveydguk Quote  Post ReplyReply Direct Link To This Post Posted: 06 May 2019 at 3:10pm
I maybe wrong, but it Looks like Asrock have removed all windows bios updates from download page only leaving instant flash.
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Daveydguk View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Daveydguk Quote  Post ReplyReply Direct Link To This Post Posted: 06 May 2019 at 3:18pm
Try drivers.softpedia.com and search for previous bios for your mobo.
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Daveydguk View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Daveydguk Quote  Post ReplyReply Direct Link To This Post Posted: 05 Jun 2019 at 4:15am
Just like to comment that the hdmi audio from sapphire rx580 now works with the new firmware 3.30 for b450 Fatal1ty itx mobo.

Hooray
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Kirurgs View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Kirurgs Quote  Post ReplyReply Direct Link To This Post Posted: 05 Jun 2019 at 2:40pm
Actually my kid has the same issue, but mobo is different - AB350M Pro4, one day after BIOS flash sound disappeared from discrete Sapphire Pulse RX570 card.
Hopefully new BIOS, which fixes the issue, will be released for that mobo as well. Fingers crossed.
CPU: Ryzen 5600X
MB: Fatal1ty X370 Gaming K4 (BIOS 7.03)
RAM: CMK16GX4M2B3200C16, works with 3200 by default on 7.03 bios (previously I could not go higher than 2933)
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