ASRock B650M HDV M2 boot to bios

Hi Xaltar!
Thank you for your engagement, to clear this directly with ASrock.

I just have tried DP again and ??surprise ??it did work. Then I rebooted and bang! DP did not work again, but HDMI did.

Then I booted with HDMI and while it was running, I plugged off HDMI and inserted DP. DP did work!
Then I booted with DP in order to try the reverse proceeding. But now DP is not failing again.

But as a summary: It seems, that the implementation of DP on this board is not stable and should be analyzed and corrected as soon as possible.

BTW: I like this board and would be happy if a BIOS update could cure the DP port.

Hi I am new in this forum and I came here, because I have a similar problem with my brand new ASrock B850M Plus-A WiFi and I also could solve the problem, by not using display port and using hdmi instead.

The hint to switch form DP to HDMI did the trick also in my case. May be, that this is a more common bug in these mainboards, so that ASrock should have a look at this???

I have bought this board brand new and I am running this board without any overclocking and with a Ryzen 5 7600X. The internal GPU of the Ryzen is used, no additional PCI card, only a NVME 8TB Samsung EVO 990 is in use. My OS is a Manjaro-Linux.

Yesterday evening, the computer did work very good and stable on Display Port. This morning, it seems it would not boot any more. But after intense search I observed, that the PC will boot correct but will not show anything on the display.
While booting, the signalling on the mainboard showed, that all is OK, resulting in the white LED active. Then the white LED changed to inactive and a beep showed, that the PC would now start the OS.

Occasionally, some signal triggered the display to return from standby but nothings showed up there and then it signals, that there would not be any signal at DP.
This is the point, where I found this thread here and luckily could switch to HDMI.

But I don't think that this is a "solution"! The DP should work also and the mainboard is brandnew. I am in doubt, whether to return ist to the shop or whether to wait, til I get a helpful answer, how to get the DP back to stable operation.

What do you think about? Return the board or digging deeper? My time is precious and I need a trustful solution.

I've already done the bios if you read the first line of my post. Going to try the other post suggestions next thank you

reseting the bios is your best bet,

i would try the usb bios flashback