B650E Riptide PG Wifi + RTX4090 no video issues

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   Hi Asrock community,

I've just assembled following setup:
Ryzen 7900x
B650E Riptide PG Wifi updated to bios 1.11.AS01
32GB 6000CL30 G.Skill RAM
RTX 4090 Inno3d iChill x3
Samsung G9 Neo connected over HDMI 2.1 to discrete GPU port

GPU and monitor were working fine in Ryzen 5900x B550 setup.

I have some issues revolving around getting no video before OS driver loads. Meaning I hear single beep where BIOS splash screen should be but even if I press DEL and enter bios I see nothing. Same with 'reboot to bios' tool.

To make it more weird if I do a cold boot meaning unplug power supply cable for 10 minutes and try then I have 30% chance of seeing splash screen and bios normally.

Another thing is very long boot times. I understand DDR5 takes longer than usual to train but on cold boot each morning I need to wait about 3-5 minutes with 100% fan spinning and then my PC just boots. Reboot is about 2 minutes. 

Most of this time goes to CPU and RAM diagnostic LEDs being lit up.
If I measure from the moment diagnostic LEDs turn off boot time is 15s as usual.

Is it a known problem? Do you have any suggestions? I'd appreciate some feedback even if it's a known issue to be fixed in future bios update.

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keton Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 02 Nov 2022 Status: Offline Points: 20	Post Options Post Reply Quote keton Report Post Thanks(0) Quote Reply Topic: B650E Riptide PG Wifi + RTX4090 no video issues Posted: 02 Nov 2022 at 5:46pm
	Hi Asrock community, I've just assembled following setup: Ryzen 7900x B650E Riptide PG Wifi updated to bios 1.11.AS01 32GB 6000CL30 G.Skill RAM RTX 4090 Inno3d iChill x3 Samsung G9 Neo connected over HDMI 2.1 to discrete GPU port GPU and monitor were working fine in Ryzen 5900x B550 setup. I have some issues revolving around getting no video before OS driver loads. Meaning I hear single beep where BIOS splash screen should be but even if I press DEL and enter bios I see nothing. Same with 'reboot to bios' tool. To make it more weird if I do a cold boot meaning unplug power supply cable for 10 minutes and try then I have 30% chance of seeing splash screen and bios normally. Another thing is very long boot times. I understand DDR5 takes longer than usual to train but on cold boot each morning I need to wait about 3-5 minutes with 100% fan spinning and then my PC just boots. Reboot is about 2 minutes. Most of this time goes to CPU and RAM diagnostic LEDs being lit up. If I measure from the moment diagnostic LEDs turn off boot time is 15s as usual. Is it a known problem? Do you have any suggestions? I'd appreciate some feedback even if it's a known issue to be fixed in future bios update.