B550 Taichi USB 2.0 Post Problems

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   I have just built a new system around a new B550 Taichi motherboard. I am running BIOS L2.62 bios. The system runs just perfect except for one issue. If I plug any type of USB keyboard into one of the USB 2.0 ports on the back IO the system will hang after the POST splash screen. I have called Asrock technical support and they told me that was a odd problem since the technician told me that Asrock uses one of these ports for a keyboard for testing purposes themselves. Has anyone else experienced this issue? 

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siliconrage Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 29 May 2023 Location: U.S.A. Status: Offline Points: 75	Post Options Post Reply Quote siliconrage Report Post Thanks(0) Quote Reply Topic: B550 Taichi USB 2.0 Post Problems Posted: 29 May 2023 at 8:06am
	I have just built a new system around a new B550 Taichi motherboard. I am running BIOS L2.62 bios. The system runs just perfect except for one issue. If I plug any type of USB keyboard into one of the USB 2.0 ports on the back IO the system will hang after the POST splash screen. I have called Asrock technical support and they told me that was a odd problem since the technician told me that Asrock uses one of these ports for a keyboard for testing purposes themselves. Has anyone else experienced this issue?

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 25828	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 30 May 2023 at 1:26pm
	What keyboards did you try? Some keyboards, particularly "gaming" keyboards sometimes have firmware that can cause conflicts during boot/POST.