B450M Pro4 board and SN570 NVME SSD

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   Hello,

I have an issues with the Asrock B450M Pro4 board and SN570 NVME SSD.
I have successfully connected it to first slop next to the CPU, and it is recognized in bios, but not booting: "Reboot and Select proper Boot device". Can somebody help, me? I've also updated the bios to the last available version. Thank you

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jdine Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 23 Aug 2025 Status: Offline Points: 45	Post Options Post Reply Quote jdine Report Post Thanks(0) Quote Reply Topic: B450M Pro4 board and SN570 NVME SSD Posted: 23 Aug 2025 at 9:33pm
	Hello, I have an issues with the Asrock B450M Pro4 board and SN570 NVME SSD. I have successfully connected it to first slop next to the CPU, and it is recognized in bios, but not booting: "Reboot and Select proper Boot device". Can somebody help, me? I've also updated the bios to the last available version. Thank you

jdine Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 23 Aug 2025 Status: Offline Points: 45	Post Options Post Reply Quote jdine Report Post Thanks(0) Quote Reply Posted: 11 hours 12 minutes ago at 6:01pm
	Any response, fix, please? I would install a bios update if you send me a fixed file.

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 29063	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 6 hours 20 minutes ago at 10:53pm
	"Reboot and select proper boot device" just means the drive you are trying to boot from is blank. If it's detected in BIOS then you need to install an OS on it. You will need to google how to install windows or whatever other operating system you would like to use. Or: If you have another drive in your system that is meant to be booted from then you will need to enter your BIOS and go to the boot options menu and ensure that the old drive is selected as your primary boot drive. Edited by Xaltar - 6 hours 19 minutes ago at 10:54pm


jdine Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 23 Aug 2025 Status: Offline Points: 45	Post Options Post Reply Quote jdine Report Post Thanks(0) Quote Reply Posted: 4 hours 46 minutes ago at 12:27am
	The issue is that the SSD I added there is from the laptop. There is already installed its own Windows 10 OS. But it is not possible to boot it with this motherboard.

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 29063	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 2 hours 30 minutes ago at 2:43am
	You can't use an OS installed on another system, it is possible but it's very complicated to set up. You need to install a fresh OS on the system the drive is in now.