B660-M Pro RS with i5-12400F -black screen no bios

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   Looking for some help if possible

Just completed a new build with the Asrock B660-M Pro RS motherboard with a new i5-12400F alongside using my previous GTX 970 with this build and a new m.2 2TB ssd. 

Completing the build yesterday was fine but we struggled to boot into bios, the computer would switch on (lights all on and all fans on) but to the display there is absolutely nothing. I had a thought this could be because the 12400F model CPU has no integrated graphics. But shortly after we played around with shorting CMOS, the boot took a while but saw an Asrock logo after a couple of minutes. Was then able to proceed and install windows on the new SSD.

Once Windows was installed, took the PC back upstairs to try and boot and the same issue is occurring -  just a pure black screen, no BIOS no windows boot up, nothing. The display port is plugged into the GPU, have tried it plugged into the mobo but same issue. Same with using HDMI.

Not sure if anyone has come across something similar? 

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iishadster Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 21 Jun 2024 Status: Offline Points: 20	Post Options Post Reply Quote iishadster Report Post Thanks(0) Quote Reply Topic: B660-M Pro RS with i5-12400F -black screen no bios Posted: 21 Jun 2024 at 7:14pm
	Looking for some help if possible Just completed a new build with the Asrock B660-M Pro RS motherboard with a new i5-12400F alongside using my previous GTX 970 with this build and a new m.2 2TB ssd. Completing the build yesterday was fine but we struggled to boot into bios, the computer would switch on (lights all on and all fans on) but to the display there is absolutely nothing. I had a thought this could be because the 12400F model CPU has no integrated graphics. But shortly after we played around with shorting CMOS, the boot took a while but saw an Asrock logo after a couple of minutes. Was then able to proceed and install windows on the new SSD. Once Windows was installed, took the PC back upstairs to try and boot and the same issue is occurring - just a pure black screen, no BIOS no windows boot up, nothing. The display port is plugged into the GPU, have tried it plugged into the mobo but same issue. Same with using HDMI. Not sure if anyone has come across something similar?

M440 Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 12 Jul 2023 Status: Offline Points: 3145	Post Options Post Reply Quote M440 Report Post Thanks(0) Quote Reply Posted: 27 Jun 2024 at 3:04pm
	update the bios as soon as possible especially if you encounter any problems. Going forward with os instalation if you have problems getting into the bios was pointless honesly pack it up and buy your am5. its not worth $100 you saved on ddr5 to invest in dead socket, less/worst pcie configuration and cpu upgrade options even intel thinks is backwards and went to TSMC to produce own zen5c Edited by M440 - 27 Jun 2024 at 3:07pm
	asrock b650m/hdv.m2, ryzen 7700x@85watt