B450m boot no display

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   Purely based on it being B450m, I'm wondering if it's a fairly old setup.
Have you checked the RTC battery?  They do eventually deplete.  Based on my experience, they last 2-10 years (totally depending on power-on time, etc.).

If the battery is low (under 2.8V open circuit), replace it, do CMOS reset, and give it a few minutes.

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eccential Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 10 Oct 2022 Location: Nevada Status: Offline Points: 6530	Post Options Post Reply Quote eccential Report Post Thanks(0) Quote Reply Topic: B450m boot no display Posted: 28 Apr 2024 at 2:13am
	Purely based on it being B450m, I'm wondering if it's a fairly old setup. Have you checked the RTC battery? They do eventually deplete. Based on my experience, they last 2-10 years (totally depending on power-on time, etc.). If the battery is low (under 2.8V open circuit), replace it, do CMOS reset, and give it a few minutes.

Jvega21799 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 26 Apr 2024 Location: Colombia Status: Offline Points: 35	Post Options Post Reply Quote Jvega21799 Report Post Thanks(0) Quote Reply Posted: 27 Apr 2024 at 7:04pm
	LEDs of the MB and case are working, also the case and CPU fan spins. Tried with a different PSU and got same result. Also reset the CPU o change the RAM to different slots but still the same. Also I did the CMOS shortcut with the pins but still the same. Anything else I can do? Start thinking is something wrong with the MB

eccential Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 10 Oct 2022 Location: Nevada Status: Offline Points: 6530	Post Options Post Reply Quote eccential Report Post Thanks(0) Quote Reply Posted: 27 Apr 2024 at 6:49pm
	Is anything happening at all? Is the CPU fan spinning? If nothing is happening, it could be the power supply.

Jvega21799 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 26 Apr 2024 Location: Colombia Status: Offline Points: 35	Post Options Post Reply Quote Jvega21799 Report Post Thanks(0) Quote Reply Posted: 26 Apr 2024 at 4:16pm
	My PC was working well. Turned it off and later tried to turn it on and have no display or signal to mouse or keyboard. Can I enable a led or beep for knowing where the error is occurring? What else can be done for fixing it? All components are Ryzen 5600G, Vengeance ddr4 16GB, Samsung SSD 1T and Thermaltake 500W