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First built pc, boots but no signal to monitor

Need help, can't get signal on monitor.

ASRock b450m hdv
Ryzen 5 2400g
AMD rx 580
EVGA 500 80 Bronze
8 GB DDR4 Gskill 3200mhz

I have built a new pc and connected all of the cables correctly,checked a few times if something isn't connected well but everthing was fine. All fans are spinning when the pc is turned ,I also restarted the CMOS with the jumper on the mobo , I tried to connect to the monitor with hdmi on the gpu, I tried another monitor with vga to mainboard, I have tried using both ram slots , I tried changing display otput on monitor who you need to set up manually, there were no beeps, I also used an antistatic wristband while I was building the pc. What should i do? I spent hours and hours viewing forum and tutorials what could be wrong but I tried everthing and nothing worked. I have also tried taking out the cpu and motherboard alltogether an connecting everything again, I have tried running on only the psu, apu and motherboard and later added the ram but still no luck. Please help me if you have some useful information or ideas.

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All Answers

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Make it smaller.

In reply to: First built pc, boots but no signal to monitor

With the 2400g you don't need the GPU (video card) and no HDD, SSD or other drives. Just one stick of RAM and little else. Most common gaffe is motherboard mounting and the CMOS clear jumper on the wrong pins. Next is hooking up all the wires. We only need one connection which is the PWRON connection.

Still no life. Time to put the motherboard in its box and build with min parts there (no case.)

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reply to R. Proffitt

In reply to: Make it smaller.

I've already tried clearing the cmos, and nothing, as for the motherboard, it's mounted well, and I don't know, but i screwed in the screws very tightly and I don't know if that effects anything

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It could.

In reply to: reply to R. Proffitt

At least you have more tests to do before it's RMA time.

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In reply to: First built pc, boots but no signal to monitor

I've fix the problem, I just took the speaker for the motherboard from my old pc and put it in the new one and it worked, but the old one didn't

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