new build with B550m-itx/ac "no signal"

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   short story:
I have just build a new PC, sadly when I boot it doesn't show any signal to my TV. Fans are working.

What I have tried:
1. Resetting CMOS, unfortunately I don't have a jumper so I did it with a screwdriver. I saw for a second the boot logo of ASROCK but I couldn't reproduce it again.
2. individually tested each RAM-stick, oddly each RAM reacts differently.
- 2a first one seems to push the system to a reboot loop with "no signal"
- 2b second one has no reboot loop but still no signal

Motherboard
- ASRock B550m-ITX/ac
RAM
- Crucial Ballistix 2x8GB 3600 CL16
CPU
- Ryzen 5 3600
DISK
- SN550 1TB Western Digital Blue
GPU
- Asus GeForce GTX 1650
PSU
- Corsair SF 750

As far as I can see, it seems like a problem with the CPU, MB, RAM.
I am going to buy a new RAM to test it. 

Has anyone a clue what it could be?

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supsuop Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 30 Apr 2021 Status: Offline Points: 35	Post Options Post Reply Quote supsuop Report Post Thanks(0) Quote Reply Topic: new build with B550m-itx/ac "no signal" Posted: 01 May 2021 at 1:33am
	short story: I have just build a new PC, sadly when I boot it doesn't show any signal to my TV. Fans are working. What I have tried: 1. Resetting CMOS, unfortunately I don't have a jumper so I did it with a screwdriver. I saw for a second the boot logo of ASROCK but I couldn't reproduce it again. 2. individually tested each RAM-stick, oddly each RAM reacts differently. - 2a first one seems to push the system to a reboot loop with "no signal" - 2b second one has no reboot loop but still no signal Motherboard - ASRock B550m-ITX/ac RAM - Crucial Ballistix 2x8GB 3600 CL16 CPU - Ryzen 5 3600 DISK - SN550 1TB Western Digital Blue GPU - Asus GeForce GTX 1650 PSU - Corsair SF 750 As far as I can see, it seems like a problem with the CPU, MB, RAM. I am going to buy a new RAM to test it. Has anyone a clue what it could be?

ThreeDee Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 24 Jul 2019 Location: Billings,MT Status: Offline Points: 2396	Post Options Post Reply Quote ThreeDee Report Post Thanks(0) Quote Reply Posted: 01 May 2021 at 2:17am
	You can try popping the CMOS battery out with the power unplugged and leave it out for a good 5-10 minutes (some have done it overnight) Have you tried booting everything up outside of your case on a non-static surface? Try reseating video card and power connectors to motherboard and video card. Make sure RAM is seated properly Reseat CPU Try different PSU if you are able to Takeout the SN550 and try and boot ..things to try if you want
	\|Ryzen 5 5900\|ASRock X570 Taichi-BIOS 4.60\|2x16GB HyperX Predator RGB 3200@3600 1:1 IF\|ASRock RX 6700XT\|2 x PCIe 4.0 M.2 Drives for OS & Games\|850 WTT Seasonic 80+ Titanium PSU\|Noctua NH-D15\|

supsuop Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 30 Apr 2021 Status: Offline Points: 35	Post Options Post Reply Quote supsuop Report Post Thanks(0) Quote Reply Posted: 02 May 2021 at 7:43pm
	I've just redo everything. Now it worked. Seems like that one of the cables aren't really plugged in.