Question After build red-yellow light

Mar 22, 2025
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Hi everyone,

Yesterday, I assembled the pc out of case. When I assembled it, it gave me red and yellow light with three long beeps, did not boot. After I kept it open for couple of hours by itself with only one of the rams installed, it booted. After that I put the second ram in, and it worked fine. I used it, installed OS, drivers, games, even played a little. Today, to put it all in case I disassembled it for a long time, couple of hours. Now when I put it all in the case, when I tried to boot it, it again gave me red and yellow light, and not booting. What can be the issue?

Specs below:
AMD Ryzen 9 7900 3.70 Ghz
MSI X670E Gaming Plus WiFi 7800mhz(OC) RGB M.2 AM5 DDR5 ATX
G.Skill 32GB (2x16) Trident Z5 Royal Neo 6000Mhz CL26 DDR5 EXPO Ram (F5-6000J2636G16GX2-TR5NS)
Sapphire Radeon RX 7900 XTX Nitro+ Gaming OC Vapor-X 24GB GDDR6
Samsung 4TB 990 EVO PLUS NVMe 2.0
Corsair 1000W RM1000e 80+ Gold
 
Last edited by a moderator:
Welcome to the forums, newcomer!

MSI X670E Gaming Plus WiFi 7800mhz(OC) RGB M.2 AM5 DDR5 ATX
Revert to one stick of ram in slot A2, then see if you can get into BIOS. When here, see what BIOS version you're on at this moment of time.

AMD Ryzen 9 7900 3.70 Ghz
How are you cooling the processor?

it gave me red and yellow light
https://download-2.msi.com/archive/mnu_exe/mb/X670EGAMINGPLUSWIFI_EN.pdf
Page 49, CPU and/or Ram issue. Considering the memory controller now resides on the CPU's die, it's possible that the processor is being pushed beyond it's comfort zone, causing the aforementioned error. Try and relieve some pressure from the cooler's mounting, while the case is on it's side.
 

Sorry, forget to mention about the cooler:​

Arctic LIQUID FREEZER II 420 A-RGB​


Post boot managed to install 7E16v1A4(Beta version) BIOS aswell.

I will try to relieve some pressure and meddle with RAM sticks will give feedback afterwards, Thanks.
 
Welcome to the forums, newcomer!

MSI X670E Gaming Plus WiFi 7800mhz(OC) RGB M.2 AM5 DDR5 ATX
Revert to one stick of ram in slot A2, then see if you can get into BIOS. When here, see what BIOS version you're on at this moment of time.

AMD Ryzen 9 7900 3.70 Ghz
How are you cooling the processor?

it gave me red and yellow light
https://download-2.msi.com/archive/mnu_exe/mb/X670EGAMINGPLUSWIFI_EN.pdf
Page 49, CPU and/or Ram issue. Considering the memory controller now resides on the CPU's die, it's possible that the processor is being pushed beyond it's comfort zone, causing the aforementioned error. Try and relieve some pressure from the cooler's mounting, while the case is on it's side.
I tried unsocketing 1 RAM and left out 1 in slot a2 and after b2 same problem, tried to relieve some pressure from the processor aswell nothing changed.
 
Hi everyone,

Yesterday, I assembled the pc out of case. When I assembled it, it gave me red and yellow light with three long beeps, did not boot. After I kept it open for couple of hours by itself with only one of the rams installed, it booted. After that I put the second ram in, and it worked fine. I used it, installed OS, drivers, games, even played a little. Today, to put it all in case I disassembled it for a long time, couple of hours. Now when I put it all in the case, when I tried to boot it, it again gave me red and yellow light, and not booting. What can be the issue?

Specs below:
AMD Ryzen 9 7900 3.70 Ghz
MSI X670E Gaming Plus WiFi 7800mhz(OC) RGB M.2 AM5 DDR5 ATX
G.Skill 32GB (2x16) Trident Z5 Royal Neo 6000Mhz CL26 DDR5 EXPO Ram (F5-6000J2636G16GX2-TR5NS)
Sapphire Radeon RX 7900 XTX Nitro+ Gaming OC Vapor-X 24GB GDDR6
Samsung 4TB 990 EVO PLUS NVMe 2.0
Corsair 1000W RM1000e 80+ Gold
Since the only difference is that you attached the motherboard to the case, one would suspect one of the mounting screws may be shorting something out, or possibley flexing the motherboard to create a problem.
 

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