I'm experiencing "error code" 15 on my motherboard, and all four of my RAM sticks are showing red LEDs. How long is it reasonable to wait before concluding that the system has failed to pass the power-on self-test (POST)? When I originally built this PC, I got all 192GB working, but it was pretty challenging to get everything running, especially while overclocking. Occasionally, my monitor goes black, and I'm unsure if it successfully POSTs or if I just restart it. This is the first time I've noticed the red 15 warning, and I built the PC around 8 months ago. Here's my build: MSI Gaming RTX 5090 GPU, AMD Ryzen 9 9950X3D CPU, and G.Skill Trident Z5 Royal Neo RGB 192GB RAM, running at 6000MHz. Thanks for the help!
3 Answers
Why do you even need 192GB of RAM? That’s a bit overkill for most users!
With that much RAM, it can definitely take longer to POST. For most setups, 32GB might take 10-15 minutes, but yours could take longer. If rebooting seems to restart the process, that's normal. Hang in there!
It's been 50 minutes since I started waiting. I read somewhere that it should max out at about 30 minutes before assuming a POST failure.
Good news! It just booted up successfully! It took 74 minutes for the memory to train for that massive 192GB of DDR5! Worth the wait!
For playing Escape from Tarkov! In my best Russian accent, 'In Soviet Russia, the game optimizes you!'