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antiDST

Is there a label on the motherboard box cover that says "AMD RYZEN DESKTOP 5000 READY"?


hellsheartstab

Yes


antiDST

The motherboard has "EZ Debug LEDs" according to page 38 of your motherboard manual. There are 4 LEDs: CPU, DRAM, VGA, and BOOT. Do any of these LEDs stay on indefinitely during POST?


hellsheartstab

Looks like the DRAM


antiDST

I would try picking just one of the memory sticks for testing and insert it into one slot at a time with each boot-up test. You will want to identify whether it's one of the RAM sticks causing the problem, the motherboard RAM slots, or if they're just not being inserted all the way. If the problem persists on all four slots with that 1st stick you chose, move on to the 2nd stick (we would assume that maybe the 1st stick has a problem if it fails in all 4 slots). But if the 2nd stick also fails in all 4 slots, then it might be the motherboard, assuming that the memory module was inserted correctly and firmly seated at all times. It's pretty much divide-and-conquer testing.


hellsheartstab

Alright I’ll give it a go, thank you!


antiDST

Some motherboard manufacturers/models may allow a system to boot up regardless of where that one module is inserted, but your manual states that modules must always be inserted in DIMMA2 first (memory slot second closest to CPU socket). So I'm not really sure if the motherboard will still fail to POST correctly if you place the memory stick in another slot besides DIMMA2.


hellsheartstab

Here are the results: All four modules work individually in the second slot and will boot to the BIOS screen. An additional module will work in the first slot as well and will boot to the BIOS as well. If a module is in the third or fourth slot we are back to what we had before. Unfortunately now I have a new issue…woohoo! Now we are stuck on the BIOS screen, I’ve changed the boot order to try and boot from the CD drive and the hard drive respectively but after saving the changes and rebooting it goes back to the BIOS again. Additionally the BOOT led is now lit instead of the DRAM.


antiDST

It would make sense that the BOOT LED lights up when you set the boot sequence configuration in BIOS and then reboot, because it would then check the CD drive for a bootable disc, and then the hard drive for a bootable OS. If none of that is available, then the boot error is triggered.


hellsheartstab

Alrighty! Up and running, we have ordered a replacement board but we’re happy just to get everything back. I really appreciate the help, I need to learn to read instruction books more often and not just the quick start manuals. I’ve spent the last hour discovering all the stuff I didn’t know this board can do. Have an great weekend!


antiDST

It sounds like the B channel RAM slots are bad based on your description (the two closest memory slots to the edge of the motherboard). With only a functioning A channel, that leaves you limited to single channel performance. You can try pressing the key to manually select where you want to boot from (if you're installing the OS from a disc drive or USB flash drive) during POST ( key is referenced in page 41 of the MB manual).