I upgraded my CPU last night to a Ryzen 7 9800x3d, but now I'm seeing a red DRAM light on my NZXT B650e motherboard and I'm getting no POST. I've already updated the BIOS to the latest version, cleared the CMOS, and reseated my RAM without any luck. Can anyone help me figure out what might be wrong? Here's my setup: Motherboard: NZXT B650e, CPU: Ryzen 7 9800x3d, RAM: CORSAIR DOMINATOR PLATINUM DDR5 6200MHz, GPU: 4080 Super, and Power Supply: 1000w NZXT.
3 Answers
First thing I'd check is whether you have EXPO/XMP enabled in the BIOS. Try booting with your RAM set to 4800MHz and see if it fires up. If your RAM isn’t EXPO certified, it might be causing issues with the 6200MHz setting. Just to confirm, I assume ‘no POST’ means you can't even get into the BIOS, right?
When I get home later tonight, I’m going to try putting my old processor back in to see if I can boot. If it works, should I reset the RAM speed back to what it was originally?
You should definitely check your RAM installation. Make sure it's properly seated in the correct slots. If that doesn't work, try swapping back to your old CPU to see if the system boots. If it works fine, then your new CPU might be dead or incompatible with your current BIOS. If both CPUs fail to boot, it could be a problem with the motherboard itself, possibly bent pins in the socket. If that’s the case, consider getting it checked or replaced.
I made sure the RAM was in the right slots, and I've swapped them just to rule out bad sticks. I’ll put in the old CPU tonight and see if it gets me into BIOS. Another user mentioned RAM speed might be the issue since I had XMP enabled before swapping. Checked compatibility, and it seemed alright, and I didn't notice any bent pins when I reinstalled the CPU. Thanks for the help!
Have you tried using just one stick of RAM at a time? Sometimes one faulty stick can prevent the system from booting. Also, ensure they’re in the right slots if your motherboard has multiple RAM slots.
I’ve done that and still no POST. I swapped the sticks around in each slot too.
I can’t even get into the BIOS; the PC won’t POST anymore.