A620i CPU upgrade issue/failure

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   Hi, very bad day for me
I am using sffc setup for a year now. A620i and 8400f, kingston 32x2 rams was my setup. Finally I went for 9800x3d today. Bios was updated in last 6 months cant remember the version, I just replaced 8400f with 9800x3d today did a cmos reset but pc didnt respond at all. I tried both rams one by one on each slot nothing. No burn or visible damage anywhere. The worst part is now the pc doesnt work with 8400f too. I assume a620i motherboard just went bad or was made bad or idk I need help. I can measure necesaary pins or chips or porta with a multimeter if its going to help. My X99 asrock board still runs today but this am5 series idk something is wrong.

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Alp35 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 2 hours 34 minutes ago Status: Offline Points: 15	Post Options Post Reply Quote Alp35 Report Post Thanks(0) Quote Reply Topic: A620i CPU upgrade issue/failure Posted: 2 hours 26 minutes ago at 5:27am
	Hi, very bad day for me I am using sffc setup for a year now. A620i and 8400f, kingston 32x2 rams was my setup. Finally I went for 9800x3d today. Bios was updated in last 6 months cant remember the version, I just replaced 8400f with 9800x3d today did a cmos reset but pc didnt respond at all. I tried both rams one by one on each slot nothing. No burn or visible damage anywhere. The worst part is now the pc doesnt work with 8400f too. I assume a620i motherboard just went bad or was made bad or idk I need help. I can measure necesaary pins or chips or porta with a multimeter if its going to help. My X99 asrock board still runs today but this am5 series idk something is wrong.

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 37528	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 1 hour 3 minutes ago at 6:50am
	Hi Alp35. First of all, don't panic. The odds that you killed your board are actually low provided you didn't cause physical damage during the CPU swap. First of all, make sure that you replaced the clear CMOS jumper to the correct position. If you have it left in the "clear" position the system will not respond. Secondly, download and use the "Flashback" method to flash to the latest BIOS for your board, 4.20 as of writing. Third, when you power on the system with the 9800x3d make sure you have a single stick of RAM in slot A1 and that you leave the system powered on for 10 mins to allow for RAM training potentially taking a while. Let me know how it goes. I will be offline for a while as it's 2am here but I will check back in tomorrow. Good luck.