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upgrade cpu failed

meow

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cpu ryzen 3 3100
ab350m-hdv
bios p3.40
after install cpu cannot enter bios menu or no input display
cpu fan running
gpu fan running
 
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Your cpu power connector is plugged in right? :roll:Silly question probably, but you never know

Did the cpu go firmly into the socket as normal? did you check the cpu for physical damage or bent pins etc? Maybe try clearing the CMOS since you did an upgrade? Idk, that might be worth a shot it can't hurt to try. make sure everything on the machine is off and un-plug the power cable from the psu then remove your cmos battery from the board and let it chill for 1-5 minutes after that put the battery back in and reconnect the power.

I checked your motherboard support just in case and that cpu should indeed work
 
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Motherboard support page clearly says that Matisse cpus are supported from bioses P5.90. P3.40 is too old.
Swap back to the old cpu and update the bios.
 
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System Name Yin/Yang
Processor Ryzen 7 3700x
Motherboard msi mag x570 tomahawk
Cooling CoolerMaster ML240V2 / asiahorse fs9002 120mm fans
Memory 2 x 16gb g.skill trident z neo 3600
Video Card(s) msi gaming X 2070 super 8gb
Storage 1tb sabrent rocket nvme / 1tb samsung evo 860 sata ssd / 3tb Toshiba hdd
Display(s) lg ultragear 2560x1440 144hz 1ms 27"ips
Case nzxt h510i
Audio Device(s) logitech g635 / creative sound blaster
Power Supply evga supernova 750ga 80 plus gold
Mouse logitech g402 hyperion fury
Keyboard corsair k55
good catch guys :rockout: hopefully they still have their old cpu
 

meow

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unfortunetly my old cpu is sold before update bios
i was think old bios will recognize new cpu

any other option?
 

Toothless

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Joined
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Processor AMD Ryzen 7 5800X, 110/95/110, PBO +150Mhz, CO -7,-7,-20(x6),
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Memory 32GB G.Skill FlareX 3200c14 @3800c15
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Mouse Logitech G603
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unfortunetly my old cpu is sold before update bios
i was think old bios will recognize new cpu

any other option?
Much easier and quicker than trying to get a hold of one of AMD's kits: go to a computer store near you and ask them to do it for you, or order a cheap supported CPU from somewhere with a good return policy, use it to update your BIOS, and return it. IMO the former option is by far the preferable one, even if it's the slightly more expensive one.
 

Toothless

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Much easier and quicker than trying to get a hold of one of AMD's kits: go to a computer store near you and ask them to do it for you, or order a cheap supported CPU from somewhere with a good return policy, use it to update your BIOS, and return it. IMO the former option is by far the preferable one, even if it's the slightly more expensive one.
I took my board to a local shop and $25 later I had a working board.
 
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