Question Ryzen 3700X not working - black screen

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elgoto

Sep 3, 2019
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Hello.

I just upgraded my X370 board from a Ryzen 1600X to a 3700X. When i boot with the new CPU, everything turns on (even mouse and keyboard has lights as normal), but my monitor doesn't get a connection. The monitor starts up, but shuts off after a while again.

I have updated to the latest BIOS of course. And i can boot normally if i put back in the old 1600X CPU again.

According to the manufacturer, the motherboard does indeed support the new CPU as long as you run a newer version of their BIOS. The board is an ASUS X370-F.

Have i missed something?
 
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elgoto

Sep 3, 2019
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Tndo said:
How do you mean that?
Click to expand...

Why do you ask about the flashback thing?

I mean i can downgrade the BIOS version to the 4801 (first BIOS version that supported 3rd gen), by using my original CPU (the 1600X) which makes everything work perfectly fine and gives me access to the BIOS.
 
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Tndo

Jul 17, 2019
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elgoto said:
Why do you ask about the flashback thing?

I mean i can downgrade the BIOS version to the 4801 (first BIOS version that supported 3rd gen), by using my original CPU (the 1600X) which makes everything work perfectly fine and gives me access to the BIOS.
Click to expand...
Do that and w8 for new bios versions. also prepare for loud cpu fanst since the first update normally had problems with recognizing cpu temps
 
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elgoto

Sep 3, 2019
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Tndo said:
Do that and w8 for new bios versions. also prepare for loud cpu fanst since the first update normally had problems with recognizing cpu temps
Click to expand...

What do you mean by waiting for newer BIOS versions?
If this doesn't work, couldn't it just be that the chip is broken from manufacturing?
 
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Tndo

Jul 17, 2019
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elgoto said:
What do you mean by waiting for newer BIOS versions?
If this doesn't work, couldn't it just be that the chip is broken from manufacturing?
Click to expand...
I thought you meant that the 3700x works with the first bios update. But for now i will say you should contact some support or send the chip back or downgrade to old bios and upgrade again
 
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elgoto

Sep 3, 2019
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Tndo said:
I thought you meant that the 3700x works with the first bios update. But for now i will say you should contact some support or send the chip back or downgrade to old bios and upgrade again
Click to expand...

The 3700X has never worked. Everything seems to be working just fine when i boot though, but the monitor gets no connection.
 
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valeman2012

valeman2012

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Apr 10, 2012
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COLGeek said:
I am pretty sure the chipset drivers would not prevent the 3700x from accessing the BIOS. Seems the OP hasn't gotten that far with it.
Click to expand...
Other Motherboard makers usually tell people to upgrade to a bios before updating to a newer bios to have it worked with no instability issues. Might mess up something in the process of bios update.
 
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elgoto

Sep 3, 2019
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valeman2012 said:
Other Motherboard makers usually tell people to upgrade to a bios before updating to a newer bios to have it worked with no instability issues. Might mess up something in the process of bios update.
Click to expand...

I did update the drivers, but it was afterwards though. I haven't gotten recommended updating the drivers beforehand from ASUS anywhere. If it was such a crucial step, i'm sure they would have told me somewhere.

COLGeek said:
I am pretty sure the chipset drivers would not prevent the 3700x from accessing the BIOS. Seems the OP hasn't gotten that far with it.
Click to expand...

Unfortunately it still doesn't work.
 
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elgoto

Sep 3, 2019
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Yuka said:
Did you perform a clean windows install after the upgrade?

Cheers!
Click to expand...

No. I can't see how that would fix anything? I can't even boot into the BIOS (what i'm aware of at least). It's not possible to know if it's only the monitor that won't turn on and everything is booting just fine, or if nothing works. Evertyhing works just fine with the old CPU still.

Please explain why you think a clean install of windows would change anything.

drivinfast247 said:
Have you tried a different USB drive for the BIOS update?
Click to expand...

No. But i have no problems with the BIOS update. It's up to date and works without any problems with the old CPU. If the install was corrupt i wouldn't be able to boot with the old CPU.
 
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-Fran-

-Fran-

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May 3, 2007
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elgoto said:
No. I can't see how that would fix anything? I can't even boot into the BIOS (what i'm aware of at least). It's not possible to know if it's only the monitor that won't turn on and everything is booting just fine, or if nothing works. Evertyhing works just fine with the old CPU still.

Please explain why you think a clean install of windows would change anything.
Click to expand...
Windows 10 has UEFI security elements that won't allow you to boot if they find differences in the system config. I'm not 100% sure if this would be the case, but since you've already tried a good chunk of things "long shots" are acceptable, I guess.

Cheers!
 
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DMAN999

DMAN999

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And on version 4406 as well:
Version 4406
2019/03/11 9.94 MBytes
ROG STRIX X370-F GAMING BIOS 4406
Update AGESA 0070 for the upcoming processors and improve some CPU compatibility.
ASUS strongly recommends that you update AMD chipset driver 18.50.16 or later before updating BIOS.
Click to expand...

Honestly unless you are using a CPU with iGPU then I can't see how the Chipset Drivers would keep it from completing POST though.
 
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