Cannot even get to bios Gigabyte AB350M-GAMING3

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Costas93

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Jun 20, 2017
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I recently bought some components for a computer but I cannot even get to the bios screen.
Fans of the PC are spinning, cpu fan is spinning, there is light on the led of the motherboard but black screen. The computer does not turn off it just runs but black screen.

PC Specifications:

PSU: evga 500w
CPU: ryzen 1700x
CPU FAN: CoolerMaster Hyper 212x
motherboard: Gigabyte AB350M-GAMING 3
ram: 2x4gb Hyper x fury 2400mhz DDR4 and i also tried 1 Hyper x fury 2666mhz and still nothing
graphics card: Evga Nvidia GTX 780TI 3GB
case: a big corsair case

I tried doing the following:

1) press the power button for 1 min then plug the power supply
2) flush the cmos
3) took out the motherboard battery and put it back in
4) put 1 ram into all the ports
5) bought a cheap graphics card to test the vga output because my graphics card does not have a vga output
6) tried the onboard graphics card but ryzen do not have onboard graphics so it worthless still i tried
7)took off all cables of the motherboard except the cpu fan, power supply to test if it only opens in the bios screen
8)tried to contact the two pins that flush the bios (i am not an expert)
9)took off the hard disk and ssd


My conclusion:

1) motherboard is faulty
2) cpu is broken?
3) bios version of the motherboard does not yet support my cpu?
google my motherboard and see in support -> cpu support
4) I need to update the bios through bootable usb? ( i cant see anything in the first place to do this)
5) 500watt psu not enough? ryzen has really low power consumption which is 95w same power when i had my graphics card in my previous build with an amd 860k processor
6) the graphics card has been also tested in a previous build so it is not a problem


Any thoughts would be greatly appreciated! I just need to find the problem!

Is it the motherboard or the CPU? or something else?
 
Solution
Chugalug_
"ram: 2x4gb Hyper x fury 2400mhz DDR4 and i also tried 1 Hyper x fury 2666mhz and still nothing"
Wait, so do you mean to say you have two 4GB sticks running at diff speeds? o_O don't do that lol, make sure they're both set to 2400.
Pretty hard to get the CPU not seated correctly, just needs to lineup and be held in through the levers.
The CPU fan runs separate.

That's all under 1.00.
Ryzen 7 released first, before Ryzen 5 remember?
BIOS 1.00 is fine.

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Chugalug_

Chugalug_

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Jan 28, 2016
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2, 3, 4 and 5 are impossibilities.
Do you have all the CPU power connectors plugged in?
PUT RAM IN SLOTS 2 and 4!
Don't use two different kits, causes instability and potential frying of memory.
You also 100% need at least 2800MHz RAM for Ryzen for scaling, pref 3000MHz.
Is the monitor plugged into the GPU? (I know it's basic, but some people still don't do that)
I can't do much to hard troubleshoot it from here, you can try to boot BIOS via USB, but given you said you can't even get into that it might not work.
Look up what the light on your mobo means in the manual.
 
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DRagor

DRagor

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Jan 23, 2017
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Not a BIOS problem. Not a GPU problem (2 tried and one known to work). Not a PSU problem (known to work). Not likely RAM problem (2 sets tried), although Ryzen boards sometimes have problem booting with certain ram types.
I'm afraid it's either faulty motherboard or CPU. Unless you missed a connection. So, first thing, go through the guide below to make sure you have all connected. If no change, you will have to do minimal build outside of case: mobo+CPU+PSU+1 stick of ram and GPU. If still nothing, install motherboard beeper and remove last stick of ram from build. If you don't get error beeps at this stage, that is a confirmation either CPU or motherboard are faulty.
 
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Chugalug_

Chugalug_

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Jan 28, 2016
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Ditto, I assumed you tried the 1x8GB stick in the second slot in place of the 2x4GB kit, but do that if you haven't tried already.
I wouldn't say anything mentioned above is necessarily indication the mobo or CPU are faulty, take it into the store you bought the parts from or a local PC store if it doesn't boot with either memory, and get them to take a look at it.
 
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Costas93

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Jun 20, 2017
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I did not use 2 different kits. I believe that the ram is compatible with the system, yes i plugged in the the GPU. I cannot find anywhere what the light strips mean in the manual. I have read it. If the CPU is not seated properly in, will the cpu fan still run? Something tells me that the bios version is the problem ( i am not sure if i can post links here but i will)

http://www.gigabyte.us/Motherboard/GA-AB350-Gaming-3-rev-10#support-cpu

as you can see here i believe i have the bios version 1.00 but to be able to support ryzen 1700x you need to have F3 is that the problem? can you check as well?
 
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Costas93

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Jun 20, 2017
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the big cable with a lot of pins at the right of the motherboard must be connected or not?
i have both that big cable at the right and the top left connected on the motherboard

 
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The Paladin

The Paladin

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the big cable with a lot of pins at the right of the motherboard must be connected or not?
Click to expand...

the 24 pin cable must be connected to the motherboard yes.
also the same goes for 1x6 pin & 1x8 pin cables to video card.

GvQnBZc.png
 
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Chugalug_

Chugalug_

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Jan 28, 2016
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"ram: 2x4gb Hyper x fury 2400mhz DDR4 and i also tried 1 Hyper x fury 2666mhz and still nothing"
Wait, so do you mean to say you have two 4GB sticks running at diff speeds? o_O don't do that lol, make sure they're both set to 2400.
Pretty hard to get the CPU not seated correctly, just needs to lineup and be held in through the levers.
The CPU fan runs separate.

That's all under 1.00.
Ryzen 7 released first, before Ryzen 5 remember?
BIOS 1.00 is fine.

 
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Solution
Chugalug_

Chugalug_

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Jan 28, 2016
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Yeah, that's the ATX power connector.
 
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Chugalug_

Chugalug_

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Jan 28, 2016
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Yeah, that's the ATX power connector.
Check your mobo, I believe those are two SATA headers down at the bottom front of the mobo, are they the primary ones?
Make sure your storage devices are in the correct SATA ports.
 
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