Ryzen 5 1600 CPU will not post on Gigabyte AB350-Gaming 3 Rev 1

Aug 15, 2018
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Hello,
Well my last 3 builds were Intel i5 and i7 and i thought i would try and AMD build. Not going so well.

I just put together a build:
Rosewill Challenger 5 Case
AMD Ryzen 5 1600
Gigabyte AB350-Gaming 3 Rev1 Mother Board
Corsair RM 650x Power supply
G.SKILL Ripjaws V Series (2 x 4GB) DDR4 2666
Samsung 850 SSD
MSI 1050TI 4gb GPU

My build will not post the CPU. The CPU LED power indicator stays illuminated. I have tried: --------- Different working RAM from another build in the house.
- I have tried different power supply connections from the RM650
- Pulled off and reseated CPU twice.
- Pulled off and reconnected all PS connectors.
- Removed battery to reset CMOS.
- Removed GPU to boot without it.
- All standoffs are correct and MB is not touching the case anywhere.
- Left on for 10+ minutes.

I called Gigabyte and they said the boot order is CPU, RAM, GPU. If the CPU does not post will not move to the next boot cycle. As noted I am getting the CPU problem indicator immediately.

I am in need of help. I could RMA the CPU or MB. I am just not sure what the problem is. Should I try updating the BIOS on the board? What else could it be. I have a hard time believing the CPU is DOA.
 

clutchc

Titan
Ambassador
If you bought it recently from Newegg, I'd have to assume it has a late BIOS. Probably not the issue. But it would be nice to confirm. Have you tried breadboarding the system outside the case?
Install just CPU/cooler, stick of RAM (in first slot if so specified), PSU, and gfx card (be sure to feed the 6-pin header if it has one) to monitor. Start the system by momentarily shorting the two pins that the power button would connect to.

If no display, I would have to assume a bad board or card. You'd have to find another gfx card to try to eliminate that.
 
Aug 15, 2018
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All brand new from Newegg today. The gigabyte tech support insists the bios is correct but I sure to wonder. The last individual i spoke with from Gigabyte said the original firmware for this board should support the Ryzen 5 1600. But that is not exactly what I read.
 

clutchc

Titan
Ambassador
If you bought it recently from Newegg, I'd have to assume it has a late BIOS. Probably not the issue. But it would be nice to confirm. Have you tried breadboarding the system outside the case?
Install just CPU/cooler, stick of RAM (in first slot if so specified), PSU, and gfx card (be sure to feed the 6-pin header if it has one) to monitor. Start the system by momentarily shorting the two pins that the power button would connect to.

If no display, I would have to assume a bad board or card. You'd have to find another gfx card to try to eliminate that.
 
Aug 15, 2018
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You nailed it. I ordered a new MB and it came today. Threw it in and it all worked great. It could be an old BIOS or just a bad MB. I will ship back the defective one. Thank again.
 

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