Hello, I have a Ryzen 1500X and AB350M Pro 4 PC. I bought the PC on February 2018. Later on March I bought a nVIDIA GTX 1050ti. Since then the PC freezes almost every day. I took it back to the seller he said they checked it and no freezing occured while it was there. I changed my SSD(the only thing it was not bought with the rest),did a clean install of Windows 10 and the problem is still here. I have stressed CPU,memory with prime95,realbench and windows memory check app. My problem is that the freezing occures random and I can't find a way to replicate it so the seller can see it. Does anyone have a solution?

System Specs:
CPU: AMD Ryzen 5 1500X CPU (Stock Cooler)
RAM:  Corsair Value Select 1x8GB DDR4-2133MHz (CMV8GX4M1A2133C15)  running on A1
PSU: Corsair VS550  PSU
GPU:  Palit GeForce GTX1050 Ti 4GB Dual OC (NE5105TS18G1D)
MOBO: Asrock AB350M http://" rel="nofollow - Pro 4
SSD:  Samsung 850 250GB http://i.viglink.com/%3ckey=d7d7aa5ced1ebc0821effbccab897fa0&insertId=89ea3f44761015e9&type=H&exp=60%3ACI1C55A%3A20&libId=jjpjovvk010009ks000DLcajfwho9&loc=http%3A%2F%2Fforum.asrock.com%2Fforum_posts.asp%3FTID%3D5555%26title%3Dsolved-ab350m-pro-4-uefi-settings-black-screen&v=1&iid=89ea3f44761015e9&out=https%3A%2F%2Fwww.amazon.com%2Fdp%2FB07CGT94PG&ref=https%3A%2F%2Fwww.google.com%2F&title=**SOLVED**%20AB350M%20Pro%204%20UEFI%20Settings%20Black%20Screen%20-%20ASRock%20Forums%20-%20Page%201&txt=%3Cspan%3ESamsung%20%3C%2Fspan%3E%3Cspan%3E960%20%3C%2Fspan%3E%3Cspan%3EEvo%20%3C%2Fspan%3E%3Cspan%3E250GB%3C%2Fspan%3E" rel="nofollow - SSD (OS Installed on this,Bought yesterday)
HDD: Western Digital 500GB 5400RPM SATA Hard Drive
WIN: Windows 10 Student ver. 1803 w/ latest updates
BIOS: Latest Asrock BIOS ver. 4.70P

ok a few suggestions

install the chipset drivers from the asrock support page and then install the amd chipset driver from amd support direct over the top e.g. as an addition

swap the ram stick from slot a1 to slot a2

also have you tried reseating the graphics card ?

talking of ram most systems do prefer 2 sticks so the system can use dual channel rather than one stick ,but this shouldnt cause your freezing issue

I have the same problem. Seller also said that they checked it and no freezing occured. I'm using 2200G with Integrated Graphics.

The BIOS you are running is not proper for your 1st gen CPU. Try flashing back to 3.30 to the voltages keep calm down. Good luck.

The MoBo was not having massive issues before the release of Raven or Pinnacle and the BIOS upgrade needed to use them.

the 4.X Bios came to get the mb.  be compatible with APUs and 2nd gen Ryzen CPU.

Using the mature and stable Ryzen 1st gen CPU (not APU support) BIOS with Agesa 1.0.0.6 is the better way to check if the mobo is faulty or is ok, but the new bios behaviour are not well supported.

It's possible that the mobo can handle the voltages regarding Ryzen 1st, with no XFR2 and no Vega Cores peaking the same VRM, but can not do properly after flashing the Raven / Pinnacle BIOS due the improvements over Performacen Boost (and Vdroop) and / or the iGPU.

Keep in mind that the default voltage of the APU (stock) is 1.40V, peaking 1.55 easily at every moment on load. I think this is much more than the board design was in mind more than a year ago. 

But you may be configure your 1st gen Ryzen above 1.2V vcore and use the GPU normally, not like the APU does. So this may mean that the weak board may be stable with 1st gen chip because the voltage needings are lower than apus or 2nd gen ryzen.

If you still having freezes in this case (1st gen 1.2 + GPU): don't waste more time with wour system configuration, parts, drivers, etc and go for other mobo.