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Try installing the latest AMD Driver for the R7 350 (18.9.2) Radeon™ Software Adrenalin Edition 18.9.2 Release Notes | AMD
Your APU A10 5745 with HD 8610g is considered to be legacy and non-supported by AMD any more. But here are the last AMD APU Drivers from AMD Support: A10-5745M with Radeon™ HD 8610G Drivers & Support | AMD .
Your Biostar Motherboard has a Mobile (laptop) APU installed. Here are the specs on the your APU: http://www.cpu-world.com/CPUs/Bulldozer/AMD-A10-Series%20A10-5745M.html
There might be a conflict since you have a Legacy Non-Supported APU with integrated Graphics and a Supported GPU Card but this occurs in Laptops in which case you have a Desktop which may not apply. Make sure the Supported GPU Card is Primary in Graphics in BIOS.
the vga onboard already disable . my friend have the same graphic card just like me and he use FX-4100 @3.6Ghz... its still cant play dx9 game, except ( game were using Unreal Engine run well...) and CS;GO , Left 4 Dead. if I upgrade my computer and replace my graphics card to the RX 400 Series, will I be able to run the dx9 game? of course I won't use APU based cpu anymore. because as you said that there may be conflicts between legacy Non-Supported APUs with integrated Graphics and a Supported GPU Card