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Thank you for joining the Intel® Community. I am sorry to hear you are having issues with this matter.
The first thing to do in this case is to report this behavior to ASUS support since the driver is the one they provide for your particular computer model. From my end you can try installing the driver .4877 with these steps: https://www.intel.com/content/www/us/en/support/articles/000005629/graphics-drivers.html
thank you for advise regarding manual installation of the Intel 188.8.131.5277. I have tried it before, but it doesn't work. System doesn't recognize original Intel driver as compatible and responds, that the best driver (Microsoft Basic Display Adapter) already installed.
I am also contacting Asus suport in parallel, but up till now their response is - "This issue can be caused by CPU or DRAM, there is no reason to believe that this is a motherboard, since it does not participate in image rendering, being only a data transmission bus. That is the reason either in the CPU or in the DRAM. So it is worth checking with others." I have checked RAM with Windows Memory Diagnostic tool, which responded no errors. So now I am trying to check any possible issues with CPU.
Does anybody knows any tool for checking HD Graphics 630 on Intel I3-7100?
Finally the cause of the problem found and solved.
There was no fault in motherboard. Asus EX-B250-V7 performs perfectly after changing CPU to another one. Therefore I returned suspicious i3-7100 CPU to seller. Seller confirmed the problem in CPU and replaced it by new one.
Setups works perfect after replacing faulty CPU. Solution confirmed. Issue closed.