Download, run, and attach the results of this utility: https://downloadcenter.intel.com/download/25293/Intel-System-Support-Utility Download Intel® System Support Utility for Windows*
Then, the Intel support engineers will be to assist you.
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Intel Atom® Processors based on Braswell, Cherry Trail andhttps://ark.intel.com/products/codename/55844/Bay-Trail Bay Trail platforms do not offer support for Custom Scaling. This is because the display hardware is limited to only one display scaler.
It is worth mentioning that newer platforms based on the Intel Atom® Processors like Apollo Lake and Gemini Lake do not have this single scaler restriction.
Intel Customer Support Technician
Under Contract to Intel Corporation