intel HD graphics 620 not using enough Shared Memory (Lags Game)

[WedgeBudgie]

so one week ago, i did a clean install of windows 10 and installed everything new including drivers and so on But then after installing the drivers , and i started a Game I notice that my gpu was not using enough shared memory, only using 0.1 to 0.4 of the 8Gb of shared memory available and then i saw that my 3D on the GPU was Going Up and down many times and the shared memory is really low . I don't know what is happening? I did everything i could to fix the problem but I can't.

Specs:
 Processor Intel(R) Core(TM) i5-7200U CPU @ 2.50GHz, 2712 Mhz.
16Gb Ram 
Intel HD Graphics 620

yeah i just dont know what is wrong?

[WedgeBudgie]

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