nvidia 940mx/intel hd driver not working

Describe the bug

I have Nvidia 940mx/Intel HD 520 card but Nvidia card is not detected when I type nvidia-smi .i have download all necessary packages but it not working

To Reproduce

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Expected behavior

Screenshots

Enviroments:

Distro & Version

Linux Deepin 15.10.2

Related package version

Additional context

[justforlxz]

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