High Sierra crashes randomly after login.

I've been using dual boot win10 and high sierra for over six months without any issues, until last week my Hackintosh went to sleep, the light on the case woke up after pressing the keyboard, but my monitor still showed nothing, so I hold the power button to reboot it and everything went well until I typed the correct password and as soon as I logged in, the monitor would lose signal, the only way was to reboot again(sometimes it log in normally).
At first I thought it was because of heavy use because sometimes it would happen if I open multiple windows and all the load indicator light would lit up, but then I tried using Cinebench and it ran normally. Whenever it crashes the mouse screen loses signal, and the audio stops. On the other hand, Win10 worked perfectly, so I don't think it's any hardware problem.
Specs: MSI Vega56, i5-6400 Skylake, Asus Prime 270m-plus
Thanks in advance.

submitted by /u/hkisthebest
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