When the game is loaded with unstable video card.

When playing Dead by Daylight and CS:GO is an unstable graphics card.
Basically the first 2-3 minutes is fine, everything is stable. And then the CPU reaches up to 89%-99% load and FPS drops very much. In turn, the video card is only 0% -9%. Then again stabiliziruemost up to 30% -40% and increases fps, but not for long. With an interval of 2-3 minutes.

Configuration (Laptop)
Graphics card: 4gb Nvidia GTX 1050Ti
Processor: i7 2.8 Gh 7700HQ.z
RAM: 8gb
The word in the benchmark video card is loaded completely.