Video card device lost

So i bought a new computer and when i playing overwatch sometimes its shut down and show me an error which says “we lost conenction with your video card device” seomthing like that.( cpu: intel core i5-8600, ram: 16gb ddr4, gpu: intel uhd 630 ) (ghrapics: medium with locked and stabel 60 fps)

On board graphics?

Any signs of overheating or power issues?

there is no power issues an dno overheating

These steps can help resolve Rendering Device Lost errors: