Hi it could be your CPU overheating. Can you hear your fans running inside your pc tower?
If possible unplug pc, take side off tower and check that the fan/s are clear of dust.
Do you only get this problem when game playing?
Surface Pro 5 News - release date, UK price, features, specs
Animator Emanuele Kabu’s psychedelic video is a stunning tribute to Lisbon city
Best Mac antivirus 2017
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.