Question HP Envy 15t Laptop Restarting

[jpva2023]

My 4 year old HP Envy 15t Laptop Restarting every 30 minutes.
Is that due to heating issue?
- tried adding fan, ram, hdd, battery, operating system - NO luck

any suggestions?

 

[rgd1101]

what do you mean adding fan , ram, hdd, battery?