I have an MSI Bravo 15, and it performs correctly under normal conditions. The fan speed changes according to usage normally and generally keeps a low profile, not making much noise. However, when I start playing a demanding game, the temperature rises quickly and reaches a point where the fans ramp up to maximum, and the GPU and CPU usage is limited to 40%, causing the temperature to drop rapidly. Within seconds, the temperature goes back to low values. However, despite this, neither the fans nor the performance recover, and I have to restart the computer for it to work again. Another note is that if I activate MSI’s Cooler Boost mode before starting a game, even though the temperature reaches high (normal) values, the temperature and performance stay stable. But this only works if I have the fans at maximum before starting any demanding process. I have already tried updating the BIOS, all drivers, and formatting the PC.
Have you checked if there are any thermal throttling settings in the BIOS? Sometimes those can affect performance after overheating.
It sounds like your cooling system might need a bit more help. Have you tried cleaning out the fans and vents? Dust buildup can really affect performance.
You might also want to consider using a cooling pad. They can help keep the temperature down during intense gaming sessions.
If the Cooler Boost mode works before starting a game, maybe just make it a habit to turn it on. It might save you from performance issues.
Also, double-check your power settings in Windows. Sometimes, they can throttle performance as well, especially if it’s set to save power.