lag in windows

My Specs Ryzen 7 4800H, 16 GB Ram, GTX 1660ti 6GB, 512 SSD. I got this problem after some time. at night I turned off the laptop and when I turned on a laptop in the morning it lags like taking time on the opening program, start menu, like of old computer to resolve this I have to plugin charger...

HP Envy 13” X360 Model 8CG8324G5M AMD Ryzen 7 with Vega 10 graphics. I installed drivers for them off of the AMD website following all instructions correctly. Upon restart I found an extreme lag to my screen, meaning it only rendered a single frame every 30 seconds or so. I used safe mode to...