I had recently installed Ubuntu and then again uninstalled it. My games like fifa18 cs go are now lagging.
Ram: 8gb
Graphics card: NVIDIA GEFORCE 4gb
Processor: i7
If you reinstalled windows after you uninstalled Ubuntu then you probably need to install your drivers. Motherbd chipset first, then the gpu drivers, followed by the rest of the motherbd drivers.
If you reinstalled windows after you uninstalled Ubuntu then you probably need to install your drivers. Motherbd chipset first, then the gpu drivers, followed by the rest of the motherbd drivers.