So what actually is Fast Startup? Well, when performing a shutdown, what actually happens is that Windows closes your apps but then hibernates the kernel, which is the core of your operating system, as well as your hardware drivers to your SSD. This means if a driver is glitchy or the kernel has a memory leak, that error is saved to your disk and reloaded the next time you turn the PC on. Ironically, the restart is technically more thorough because it bypasses fast startup to fully refresh the kernel from scratch. This happens so that when your PC next switches on, the state of the operating s