There are various reasons why Windows does not start. The first assumption is a defect in the boot environment that prevents the system from starting. However, causes can also be a defective file ...
The first easy step is to reset the CMOS and see if it helps you boot into Windows. To reset or clear CMOS, follow these steps: Force shut down your computer by pressing and holding the power button.
If the BIOS update is stuck at 0 or 100 %, check if your motherboard has a Self-Healing BIOS feature and then follow these ...