Not able to load into Windows
Hold the F2 button and power on the laptop.
Continue holding the F2 button until the UEFI settings load.
Alternatively, try tapping F2 every half-second.
Once you enter the UEFI settings,
follow the instructions displayed to reset the UEFI settings to defaults (usually pressing F9).
Follow the instructions displayed to save and exit (usually pressing F10).
NOTE: On Windows 8 machines that have been upgraded from an earlier operating system,
the reset procedure for the BIOS is the same as the version of the original operating system.
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------