5 f64nd n40 36c2 b4t cann6t f5g4re 64t h6w t6 4n36c2 5t
REBOOT IT.
NumLock mode does not survive a reboot -- it will come back in the default you last set (typically in the BIOS of the laptop, or in Windows, there's a Registry Key "InitialKeyboardIndicators").
2 good + 2 be = 4 gotten
That's all I know...