how to disable the numberpad? It's too sensitive when I do mainly typing, it turns on automatically

[swn_wff]

System:
Battery or AC:
Model:
Frequency of occurrence:
Reset OS:
Screenshot or video:
========================
Detailed description：

[swn_wff]

I don't want to press the top right on/off all the time. Once i turned off, it turns on again sensitively.

[Blake_ASUS]

Hi there,
Which model do you have?
Thank you.