Win10 system notebook keyboard button confusion reason and solution

Win10 system notebook keyboard button confusion reasons and solutions
Reason analysis:
Generally such problems are caused by hardware or improper settings, the following small series to Let's share the solution.
The steps are as follows:
1. Locate the [Fn] function key and the [NumberLock] key on the keyboard. The general FN key is on the bottom left corner of the notebook, on the side of the CTRL key, and the NumberLock is on the F6, F8 or ScrLK. Key overlap;

2. Pressing these two keys is to close the numeric keypad of the laptop and restore the normal keyboard. After pressing the [FN+NumberLock] key combination, we can view the notebook. Whether the [NumberLock] indicator is off.