How to select power adapter
the rated output current of the power adapter shall not be less than the rated input current of the computer.
if you look at symbol and laptops are not the same, it is absolutely impossible.
The polarity of your notebook symbol is in the negative, the adapter of my pictures is not clear what is marked polarity
he same or similar voltage. The nominal input voltage on your computer is 16V, and the rated output voltage of the adapter is 20V, the difference is larger, so it can not be replaced
