Is the switching power supply the same as the laptop power adapter?
Notebook is 19V Yeah, you have to find a output about 4A 19V power can be
Look at the size of the switching power supply, as long as the search can match the two
If the power output is not clutter, cut the output voltage and your notebook as the power adapter, the power is not less than your power adapter, can be used instead, but you do not think it is big?
