The suspicion arises that here a grounded power supply will be suggested.
Probably not least because of the lack of ground produces a fault current on the notebook that breaks the touchpad out of step (a normal use is no longer possible) and certainly is not good for the electronics in the device. With me is - through the magnesium case of my Vaio Z - and moreover, that the whole body is energized and you feel a tingling sensation when you touch.
Even health is probably not to be recommended not to use grounded power supplies. Here the background is a link:
[...]
I can not recommend the PSU.
Unfortunately, it is also not possible to identify a neat Grounded power supply from the offerings by product descriptions and images through the practice of fake Schuko plug. Therefore, I'll probably buy this and dispose me an original AC adapter.