KrySTaL-KoDE, I know with a desktop PC there is a switch on the back to adjust the voltage setting, but not sure if laptops have this feature. Other than that I would suggest you buy the adaptor you suggested.
Huawei P10 review
1995-2015: How technology has changed the world in 20 years
An overview: What leading creative agencies are doing to improve diversity
New iPad, iPhone SE & Red iPhone 7 on sale now
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.