1. Both
2. Windows 8.1
3. At home both via wifi and ethernet. Phone and another laptop using a different network card work perfectly fine on the same wifi i try connectin to.
4. 4 or 5
5. I can barely connect to the internet. Not even a simple webpage like google will load.
6. Still the same.
7. Dell inspiron 17 7000 series
8. Came installed yes. Just bought this machine 3 days ago. Problems keep persisting.