Super long post. I did not read the whole thing. But it sound like you are looking for a "EXTENDED DESKTOP" solution. Where you can use your laptop monitor normally, and then move stuff over to your TV and watch things in full screen.
Windows Vis...
If you can pick out mistakes in what's written in Geeks then you're past the halfway mark. Don't rely on your computer though:
I have a spelling checker.
It came with my pea sea.
It plane lee marks four my revue
Miss steaks aye can knot sea.
Eye...
This is very true. Dialects will impact your grammar significantly and it can be difficult to distunguish between "standard" language and "local".
Most of these guys say "read more". I can't disagree, although I rarely read myself. That probably ...
I would suggest targeting one problem at a time. It sounds like you are trying to improve your verbal grammer not necessarily your writing skill; however one will follow the other. For example, if you you are constantly using "yal" instead of "you...