Are you trying to connect VGA from Monitor to computer and then connect VGA from TV to computer? What do you mean no pc attached? You must display something out. TV can not work as a computer and display out to the monitor.
Wait for laptops with GTX 1070 and 1080 on it. Right now there are few under $1500 with 1060 on it so if you don't like waiting then go for it. For laptops under 500-700 best you can have is Skylake cpu with integrated 530.
What happened to the drivers exactly? I couldn't find any info on it too. Unless the update driver from computer management doesn't work then I should be worry
Which headphone. Just plug in your computer. If the headphone has one 3.5mm jack and computer has 2 ports then you need an audio splitter to make both mic and sound to work
Download Start-Up Navi on Android and follow the guide. Both Pioneer and Android must be on the same network
There is a guide https://www.pioneerelectronics.ca/ephox/StaticFiles/Manuals/Home/VSX-90_Quick_Start.pdf
WCKED: bought them at Walmart. Last for exactly a month...
But anyway, Panasonic RP-TCM125 ErgoFit looks cool and cheap
Seinheiser MX365 (because of the brand)
http://thewirecutter.com/reviews/best-headphones-under-40/