For starters, you might concider a different service provider. I know if a tech hung up on me I would be right back on the line asking for a manager and then looking for someone who wants my money.
As for the no load problem, if you get to Safe Mode, look in device manager for conflicts.Let us know a little more system info and if you see any conflicts and we can probably help.
They say to eat before you go to the grocery store so you don't buy so much. That doesn't work at the liquor store does it!