This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to connect vista and windows 7
Set up your router.
Make sure your router is plugged into the power adapter. Plug in the dsl line into the appropriate slot on the rear of the router.

Options are: (1). If you're unsure of how this looks, consult the router's user manual. Make sure the internet light indicator is flashing. (2). Then connect your router's power adapter to the switch you'll use to turn on your router. Check that your computer and router have bios updates. (3). Plug in your windows 7 built-in adapter to the usb jack on the back of the router and if you have any minor issues with the router you should discontinue using it. Start installing os x (the language you use to understand windows). (4). Disconnect the laptop from the router. Slide the fpm power switch or power switch to the on position on the front of the router.
The answer is:
(1).