you dont.
go get a remote
use a cable or install "remote desktop".
no you can not
You connect up to 5 devices with HDMI cables to the switch, and connect the switch output to your TV with another HDMI cable. You the selector switch or the remote to go between the devices.
DSL or Cable
You would have to have wireless internet.
Remove the plastic cover.
To connect to the Internet without Wi-Fi on your Xbox 360, you will need an Ethernet cable. Simple connect one end of the cable to the rear of the console and the other end to the router.
I think that there's a cable that you can connect the PS3 controller when I first got mine I used it to charge the remote that might work
You can do it with an usb cable , connect the usb cable to the nds and a PC , the nds will charge...
Some modems install internally, others require a cable.
No. The PS3 can only have a wired connection with an ethernet cable. The only other connection that is possible is WiFi. The PS3 can only connect to the internet with WiFi or ethernet cable no other type connection is possible. You can not use the HDMI or USB port to connect the PS3 to the internet. I do not believe a router can be connected to the internet cable without a modem or that you can have cable internet without a modem
PS3 must connect to the internet with the ethernet cable or the WiFi. It was not designed for a Dongle to be used in the USB port