Solder the wires from the VGA cable to the Xbox 360 connector using the pinouts provided to match up the signals. You can connect all the VGA ground shielding to a single ground spot on the Xbox ...

Most desktop dvi ports are DVI-I. Theres no loss in quality unless its a crap cable. You can also get a dongle that adapts a dvi-i port to vga to use a regular vga cable with.

Yeah, if moving the cable breaks (or temporarily fixes) it, the cable or connectors are bad. VGA cables are cheap; you can probably find one at the local Goodwill for $1. Try that first.

HDMI’s ARC, or Audio Return Channel, can make your gear easier to use. Here’s how.

VGA is one of the most common input types for digital projectors. If your projector and your laptop are both equipped with VGA ports, you can connect them with a VGA cable.