Well, all you need is an HDMI to VGA converter adapter to do so. Apart from this, you can use it to connect your DVD players or PlayStation to your HD TV and get a better viewing and gaming ...

The DVI->VGA converters simply take the analog signal and change the pins. I don't think that would work for HDMI.

If you don't have that then you're going to need a converter like the Grass Valley ADVC-G1 (Figure 2, below) that can convert that VGA to your required output. In this case, that means SDI, but there ...

These converters can provide a much clearer image on the output side from a relatively lower-res VGA input. For modern third-party displays, most modern monitors have either HDMI, DisplayPort, or ...

VGA is an analog signal and HDMI is digital, so this conversion is more complicated (whereas DVI can swing both ways). However, you can accomplish this with a VGA to HDMI converter box.

But for other matchups, you’ll need something with a bit of smarts. These range from simple HDMI-to-VGA for less than 10 bucks, to multi-adapters that cover every possible connection for $20 to $50.