DVI will be a problem. :( -- xEnOn Aug 30 at 6:21 Most PCs that have no VGA connector usually have a DVI-I interface; both DVI and VGA signals are available at the pins. If you use a DVI-to-VGA adapter, then you would be able to connect your VGA monitor. Then if you used a HDMI(male)-to-DVI adapter at the PC (or HDMI cable w/HDMI-to-DVI adapter at the monitor), you could connect the DVI monitor. If I don't need a second graphics card, with the VGA-to-DVI connector, I could only use one monitor but not extending my screen's space to two monitors. Or I still could? -- xEnOn Aug 30 at 7:23 You would need to use a DVI-to-VGA adapter, not a "VGA-to-DVI connector" . You have not provided any specifics (What is the installed graphics card? What is the OS?) But it could be possible to use one graphics adapter with two monitors, with the desktop extended across the two screens. For Windoze: microsoft.com/athome/organization/... -- sawdust Aug 30 at 8:42 You might already have a DVI-to-VGA adapter. I've always received one with equipment that came with a DVI-I port. -- sawdust Aug 30 at 8:56 If you have a DVI connector and a HDMI connector already on your computer then chances are that all you need is an adapter to take the HDMI "port" and convert it to DVI. Leave the existing DVI connector and monitor alone. Just connect an adapter to your computers HDMI port to change it to