These are simple "pin-swappers" that cost roughly $5–$10 . They only work if your source (computer) is already sending an analog signal through a DVI-I port.
Features a flat horizontal pin surrounded by four small pins . This port supports both digital and analog signals. You can use a cheap, passive adapter. buy dvi to vga converter
Rare, but supports only analog. A passive adapter works here. 2. Choose Between Active vs. Passive These are simple "pin-swappers" that cost roughly $5–$10
Features only a flat horizontal pin with no pins around it . This port is digital-only. You must buy an active converter with a chip inside to transform the signal to analog VGA. This port supports both digital and analog signals
Before you buy, look at the back of your computer. The pin layout of your DVI port determines whether you need a cheap or a more expensive active converter .