![]() You may be tempted to use a passive HDMI→DVI adapter and then a passive DVI→VGA adapter, but this won't work. HDMI and VGA are completely incompatible, so you need an active adapter which will decode the HDMI signal and produce equivalent VGA signal. Similarly HDMI uses the same signaling as DVI-D, so you can convert between them without any electronics - just wires. For example, DVI-A is just repackaged VGA (aka D-Sub) and they can be passively adapted both ways. It's just two different connectors wired together. Passive means there's no signal transformation necessary. Some connectors are physically different, but use identical signaling - in these cases a passive adapter is sufficient. Your laptop is outputting an HDMI signal which has to be converted to VGA.
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