USB C to HDMI VGA Adapter Compatible with Thunderbolt 3 Laptop: Ideal USB-C dongle to connect USB C enabled ultrabook, laptop with (DP Alt Mode) external display via HDMI and VGA cable And allows you to expand the desktop to a big screen display Perfectly work in gaming, working and entertaining ★ Resolution up to 4K UHD with Audio This USB 3.Active adapters will work too but unless there is a concern with needing compatibility with DP (not DP++) outputs, or to get higher resolutions from HDMI 2.0 (which is not part of the DP++ backward compatibility), they are not gaining anything for the extra cost. Passive adapters only work from DP++ to HDMI or DVI. A passive cable will make a physical connection, but no video will pass through. If there is a situation where the only output you have is HDMI and the only input you have is DP then only an active HDMI to DP adapter will do. If you need more ports then get any of a number of cheap mini-docks so you have DP, USB, and maybe USB-C power pass-thru. If you want to plug a MacBook with USB-C into a DisplayPort display then just get a simple passive USB-C to DP cable. It's the same thing, don't make it complicated.
Think of it like getting a little dongle to plug a mouse into a USB-C port, or a 1/8" headphone to stereo RCA jack cable. HDMI is little more than DVI with a different connector, it's more than that but for the most part DVI equals HDMI and HDMI equals DVI. Get a passive cable with HDMI on one end and DVI-D on the other, use the DVI input instead of the DP input. "What should I do next to make my Dell display work?" Apple sells an adapter to HDMI because there is no adapter needed to get DP video out. "There is no USB-C to DisplayPort in Apple site, maybe MBP 2017 cannot output to DisplayPort?"ĭisplayPort is the only thing it can output. It's likely you have a passive adapter or an active adapter plugged in backwards. Active adapters only work one way, as in if it's made to adapt DP to HDMI then it cannot adapt HDMI to DP. These are called DP++ ports and will have a DP++ symbol to mark them. Most DP to HDMI adapters are passive, meaning they require a DP output with backward compatibility to HDMI and DVI to work. I followed the link given to the display specs and I see it has DVI-D, connecting DVI-D to HDMI takes only a cheap passive cable to work and does not require any protocol conversion. "I bought an USB-C Digital AV Multiport Adapter but did not notice that Dell2214H only has DisplayPort." I know this has been a while but I thought I'd respond if others happen upon this like I have.
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