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Monitor with VGA, HDMI, and USB Converters

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#1 sasschary


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Posted 10 April 2018 - 11:48 PM

Hi, everyone,


I'm trying to connect an external monitor to my laptop. But, the connections I have seem to prevent things from working, even though they should theoretically be possible. My monitor has a VGA connection. My laptop doesn't have any video outputs that I'm not already using. So, I have a USB to HDMI converter, and then an HDMI to VGA converter. In theory, I feel like this should work. However, when I actually connect everything together, nothing shows on the monitor. My computer recognizes the USB to HDMI converter, and it shows up as working properly in device manager. But nothing appears in the display settings or anything, so I am still unable to make the multiple converters thing work.


Anyone know any reasons this wouldn't work, and how to make it work?


I have Windows 10, by the way, with a Nekteck Usb 3.0 to 4K HDMI and a generic HDMI to VGA converter.


Thanks in advance,


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#2 mjd420nova


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Posted 11 April 2018 - 04:43 PM

The VGA and HDMI cannot be split.  USB works most of the time but adapters act strange and often need a boot sequence (order in which to power up each device so they can be seen by each device in the chain.   Even that may not work.  A VGA output to external monitor should be okay, a second on the HDMI port will work as extended/expanded  display.  Adapters just confuse the handshaking going on between devices and their ports and confuses the laptop too. 

#3 Kilroy


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Posted 25 April 2018 - 05:05 PM

I think you'd have better luck with a USB to VGA adapter.  Using the two adapters is probably why it isn't working.

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