Q: Can I use an HDMI splitter to extend, not duplicate, my laptop screen across two monitors? (via Quora)
A: Nope.
An electronics splitter (audio or video) takes a single signal and splits it into two identical signals.
If you connect a signal splitter to any of your laptop’s AV outputs, you’ll get two identical signals at the far end of the splitter’s cables.
In the case of video, you’d see the same image on both screens, not one giant, two-screen-wide image.
There are other devices that can do what you want, but they involve a signal processing unit, and are much more expensive and complex than a simple splitter.
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Can you please tell us about the other devices which can be used to extend, not duplicate, a laptop screen across two monitors.
I have the same doubt and would like to know the answer to it. Please suggest me the name of a device which can extend (not duplicate) my laptop screen to 2 or more display monitors, waiting for any replies, thank you.
I’m looking for the same thing, I bought a switch it didn’t work ! An HDMI hub is what I need? I need extra hdmi ports for a printer and extra monitor??