Unfortunately, you cannot use an HDMI splitter for a dual monitor. If you plug an HDMI splitter into a dual monitor, you will only duplicate the original monitor’s content. HDMI splitters are designed to send audio and video from a single screen to other screens. It cannot handle data from dual monitors.
Is HDMI splitter good for dual monitors?
You can use an HDMI splitter for dual monitors to replicate contents from your laptop, game console, or cable box to other monitors. The splitter helps maintain the high resolution and quality audio from the source device.
Can I use an HDMI splitter to extend not duplicate my laptop screen across two monitors?
An HDMI splitter can’t extend the display to two monitors. What a splitter does is mirror the original image to 2 or more displays. A USB-to-HDMI adapter may effectively add a second HDMI port, which will extend the display. However, not all computers are able to output to a display via a USB port.