I'm facing a bit of a situation trying to help my father with his newly purchased XPS Desktop 8960, which has an Intel UHD Graphics 770. Since it only has a DisplayPort output and my father's monitors are both HDMI, I got him a DP to HDMI adapter. Now, he wants to connect two HDMI monitors at once. I've ordered a DP to dual HDMI MST splitter, but he insists that the current DP-HDMI adapter is stuck and can't be removed – which I believe isn't true. I'm thinking about sending him an HDMI to dual HDMI MST adapter that connects to the existing DP-HDMI adapter, providing two HDMI ports for the monitors. My question is, if this setup works, will both monitors just mirror the same display, or can he extend the desktop over both monitors and use them independently? I've read that a DP to HDMI dual splitter can extend displays, but I'm unsure given this situation. Thanks in advance for any help!
2 Answers
Using a single HDMI adapter or splitter typically mirrors the image across both displays. So, you'd see the same thing on each monitor if that's how you connect them. If you want independent displays showing different content, an MST (Multi-Stream Transport) hub should let you extend displays, but it’s crucial to use the right kind of adapter.
The latches on DisplayPort connections can be a bit tricky. If the adapter seems truly stuck, you might either need to use a video card with multiple outputs, or consider using DisplayLink solutions for video over USB, though the performance might not be ideal. They’re a quick alternative if you're in a pinch.
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