Review on 4K HDMI Emulator - High Resolution Virtual Display Plug, New Generation Headless Adapter for 3840x2160@60Hz Support, 1080@120Hz DVI EDID Simulation (Single) by Leon Johnsson

I am using this on my Windows 10 PC which has a 4K monitor (3840 x 2160) via DisplayPort. In the past, whenever I turned the monitor off (or put it to sleep), Windows would resize all open applications to 600x800 and place them in the top-left corner: when I turned the monitor back on, they all did Applications still not displaying correctly. corner size. With this little gadget, Windows thinks there is another monitor with the same resolution. So when I turn off my real monitor, apps go on the fake monitor but stay the same size. If you turn on a real monitor, applications will appear in the same size and position as before! Note: Your graphics card or motherboard must have both DisplayPort and HDMI for this trick to work.