![]() ![]() ![]() ![]() ![]() I currently need this dummy HDMI dongle because I added a second graphics card in my devbox, an MSI Radeon R9 290X. When the OS thinks a monitor is attached to the graphics card, it enables the GPU. To be accurate, this dummy dongle will not simulate a real HDMI monitor but rather a VGA monitor connected to the HDMI port via an HDMI to VGA adapter. The main goal of this dummy VGA/HDMI dongle is to fool Windows (or Linux or macOS) by simulating a ghost monitor that would be plugged on the HDMI port. Let’s see if this old trick is still valid today with an HDMI-VGA adapter. Several years ago, I wrote articles about a dummy VGA dongle based on a DVI-VGA adapter (see HERE and HERE).
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