Right-click the installer and select "Run as Administrator." Follow the wizard. You will likely see a screen telling you to "Plug in your device now."
Without the correct driver, your operating system sees a piece of plastic plugged into a blue USB port. With the driver, it unlocks a secondary video card capable of pushing 1080p or even 4K video. This article will cover everything you need to know about these drivers: how they work, where to find them, how to fix common errors, and whether you actually need one in 2025. Before troubleshooting drivers, it is vital to understand the hardware. A standard HDMI port on your laptop is connected directly to your GPU (Graphics Processing Unit). It uses native protocols. A USB 3 to HDMI adapter is different. It is essentially an external graphics card.
Go to the official DisplayLink website (synaptics.com) or your adapter manufacturer’s support page. Download the latest "DisplayLink USB Graphics Software for Windows."
However, there is one critical piece of software that stands between you and that glorious extended display: