A slow DisplayLink display does not point to one universal fault. Plugable recommends starting with the original host cable and a computer USB port that meets the product's required connection speed. A cable that fits physically can still offer insufficient data bandwidth for the setup.

Check the recommended DisplayLink driver next; an automatic Windows installation may not be the latest recommended release. Plugable also suggests limiting refresh rates to 60Hz while investigating performance. These checks establish a suitable connection and software baseline before blaming the external monitor or replacing display hardware.