In the Raspberry Pi world, it seems that the “upgraded engine” in the Pi 4 is causing the WiFi to stop ... Apparently at the 2560×1440 setting using HDMI, the WiFi drops out.

When the Raspberry Pi 4 was released, many looked at the dual ... and a pair of Micro-HDMI cables. In fairness, most other SBCs need a similar list of accessories, and the price could be lower ...

Raspberry Pi 4: Use correct PSU (5.1V 3A) and fresh installation of latest OS to avoid booting issues. Check HDMI cable ...