This will help determine if the problem lies with the HDMI cable itself. If so, you'll want a replacement. If that's not the ...
Commodore 64 devotee Side Projects Lab has released a video teaser showcasing a 'true Full-HD HDMI' adaptor for the iconic 8-bit home computer.
In an attempt to make it easier, [peng-zhihui] set about developing tools to allow such screens to be driven from a simple HDMI feed. For those whose Chinese is a little rusty, the Google ...