First post, by Azarien
I have a Samsung SyncMaster 551s but I need an extension cable (about 1.5 m) to use it with my setup. The problem is that all EDID information seems to be gone if I use that extension cable.
The monitor is recognized as a non-PnP, I can still set various resolutions in Windows 10 but some are missing and only 60 Hz works.
Forcing a PnP monitor or a specific one (SyncMaster 550s being the closest available choice) doesn't work - there's no error but it stays as non-PnP.
Tried on a laptop with VGA output, same thing happens.
Is this a known problem with VGA extension cords? If I hunt for a better cable what should I look for?