Clevo W550SU W550SU1 - LVDS or EDP cable for Built-in screen?

Hi everyone.

Quick summary: I bought a brand new Full HD screen, to replace my just HD screen.
Replacing the 2 screens, the connector is exactly the same, but the Full HD screen does not show any image.

Apparently this is because the current cable I have it is only SINGLE channel.
This is perfectly fine with HD screen, but a real Full HD screen requires a DUAL channel cable, that I need to buy, then.

Looking for this dual channel cable, I found some one asking me if I needed an EDP cable, or an LVDS cable.

Now I am a bit confused. The "Intel HD Graphics Control Panel" shows my Built-in screen connector type as "Embedded DisplayPort"... so this would make me think that I need the EDP cable.

But according to what I find on the Internet, with EDP cables, there are no Single / Dual channel cables. Just EDP cables.

This makes me think that the Intel utility is just wrong, and I need the LVDS Dual channel cable.

Any help?

Thanks!

 

It should be LVDS dual channel. EDP came later than your model, if I recall correctly.

 

eDP has 'lanes', which are basically the same thing as 'channels' with LVDS. So, no; there's different eDP cables as well. As for your question; see your other thread.

However, an otherwise similar 1080p panel needs about 10 wires/pins less with eDP than its LVDS predecessor required, say 30 instead of 40 pins (and scales much better at the high end). This is one of its main benefits; 4K with LVDS was/is certainly possible and there's even a few examples of those, but this needed far too many pins for it to be practical. The plethora of pins meant more wires, thicker/additional cables and more complex connectors and motherboard layout. It's really eDP that made 4K possible, not a change in panel technology.

Btw, it's possible you've gotten an older revision motherboard in a later production system or simply an earlier model, even if bought recently.