I plugged my trusty Dell Latitude E6410 into the VGA cable connected to a Viewsonic projector at TechShop Detroit to give the OpenSCAD Modeling presentation, but the display showed a surprising amount of ghosting; whether that was due to a bad cable or the usual presentation gremlins, I cannot say. Fortunately, although I didn’t have a VGA cable, I did have a fair assortment of adapters for the laptop’s DisplayPort output…
On the laptop end, DisplayPort to a DVI-D cable:
On the Viewsonic end, DVI-D to HDMI:
Worked like a champ!
The projector in the room for the Arduino Survival Guide presentation had a VGA cable, but had been losing sync and turning itself off, so I unplugged that, rebuilt the DisplayPort adapter string, and continued the mission.
I must add a known-good VGA cable and corresponding adapters to the assortment…
The Smell of Molten Projects in the Morning 