It’s day two of Tech 911—the working-from-home edition—and I’m back to tackle even more of your tricky troubleshooting. Remember, if you’re having any issues with your work-from-home setup, I ...

A step-by-step guide to fixing a black screen on MacBook Pro or an external monitor.

Laptops forever changed where and how we work, and as great as they are at giving us that freedom, it’s still incredibly useful to plug into a larger monitor (or two) when at my desk. As I get older ...

I have bought a HDMI to Displayport cable on the assumption that it would just work, but it doesn't. As this is my first foray in to the displayport territory I am stumped. I am using a Dell U2412M ...