By Derek V. Mackown | IT Technician & Display Hardware Specialist The first thing most people do when the resolution setting is grayed out is right click the desktop and open Display Settings again. As if opening it a second…
By Derek V. Mackown | IT Technician & Display Hardware Specialist A monitor that randomly goes dark and comes back is one of the most disruptive display problems I deal with, not because it’s technically complex, but because the timing…
By Derek V. Mackown | IT Technician & Display Hardware Specialist Most people have never experienced a properly calibrated touchscreen not because well-calibrated screens are rare, but because nobody has ever told them what to look for. A properly calibrated…
By Derek V. Mackown | IT Technician & Display Hardware Specialist Touch unresponsiveness is one of the most disorienting phone failures to troubleshoot because there’s no visual artifact to examine. The screen looks perfectly fine. The display is on. Everything…
By Derek V. Mackown | IT Technician & Display Hardware Specialist Every other article in my troubleshooting workflow eventually points here. Flickering screen? DDU. TDR crashes? DDU. Blurry output after a Windows update? DDU. Stuck at the wrong refresh rate…
By Derek V. Mackown | IT Technician & Display Hardware Specialist Here’s a question before we start: how do you actually know your screen is at maximum brightness? Not the slider. Not the keyboard key. Not the percentage in Settings.…
By Derek V. Mackown | IT Technician & Display Hardware Specialist Stuck pixels are one of the few display problems where the success rate of the fix varies so dramatically that knowing the odds upfront changes how much effort you…
By Derek V. Mackown | IT Technician & Display Hardware Specialist The first thing I do when a laptop arrives on my bench with lines on the screen isn’t open Device Manager. It isn’t run a diagnostic tool. It isn’t…
By Derek V. Mackown | IT Technician & Display Hardware Specialist It appears without warning. A single vertical line almost always green, occasionally pink or white, running from the top of your screen to the bottom in a perfectly straight,…
