Want to build a high-quality DIY projector screen? Check out how I built two 147" screens that look amazing for about $100 ...

An example of an outdoor theater setup, with a 100-inch Elite Screens Yard Master 2 screen and the Nebula Mars 3 projector mounted on the Vanguard Alto Pro2+ tripod. Adrienne Maxwell/NYT ...

Discovering dead or stuck pixels in a screen can naturally affect your enjoyment. But thankfully there is a simple fix.