How to check for dead pixels when tv is delivered?

BasHanada

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Hi, I'm about to buy a tv online. I know you gotta check for external damages when they arrive but is there a way to quickly check for dead pixels when you turn it on while the delivery man is waiting?
 
Over on the AVS Forums site, you can download some test patterns. Save these to a USB stick and you can display full screen red, green, blue signals, making spotting dead pixels quite easily.

If you have a laptop with an HDMI output, you could also use this. Paint or PowerPoint will let you create some test slides very quickly.
 
as above or just go on utube, red,green,blue,black and white.
 

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