Can dead/stuck pixels be in a group?

About a week ago or so, I noticed a small cluster of what seemed to be dead/stuck pixels on the bottom right corner of my PC monitor. I thought it was a stain at first but it wouldn't come off. Though it seems that some fixes I've tried have partially worked. It is not as bad as it was. But can stuck or dead pixels be in a cluster like this? Could it be dust inside the monitor? I have attached photo for reference.

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  • 2 months ago

     For example, the blue subpixel might get stuck so the entire pixel will display a different color than what is intended. A dead pixel occurs when an entire pixel or a group of subpixels remain dark even when they're supposed to be on. ... In most cases, dead pixels are lost forever.

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