Sylvia Else Inscribed thus:

http://tinyurl.com/yz3eko4

How does a CRT end up with a vertical line of dead pixels?

Sylvia.

I've never seen a crt with a line of dead anything ! If its a dead
straight vertical line then its unlikely to be the crt. Possibly some
artifact of the video feed... maybe ?

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Best Regards:
Baron.