Apple B&W CRT monitor popping and clicking

Ian Frost silvercreekvalley at
Tue Apr 3 15:07:39 CDT 2018

Hi all,

Recently booted up my B&W Powermac G3, all came up fine including the 17” CRT monitor. However after a second or so, the 
monitor gives a ‘popping’ sound and the image on the screen expands then shrinks. This repeats every few seconds.

I’m guessing the monitor is on the way out - but as this is a complete B&W system - I wondered what the likely cause is?


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