I also got problem with my samsung, same spec as your. It's 17" 753DFX. My monitor always on during the whole night. During days from Mon - Fri I am out, going to work.

FYI, I used it since 2004. After three years, it's quality is in doubt lah

My monitor sometimes go awry, such as sudden changing brightness, and sometimes go blank, sometimes windows screen disappear and showing only several colorful lines on the screen. I have to turn off the monitor for a while, then turn it on again. It remedies the annoyance I described earlier

My trust to Samsung brand grew thin and thinner as days passed. I think it's time to look after another reliable brand. How about LG and ViewSonic LCD brand? Are they very good?

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Added on June 17, 2007, 11:40 amA forumer on another site claim that placing and turn on speakers close to CRT monitor will degrade the CRT monitor quality. Is it true?

This post has been edited by coolblade: Jun 17 2007, 11:40 AM

Where do you live? Are you still repair CRT monitors till nowadays?