Question about LG Flatron 915FT 19" CRT Monitor

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Screen width keeps changing

Whenever I switch on my monitor it comes up with the resolution I expect - 1024 x 768. However, after a couple of minutes it sort of 'clicks' and the screen resolution changes to what I imagine is right for a widescreen display (maybe 1280 x 768). Then after a varying time - can be anything from 2 mins to 20 mins it 'clicks' again and all is ok again. Is this something I can fix or is it a sign of a hardware problem? I've tried using the OSD and played around with various settings but this doesn't help. The monitor is about 4 years old. Thanks.

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This is a hardware problem. There's a high wattage resistor inside which normally gets quite hot. Eventually this resistor desolders itself due to heat and breaks the circuit. Any repair-shop can fix this by re-soldering mentioned resistor (it is easy to distinguish it by its brownish color) using a suitable solder or by replacing this resistor by a more powerful one. Another workaround is to change a video mode to, say, 1280x960 or 1152x864 (while in these modes, monitor circuit bypasses the said resistor).

Posted on Apr 26, 2007

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Posted on Jan 02, 2017

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