LG Flatron - Recent Questions, Troubleshooting & Support - Page 3

Ya gotta be kidding! You still have a CRT monitor? CRTs have a focus adjustment around the neck of the big tube. The shop screwed it up. Spend $50 and get a nice used LED or LCD flat screen.

Below is service manual for this. Hope it helps! LG Flatron L1750S Service Manual

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The spark you saw possibly blew your monitor

Get a technician to clean them out for you, for safety reasons. it is possible - by the way - to clean flies from the LCD except the fact that you must know how to handle such components as a LCD screen disassembled.

This is more likely an issue with you video card than your monitor, do all the monitors you have tested operate at the same resolution and refresh rate? It sounds like the LG monitor is running at a higher resolution and refresh rate which is causing addition load to be placed on your video card causing it to crash