If your system is still under warranty, use it to get a nice free screen. Depending on your brand and model,
www.impactcomputers.com may have a screen for your computer. An ethernet cable does not carry power and cannot harm the display. You could always tell the story to your friends then offer them your "haunted ethernet cable of death"
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Repair Windows XP Guide ---
Resolutions
Crazy Computer that I'm saving up for::Antec P180 Case;PC Pwr&Cooling 1kW Quad SLI PSU;Asus P5N32-SLI SE Deluxe;Intel Core2 XE X6800;Corsair TWIN2XP2048 2GB PC2-6400 DDR2 RAM;2xAsus GeForce 7950 GX2;BFG PhysX Accel.;IBM DVD-RAM/Plextor DVD±RW;Seagate 750GB HD 7200RPM;WDX 150GB 10000RPM;Vigor Monsoon TEC Cooler