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due to overwhelming demand, here is the DOS batch file which will turn your 750c display into solid colors so you can search for bad pixels. --andy @echo This program will change the color of the display so you can @echo check for bad pixels. You must have ANSI.SYS installed in your @echo CONFIG.SYS in order for this to work. Press any key to advance @echo to the next color. @pause @ps2 vexp on prompt $e[41;31m cls @pause > nul prompt $e[42;32m cls @pause > nul prompt $e[43;33m cls @pause > nul prompt $e[44;34m cls @pause > nul prompt $e[45;35m cls @pause > nul prompt $e[46;36m cls @pause > nul prompt $e[47;37m cls @pause > nul @ps2 vexp off prompt $e[40;37m$p$g cls