10 RetuneTV Poorly tuned TV Adjust volume of TV TV volume too low Picture OK, but no sound Adjust color setting on TV or computer Color set too low Check connections TV not connected properly RetuneTV Poorly tuned TV Picture without color power in place Reinsert cartridge after turning OFF properly inserted Cartridge not Random pattern on TV with cartridge same channel as TV Set computer for Computer set for wrong channel Check TV cable connection RF cable not plugged in to VHF antenna terminals Computer hooks up for picture (3 or 4) Incorrect hookup channel Check other channel replacement of fuse TV on wrong No picture authorized dealer for Take system to Bad fuse in computer Check connection with wall outlet Power supply not plugged in necled power cable for loose or discon- plugged in Check power socket position Power cable not Make sure power switch is in ON Computer not turned ON Indicator light not 'ON1 Remedy Cause Symptom TROUBLESHOOTING CHART SETTING UP YOUR COMPUTER