| VIC-20 COMPUTER: TROUBLESHOOTING CHART | ||
|---|---|---|
| SYMPTOM | CAUSE | REMEDY | 
| 
	No picture | VIC not "on" | 
	Make sure power switch | 
| 
 | VIC not plugged in | 
	Check power socket | 
| 
 | 
	Power supply not | 
	Check connection | 
| 
 | Bad fuse in VIC | 
	Take VIC to your | 
| 
	No picture | TV on wrong channel | 
	Check Channel 3 and 4 | 
| 
 | Incorrect hookup | 
	VIC hooks up to "VHF" | 
| 
 | Modulator not plugged in | 
	Check connection at | 
| 
 | Modulator on wrong channel | Flip switch on modulator | 
| 
 | Video cable not connected | 
	Check connection on | 
| 
 | Computer needs to be reset | 
	Try turning VIC off for a | 
| 
	Picture without | Poorly tuned TV | Retune TV | 
| 
	Picture with | 
	Bad color adjustment on TV | 
	Adjust color, hue (tint) and | 
| 
	Picture with excess | 
	TV volume up too high | Adjust volume of TV | 
| 
	Picture OK, but | TV volume too low | Adjust volume of TV |