Projector Troubleshooting

Blue/blank screen being displayed

• The correct source is selected on the projector
• The switcher has the correct source selected
• The PC or device needing to be displayed is on
• The cable connections from each source are properly connected
• The pins on the VGA or DVI cables are not damaged or bent
• The splitter or switcher is plugged in and powered on

Projector will not power on

• Make sure it is plugged in properly
• Make sure the main power switch is turned on

Projector’s LED indicators are blinking

• The error code can generally be determined by viewing the projector’s manual in the troubleshooting section
• This most commonly indicates:
  • The lamp has died
  • The projector has overheated
  • There is an issue with the power supply
  • There is an issue with the system board
  • The fans are malfunctioning

Other Common Issues 

• Use of Smart Tech’s “Sympodium” monitor can cause display issues such as blurry/jumpy display and no display if it is powered off
• Ugly looking colored hue, jumpy display, and lines can often be the result of a bad connection or bent/damaged pins on the cables