Before contacting your dealer or service personnel, check the following list to be sure repairs are needed also by referring to the “Troubleshooting” section in your user’s manual. This checklist below will help us solve your problem more efficiently.
* Print the following pages.
Frequency of occurrence always | sometimes (How often?_______________________) | other (__________________) |
Power
No power (POWER indicator does not light blue).
Power cable’s plug is fully inserted into the wall outlet. 
No power even though you press and hold the POWER button for a minimum of 1 second.
Shut down during operation.
Power cable’s plug is fully inserted into the wall outlet. 
Power Management is turned off (only models with the Power Management function).
Video and Audio
No image is displayed from your PC or video equipment to the projector.
Still no image even though you connect the projector to the PC first, then start the PC.
Enabling your notebook PC’s signal output to the projector.
•A combination of function keys will enable/disable the external display. Usually, the combination of the “Fn” key along with one of the 12 function keys turns the external display on or off.
No image (blue background).
Still no image even though you press the AUTO ADJ. but- ton.
Still no image even though you carry out [RESET] in the projector’s menu.
Signal cable’s plug is fully inserted into the input connector
A message appears on the screen.
( _____________________________________________ ) 
The source connected to the projector is active and avail-
able.
Still no image even though you adjust the brightness and/or the contrast.
Input source’s resolution and frequency are supported by the projector.
Image is too dark.
Remains unchanged even though you adjust the brightness and/or the contrast.
Image is distorted.
Image appears to be trapezoidal (unchanged even though you carry out the [KEYSTONE] adjustment).
Other
Parts of the image are lost.
Still unchanged even though you press the AUTO ADJ. button.
Still unchanged even though you carry out [RESET] in the projector’s menu.
Image is shifted in the vertical or horizontal direction.
Horizontal and vertical positions are correctly adjusted on a computer signal.
Input source’s resolution and frequency are supported by the projector.
Some pixels are lost.
Image is flickering.
Still unchanged even though you press the AUTO ADJ. button.
Still unchanged even though you carry out [RESET] in the projector’s menu.
Image shows flickering or color drift on a computer signal.
Image appears blurry or out of focus.
Still unchanged even though you checked the signal’s resolution on PC and changed it to projector’s native resolution.
Still unchanged even though you adjusted the focus.
No sound.
Audio cable is correctly connected to the audio input of the projector.
Still unchanged even though you adjusted the volume level.
Remote control does not work.
No obstacles between the sensor of the projector and the remote control.
Projector is placed near a fluorescent light that can disturb the infrared remote controls.
Batteries are new and are not reversed in installation
Buttons on the projector cabinet do not work.
[CONTROL PANEL LOCK] is not turned on in the menu. 
Still unchanged even though you press and hold the SOURCE button on the cabinet for minimum of 10 seconds.