Benq XL2720T Manuel D’Utilisation

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56 Troubleshooting 
 
Troubleshooting
Frequently asked questions (FAQ)
The image has a faulty coloration.
• The default 
Picture Mode
 is 
FPS1
, which is designed for FPS games. If you prefer other 
picture modes, go to 
Picture Advanced
 and change setting in 
Picture Mode
.
• If the image has a yellow, blue or pink appearance, go to 
Picture
 and 
Reset Color
, and then 
choose 
YES
 to reset the color settings to the factory defaults. 
If the image is still not correct and the OSD also has faulty coloration, this means one of the 
three primary colors is missing in the signal input. Now check the signal cable connectors. If 
any pin is bent or broken off, please contact your dealer to get necessary support.
The image is blurred.
Read the instructions on the link 
"Adjusting the Screen Resolution"
 on the CD, and then 
select the correct resolution, refresh rate and make adjustments based on these instructions.
How do you use a VGA extension cable?
Remove the extension cable for the test. Is the image now in focus? If not, optimize the image 
by working through the instructions in the 
"Adjusting the refresh rate"
 section on the link 
"Adjusting the Screen Resolution"
. It is normal for blurring to occur due to conduction 
losses in extension cables. You can minimize these losses by using an extension cable with 
better conduction quality or with a built-in booster.
Does the blurring only occur at resolutions lower than the native (maximum) resolution?
Read the instructions on the link 
"Adjusting the Screen Resolution"
 on the CD.
 
Select the 
native resolution.
Pixel errors can be seen.
One of several pixels is permanently black, one or more pixels are permanently white, one or 
more pixels are permanently red, green, blue or another color.
• Clean the LCD screen.
• Cycle power on-off.
• These are pixels that are permanently on or off and is a natural defect that occurs in LCD 
technology.