Troubleshooting - BenQ BL Series User Manual

Troubleshooting

Frequently asked questions (FAQ)
The image is blurred.
Read the instructions on the link
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 Screen Resolution"
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
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.
The image has a faulty coloration.
It has a yellow, blue or pink appearance.
Go to
Picture
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.
56 Troubleshooting
"Adjusting the Screen Resolution"
"Adjusting the Screen Resolution"
and , and then choose
Reset Color
"Adjusting the refresh rate"
. It is normal for blurring to occur due to conduction
to reset the color settings to the
YES
on the CD, and then
section on the link
on the CD. Select the