BenQ EW2770QZ User Manual - Page 40

Troubleshooting Frequently asked questions (FAQ) The image is blurred. Download Resolution file from the website (see Product support on page 3). Refer to "Adjusting the Screen Resolution". And then select the correct resolution, refresh rate and make adjustments based on these instructions. Does the blurring only occur at resolutions lower than the native (maximum) resolution? Download Resolution file from the website (see Product support on page 3). Refer to "Adjusting the Screen Resolution". 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. The image has a faulty coloration. It 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. No image can be seen. Is the prompt on the display illuminated in green? If the LED is illuminated in green and there is a message Out of Range on the screen, this means you are using a display mode that this monitor does not support, please change the setting to one of the supported mode. Please read the "Preset display modes" section from the link "Adjusting the Screen Resolution". Faint shadow from the static image displayed is visible on the screen. • Activate the power management function to let your computer and monitor go into a low power "sleep" mode when not actively in use. • Use a screensaver to prevent the occurrence of image retention. 40 Troubleshooting