BenQ FP791 User Manual - Page 50

Troubleshooting Frequently Asked Questions (FAQ) ✓ The image is blurred: BenQ LCD Color Monitor User's Guide ☞ Read the Installation/Adjustment section, 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 Installation/Adjustment section 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 Installation/Adjustment section. Select the native resolution. ✓ Pixel errors can be seen: ☞ One of several pixels are permanently black, one or more pixels are permanently white, one or more pixels are permanently red, green, blue or another color. Read the Pixel error rates section. ✓ The image has a faulty coloration: ☞ It has a yellow, blue or pink appearance. On the monitor, press key and press or key to move to the "Recall" icon and press key to enter "Recall" sub menu. Press or key to select "Color Recall" and select "Yes" in "Color Recall" sub menu, then press key to recall to factory settings. 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 Supported operating modes section. English 49