ViewSonic Q7b Q7b User Guide, English - Page 13

ENGLISH FAQ (Frequently Asked Question) Question: What should I do if there is no picture? z Make sure the cable is connected to the port on your PC's display card. z Make sure the computer and screen are both turned on. z Make sure the pins on the connector head of the cable are not bent or broken. Question: What should I do if orange LED lights are on but there is no picture? z Make sure the cable is connected to the port on your PC's display card. z Check if the computer is in sleep mode or not. Question: What should I do if green LED lights are on but there is no picture? z Check if the output frequency of computer is outside the monitor's range. Refer to the material above on timing mode . z Check and adjust BRIGHTNESS, CONTRAST, BACKGROUND BRIGHTNESS using the OSD menus. Question: What should I do if RGB NO INPUT SIGNAL is displayed on the screen? zMake sure the signal cable is connected to the port on your PC's display card. zCheck that your computer is operating normally. Question: What should I do if SIGNAL OVER RANGE is displayed on the screen? zCheck your PC's display card specification, set vertical frequency to 55 ~ 75 Hz, and make sure resolution is less than 1280 x 1024. Refer to the material above on timing mode for further information. Question: What should I do if the screen image is not clear? zConfirm that the computer signal output is normal, and then check the AUTO ADJUST and Recall items in the OSD menu. zCheck the PHASE & Clock items. zSet the screen image to 1280 x 1024 @ 75Hz. Question: What should I do if the screen image size is incorrect? zCheck the Recall & AUTO ADJUST items of the OSD menu. zAdjust horizontal and vertical position using the OSD menu. zMake sure that your display card is compatible with the LCD specifications. (Please refer to relevant diagrams or manual and updated information as well). ViewSonic Q7 11