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46 Troubleshooting Self-Test Feature Check Note Your monitor provides a self test feature that allows you to check whether your monitor is functioning properly. Self-Test Feature Check 1. Turn off both your computer and the monitor. 2. Unplug the video cable from the back of the computer. 3. Turn on the monitor. If the monitor is functioning properly, you will see a box in the illustration below. Note For models with an Analog interface only, “Analog/Digital” is not shown in the Warning Message OSD. This box appears during normal operation if the video cable becomes disconnected or damaged. 4. Turn off your monitor and reconnect the video cable; then turn on both your computer and the monitor. If your monitor screen remains blank after using the previous procedure, check your video controller and computer system; your monitor is functioning properly. Warning Messages If there is something wrong with the input signal, a message appears on the screen or the screen goes blank although the power indicator LED is still on. The message may indicate that the monitor is out of scan range or that you need to check the signal cable. Note For models with an Analog interface only, “Analog/Digital” is not shown in the Warning Message OSD. 47 Troubleshooting Environment The location and the position of the monitor may influence the quality and other features of the monitor. If there are any sub woofer speakers near the monitor, unplug and relocate the woofer to another room. Remove all electronic devices such as radios, fans, clocks and telephones that are within 3 feet (one meter) of the monitor. Useful Tips A monitor recreates visual signals received from the computer. Therefore, if there is a problem with the computer or the video card, this can cause the monitor to become blank, have poor coloring, become noisy, and video mode not supported, etc. In this case, first check the source of the problem, and then contact the Service Center or your dealer. Judging the monitor's working condition If there is no image on the screen or a "Not Optimum Mode", "Recommended Mode **** x **** 60 Hz" message comes up, disconnect the cable from the computer while the monitor is still powered on. If there is a message coming up on the screen or if the screen goes white, this means the monitor is in working condition. In this case, check the computer for trouble. Check List Note Before calling for assistance, check the information in this section to see if you can remedy any problems yourself. If you do need assistance, please call the phone number on the Information section or contact your dealer. No images on the screen. I cannot turn on the monitor. Q: Is the power cord connected properly? A: Check the power cord connection and supply. Q: Can you see "Check Signal Cable" on the screen? A: (Connected using the D-sub cable) Check the signal cable connection. (Connected using the DVI cable) If you still see an error message on the screen when the monitor is connected properly, check to see if the monitor status is set to analog. If you still see an (error) message on the screen when the monitor is connected properly, check to see if the monitor status is set to analog. Press ‘ / ’ button to have the monitor double- check the input signal source. Q: If the power is on, reboot the computer to see the initial screen (the login screen), which can be seen. A: If the initial screen (the login screen) appears, boot the computer in the applicable mode (the safe mode for Windows ME/XP/2000) and then change the frequency of the video card. 48 Troubleshooting (Refer to the Preset Timing Modes) If the initial screen (the login screen) does not appear, contact the Service Center or your dealer. Q: Can you see "Not Optimum Mode", "Recommended Mode **** x **** 60 Hz" on the screen? A: You can see this message when the signal from the video card exceeds the maximum resolution and frequency that the monitor can handle properly. A: Adjust the maximum resolution and frequency that the monitor can handle properly. A: If the display exceeds SXGA or 75 Hz, a "Not Optimum Mode", "Recommended Mode **** x **** 60 Hz" message is displayed. If the display exceeds 85 Hz, the display will work properly but the "Not Optimum Mode", "Recommended Mode **** x **** 60 Hz" message appears for one minute and then disappears. Please change to the recommended mode during this one-minute period. (The message is displayed again if the system is rebooted.) Q: There is no image on the screen. Is the power indicator on the monitor blinking at 1 second intervals? A: The monitor is in PowerSaver mode. A: Press a key on the keyboard to activate the monitor and restore the image on the screen. A: If there is still no image, press the ' / ' button. Then press any key on the keyboard again to activate the monitor and restore the image on the screen. Q: Connected using the DVI cable? A: You may get a blank screen if you boot the system before you connect the DVI cable, or disconnect and...
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