Samsung 920LM User Manual (user Manual) (ver.1.0) (English) - Page 35

There is no image on the screen. Is the power indicator on the monitor blinking at 1 second intervals? "Not Optimum Mode", "Recommended Mode 1440 X 900 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.) The monitor is in PowerSaver mode. Press a key on the keyboard to activate the monitor and restore the image on the screen. I cannot see the On Screen Display. The screen shows strange colors or just black and white. The screen suddenly has become unbalanced. The screen is out of focus or OSD cannot be adjusted. LED is blinking but no images on the screen. 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. Have you locked the On Screen Display (OSD) Menu to prevent changes? Unlock the OSD by pressing the [MENU / ] button for at least 5 seconds. Is the screen displaying only one color as if looking at the screen through a cellophane paper? Check the signal cable connection.Make sure the video card is fully inserted in it's slot. Have the screen colors become strange after running a program or due to a crash between applications? Reboot the computer. Has the video card been set properly? Set the video card by referring to the video card manual. Have you changed the video card or Adjust screen image position and the driver? size using the OSD. Have you adjusted the resolution or frequency to the monitor? Adjust the resolution and frequency at the video card. (Refer to the Preset Timing Modes). The screen can be unbalanced due to the cycle of the video card signals. Readjust Position by referring to the OSD. Have you adjusted the resolution or frequency on the monitor? Adjust the resolution and frequency of the video card. (Refer to the Preset Timing Modes). Is the frequency properly adjusted when checking the Display Timing on the menu? Adjust the frequency properly by referring to the video card manual and the Preset Timing Modes. There are only 16 colors shown on the screen. The screen colors have changed after changing the video card. Have the Windows colors been set properly? Has the video card been set properly? (The maximum frequency per resolution may differ from product to product.) Windows ME/2000/XP: Set the colors properly at the Control Panel → Display → Settings. Set the video card by referring to the video card manual. There is a message that reads Have you installed the monitor driver? Install the monitor driver according to the Driver Installation