User manual SAMSUNG T220

[. . . ] SyncMaster T190/T190G/T200/T200G/T220/T220G LCD Monitor User Manual Safety Instructions Notational Note These safety instructions must be followed to ensure your safety and prevent property damage. Make sure to read the instructions carefully and use the product in the correct manner. Warning / Caution Otherwise, it may result in death or personal injury. Otherwise, it may result in personal injury or property damage. Notational Conventions Prohibited Important to read and understand at all times Disconnect the plug from the outlet Ground to prevent an electric shock Do not disassemble Do not touch Power When not used for extended period of time, set your computer to DPM. [. . . ] 55 Troubleshooting 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 1440 x 900 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. {T190, T190G} 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: A: Q: A: Is the power cord connected properly?Check the power cord connection and supply. Can you see "Check Signal Cable" on the screen?(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 ` /SOURCE' button to have the monitor double-check the input signal source. Q: A: If the power is on, reboot the computer to see the initial screen (the login screen), which can be seen. 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. (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 1440 x 900 60 Hz" on the screen?56 Troubleshooting A: A: 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. Adjust the maximum resolution and frequency that the monitor can handle properly. If the display exceeds SXGA or 75 Hz, a "Not Optimum Mode", "Recommended Mode 1440 x 900 60 Hz" message is displayed. If the display exceeds 85 Hz, the display will work properly but the "Not Optimum Mode", "Recommended Mode 1440 x 900 60 Hz" message appears for one minute and then disappears. [. . . ] The frequency of this repetition per second is called the Vertical Frequency or Refresh Rate. Unit: Hz Example: If the same light repeats itself 60 times per second, this is regarded as 60 Hz. Horizontal Frequency The time to scan one line connecting the right edge to the left edge of the screen horizontally is called the Horizontal Cycle. The inverse number of the Horizontal Cycle is called Horizontal Frequency. [. . . ]