User manual SAMSUNG SYNCMASTER 78BDF

[. . . ] SAMTRON 78E/78DF/78BDF/98PDF Failure to follow directions noted by this symbol could result in bodily harm or damage to equipment. Prohibited Important to read and understand at all times Do not disassemble Disconnect the plug from the outlet Do not touch Grounding to prevent an electric shock When not used for extended periods of time, set your PC to DPMS. If using a screen saver, set it to the active screen mode. If the size of your monitor is small, or if the same image is present for long periods of time, you may see afterimages due to damage to the fluorescent substance on the inside of the CDT. Do not use a damaged or loose plug. This may cause an electric shock or fire. Do not pull the plug out by the wire nor touch the plug with wet hands. [. . . ] Is the voltage stable? Solutions The signal from the video card exceeds the maximum resolution and frequency of the monitor. Move the monitor away from anything that can create a strong magnetic field. The screen image can appear to shake or vibrate at a particular time of day due to low supply voltage. The screen image can also appear to shake or vibrate if there is a problem with the video card or the computer's main board. The screen shows strange colors or just black and white. Is the screen displaying only one color as if looking at the screen through a cellophane paper?Have the screen colors become strange after running a program or due to a crash between applications?The screen suddenly has become unbalanced. Have you changed the video card or the driver?Have you adjusted the resolution or frequency to the monitor?Make sure the video card is fully inserted in it's slot. Reboot the computer. Set the video card by referring to the video card manual. Adjust screen image position and size using the OSD. Adjust the resolution and frequency at the video card. (Refer to the Preset Display Modes). The screen can be unbalanced due to the cycle of the video card signals. Readjust Position by referring to the OSD. Symptom The screen is out of focus or OSD cannot be adjusted. The screen is partially distorted. Check List Have you adjusted the resolution or frequency on the monitor?Are there any magnetic products such as an adapter, speaker or a high voltage wire near the monitor?Is the frequency properly adjusted when checking the Display Timing on the menu? Solutions Adjust the resolution and frequency of the video card. Enter the OSD and perform a "Degauss". Keep the monitor away from any magnetic products. Adjust the frequency properly by referring to the video card manual and the Preset Display Modes. (The maximum frequency per resolution may differ from product to product. ) LED is blinking but no images on the screen. 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? For Windows XP/2000: Set the colors properly at the Control Panel, Display, Settings. [. . . ] increased risks of skin cancer (malignant melanoma) as a consequence. Lead** Lead can be found in picture tubes, display screens, solders and capacitors. Lead damages the nervous system and in higher doses, causes lead poisoning. The relevant TCO'99 requirement permits the inclusion of lead since no replacement has yet been developed. * Bio-accumulative is defined as substances which accumulate within living organisms. [. . . ]