User manual LG GR-232GVAJGQABL

[. . . ] This may cause an electric shock or fire. Use only a properly grounded plug and receptacle. An improper ground may cause electric shock or equipment damage. Do not excessively bend the plug and wire nor place heavy objects upon them, which could cause damage. This may cause an electric shock or fire. Do not connect too many extension cords or plugs to an outlet. This may cause a fire. Put your monitor in a location with low humidity and a minimum of dust. [. . . ] - Available in PC Mode Only 1) Image Reset 2) Color Reset Check the following items yourself before calling for service. Contact the service center for problems that you cannot solve by yourself. Check before calling for service Problems and Solutions Q&A Self-Test Feature Check | Video mode not supported | Not Optimum Mode | Display Adapter Driver | Maintenance and Cleaning | Symptoms & Recommended Actions 1. Self-Test Feature Check Your monitor provides a self test feature that allows you to check whether your monitor is functioning properly. Turn off both your computer and the monitor. Unplug the video cable from the back of the computer. The figure shown below ("Check Signal Cable") appears on a black background when the monitor is in its normal working condition though it does not sense any video signal: While in the Self-Test mode, the LED power indicator remains green and the figure moves around on the screen. Failure of any of the boxes to appear indicates a problem with your monitor. This box also appears during normal operation if the video cable becomes disconnected or damaged. 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. 2. Not supported Mode This indicates the display resolution or refresh rate is not properly set on your computer video card. Therefore, if there is trouble with the PC or the video card, this can cause the monitor to become blank, have poor coloring, noise, Video mode not supported, etc. In this case, first check the source of the problem, and then contact a service center or your dealer. Check if the power cord and the cable are properly connected to the computer. Check if the computer beeps more than 3 times when booting. (If it does, request an after-service for the main board of the computer. ) 3. If you installed a new video card or if you assembled the PC, check if you installed the adapter (video) driver and the monitor driver. Check if the scanning ratio of the video screen is set at 75Hz or 85Hz. (Do not exceed 60Hz when using the maximum resolution. ) 5. If you have problems in installing the adapter (video) driver, boot the computer in Safe Mode, remove the Display Adapter at the "Control Panel, System, Device Administrator" and then reboot the computer to reinstall the adapter (video) driver. The following table lists possible problems and their solutions. Before calling for service, 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 warranty card, the phone number on the Information section or contact your dealer. [. . . ] Change the mode to energy save or set a screensaver to moving picture when you need to be away from the monitor for an extended period of time. Do not display a still image( such as on a video game or when hooking up a DVD to this LCD_TV ) on the Color TFT-LCD ( Thin Film Transister Liquid Crystal Display) panel for a long time as it can cause screen image retention. This image retention is also known as " screen burn". To avoid such image retention, reduce the degree of brightness and contrast of this screen when displaying a still image. Service Terms Regulatory Natural Color For Better Display Authority SyncMaster 710MP For Better Display 1. [. . . ]