User manual LG L1753TR-SF

[. . . ] Otherwise, this may result in electric shock or fire. Do not touch the power plug with wet hands when removing or plugging the plug into the outlet. Otherwise, this may result in electric shock. Make sure to connect the power cord to a grounded power outlet. Otherwise, it may result in electric shock or personal injury. Ensure that the power plug is plugged into the power outlet firmly and correctly. Otherwise, this may result in fire. Do not forcefully bend or pull the power plug and do not place any heavy material on it. [. . . ] (Connected using the D-sub cable) Check the signal cable connection. 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) Note: If the initial screen (the login screen) does not appear, contact the Service Center or your dealer. Can you see "Not Optimum Mode", "Recommended Mode 1680 X 1050 60 Hz" on the screen? 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. There is no image on the screen. Is the power indicator on the monitor blinking at 1 second intervals?press a key on the keyboard to activate the monitor and restore the image on the screen. The screen shows strange colors or just black and white. Have you locked the On Screen Display (OSD) Menu to prevent changes?Is the screen displaying only one color as if looking at the screen through a cellophane paper?Unlock the OSD by pressing the MENU button for at least 5 seconds. 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?Check if the power cord and the video cables 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 the installed the adapter (video) driver and the monitor driver. Check if the scanning ratio of the video screen is set at 56 Hz ~ 60 Hz. (Do not exceed 60 Hz 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. If problems repeatedly occur, contact an authorized service center. Q&A Question How can I change the frequency?Answer Frequency can be changed by reconfiguring the video card. Note that video card support can vary, depending on the version of the driver used. (Refer to the computer or the video card manual for details. ) How can I adjust the resolution? [. . . ] has determined that this product meets the ENERGY STAR® guidelines for energy efficiency. All other product names mentioned herein may be the trademarks or registered trademarks of their respective owners. PRODUCT INFORMATION (Image Retention Free) LCD Monitors and TVs may have an image retention when switching from one image to another especially after displaying a stationary image for a long time. This guide is to demonstrate a correct usage of LCD products in order to protect them from Image retention. Warranty Warranty does not cover any damage caused by image retention. [. . . ]