LG 34WL850-W Owners Manual - Page 24
Troubleshooting
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ENGLISH TROUBLESHOOTING Nothing is displayed on the screen. Is the monitor's power cord plugged in? Is the power LED on? Is the power on and the power LED displaying white? •• Check if the power cord is correctly plugged into the power outlet. •• Check the power cable connection and press the power button. •• Check that the connected input is enabled (Settings > Input). Is the power LED blinking? Is the OUT OF RANGE message being displayed? Is the No Signal message being displayed? •• If the monitor is in sleep mode, move the mouse, or press any key on the keyboard, to switch the display on. •• Check if the computer is turned on. •• This occurs when signals transferred from the PC (graphics card) are out of the horizontal or vertical frequency range of the monitor. Please see the Product Specification section of this manual to set the appropriate frequency. •• This is displayed when the signal cable between the PC and the monitor is missing or disconnected. Check the cable and reconnect it. The screen may not be displayed properly when configuring DisplayPort 1.2 in a Mac product. •• DisplayPort 1.2 may not be supported depending upon the Mac product. Please contact the manufacturer. The OSD Lock message is being displayed. Are some functions not available when you press the Menu button? •• The OSD is locked. Go to Settings > General and set OSD Lock to Off. 24