LG L246WHX-BN Owner's Manual - Page 23
Troubleshooting, No image appears, Do you see a \, Controls locked, message on the screen? - specifications
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Troubleshooting Check the following before calling for service. No image appears G Is the power cord of the • Check and see if the power cord is connected display connected? properly to the power outlet. G Is the power on and the • Adjust the brightness and the contrast. power indicator blue or green? G Is the power indicator amber? • If the display is in power saving mode, move the mouse or press any key on the keyboard to activate the screen. • Turn on the PC. G Do you see an "OUT OF RANGE" message on the screen? • This message appear when the signal from the PC (video card) is out of the diplay's horizontal or vertical frequency range. See the 'Specifications' section of this manual and configure the display again. G Do you see a "CHECK SIGNAL CABLE" message on the screen? • This message appears when the signal cable between your PC and the display is not connected. Check the signal cable and try again. Do you see a "Controls locked" message on the screen? G Do you see "Controls locked" when you push MENU button? • You can secure the current control settings, so that they cannot be inadvertently changed. You can unlock the OSD controls at any time by pushing the MENU+ button for several seconds: the message "Controls unlocked" will appear. A22