Manual for M5500CBA

Manual for M5500CBA

Brand: Generic

Category: Computer Drive

Document Type: Manual

Language: EN

Uploaded: Nov. 21, 2025, 7:28 p.m.

Installation and Connection

  • Safety Precautions
  • Accessories
  • Using the Remote Control
  • Name and Function of the Parts
  • Connecting to External Devices

Input Selection and Tracking

  • Selecting and Adjusting the Screen

Miscellaneous

  • Troubleshooting
  • Specifications

Troubleshooting and error codes

No image is displayed
Is the product power cord connected? See if the power cord is properly connected to the outlet.
Is the power indicator light on? See if the power switch is turned on.
Power is on, power indicator is green but the screen appears extremely dark. Adjust brightness and contrast again.
Is the power indicator amber? If the product is in power saving mode, move the mouse or press any key.
Does the 'Out of range' message appear? The signal from the PC (video card) is out of the vertical or horizontal frequency range of the product. Adjust the frequency range by referring to the Specifications in this manual.
* Maximum resolution
RGB1/RGB2: 1920 X 1080 @60Hz
DVI: 1920 X 1080 @60Hz
Does the 'Check signal cable' message appear? The signal cable between PC and product is not connected. Check the signal cable.
Press the 'SOURCE' menu in the remote Control to check the input signal.
'Unknown Product' message appears when the product is connected. Did you install the driver?
Install the product driver, which is provided with the product, or download it from the web site. (http://www.lge.com)
See if the plug&play function is supported by referring to the video card user manual.
'Controls locked' message appears. The 'Controls locked' message appears when pressing the Menu button.
The control locking function prevents unintentional OSD setting change due to careless usage. To unlock the controls, simultaneously press the Menu button and $\blacktriangleleft$ button for several seconds. (You cannot set this function using the remote control buttons. You can set this function in the product only.)
The screen image looks abnormal.
Is the screen position wrong? D-Sub analog signal - Press the "AUTO" button in the remote control to automatically select the optimal screen status that fits into the current mode. If adjustment is not satisfactory, use the Position OSD menu.
See if the video card resolution and frequency are supported by the product. If the frequency is out of range, set to the recommended resolution in the Control Panel - Display - Setting menu.
Do thin lines appear on the background screen? D-Sub analog signal - Press the "AUTO" button in the remote control to automatically select an optimal screen status that fits into the current mode. If adjustment is not satisfactory, use the Clock OSD menu.
Horizontal noise appears or the characters look blurred. D-Sub analog signal - Press the "AUTO" button in the remote control to automatically select an optimal screen status that fits into the current mode. If adjustment is not satisfactory, use the Phase OSD menu.
Screen size is automatically adjusted when connected to the PC. If the screen size is not full when connected to the PC, execute the PIP/POP/PBP to change to full screen mode.
Brightness differs in the main and sub screen when connected to the PC. You cannot adjust brightness and tint in the PIP/POP/PBP Screen menu for the sub-screen among PIP/POP/PBP menus. Therefore, brightness can be different for the sub-screen.
The screen is displayed abnormally. The proper input signal is not connected to the signal port. Connect the signal cable that matches with the source input signal.
After-image appears when the product is turned off. If you use a fixed image for a long time, the pixels may be damaged quickly. Use the screensaver function.
The audio function does not work.
No sound? See if the audio cable is connected properly.
Adjust the volume.
See if the sound is set properly.
No sound is available when the PIP/POP/PBP mode is engaged. See if the Sound is set to On in the PIP/POP/PBP menu.
Sound is too dull. Select the appropriate equalize sound.
Sound is too low. Adjust the volume.
The screen size function in the OSD menu does not work.
The screen size function in the OSD menu does not work. See if the PIP/POP/PBP function is in use. If the PIP/POP/PBP function is in use, the screen size function may not work.
Screen color is abnormal.
Screen has poor color resolution (16 colors). Set the number of colors to more than 24 bits (true color)
Select Control Panel - Display - Settings - Color Table menu in Windows.
Screen color is unstable or mono-colored. Check the connection status of the signal cable.
Or, re-insert the PC video card.
Do black spots appear on the screen? Several pixels (red, green, white or black color) may appear on the screen, which can be attributable to the unique characteristics of the LCD panel. It is not a malfunction of the LCD.
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