LG 88BH7F-B Owners Manual - Page 19

Troubleshooting

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19 TROUBLESHOOTING ENGLISH_Index No image is displayed. Problem Is the product power cord connected? Does the "Invalid Format" message appear? Action •• Check if the power cord is correctly plugged into the power outlet. •• The signal from the PC (graphics 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. Does the "No Signal" message appear? •• The signal cable between PC and product is not connected. Check the signal cable. •• Access the input menu to check the input signal. The Unknown Product message appears when the product is connected. Problem Did you install the driver? Action •• Check if the function is supported by referring to the graphics card user manual. The screen image looks abnormal. Problem Is the screen position wrong? The screen is displayed abnormally. The PC BIOS configuration screen is not displayed correctly. Action •• Check if the graphics 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. •• The proper input signal is not connected to the signal port. Connect the signal cable that matches with the source input signal. •• On some PCs, the BIOS configuration screen may not display correctly because the 58:9 aspect ratio is not supported before the graphics card driver is configured. This is not a problem of the product; it is due to the design of the graphics card's BIOS configuration screen aspect ratio. To access the PC BIOS configuration screen, please connect a standard aspect ratio (4:3 or 16:9) monitor, then perform the BIOS configuration.

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19
ENGLISH
TROUBLESHOOTING
No image is displayed.
Problem
Action
Is the product power cord connected?
•
Check if the power cord is correctly plugged into the power outlet.
Does the “Invalid Format” message
appear?
•
The signal from the PC (graphics 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.
Does the “No Signal” message appear?
•
The signal cable between PC and product is not connected. Check the
signal cable.
•
Access the input menu to check the input signal.
The Unknown Product message appears when the product is connected.
Problem
Action
Did you install the driver?
•
Check if the
function is supported by referring to the
graphics card user manual.
The screen image looks abnormal.
Problem
Action
Is the screen position wrong?
•
Check if the graphics 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.
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.
The PC BIOS configuration screen is not
displayed correctly.
•
On some PCs, the BIOS configuration screen may not display correctly
because the 58:9 aspect ratio is not supported before the graphics
card driver is configured. This is not a problem of the product; it is due
to the design of the graphics card’s BIOS configuration screen aspect
ratio. To access the PC BIOS configuration screen, please connect a
standard aspect ratio (4:3 or 16:9) monitor, then perform the BIOS
configuration.