Samsung 49" Odyssey G9 32:9 240 Hz Curved HDR G-SYNC VA Gaming Monitor - Manual (Page 39)

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Troubleshooting Guide
Chapter 11
Requirements Before Contacting Samsung
Customer Service Center
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Before calling Samsung Customer Service Center, test your product as follows. If the problem persists,
contact Samsung Customer Service Center.
Product diagnosis (Screen issue)
If a problem occurs with the monitor screen, run Self Diagnosis to check that the monitor is working
properly.
Checking the Resolution and Frequency
If a resolution that is not supported (see the Standard Signal Mode Table ) is selected, the Not Optimum
Mode message may appear for a short time or the screen may not be displayed properly.
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The displayed resolution may vary, depending on the PC system settings and cables.
Check the following.
Installation issue (PC mode)
The screen keeps switching on and off.
Check the cable connection between the product and PC, and ensure the connectors are locked.
Blank spaces are found on all four sides of the screen when an HDMI or HDMI-DVI cable is connected to
the product and PC.
The blank spaces found on the screen have nothing to do with the product.
Blank spaces on the screen are caused by the PC or graphics card. To resolve the problem, adjust the
screen size in the HDMI or DVI settings for the graphics card.
If the graphics card settings menu does not have an option to adjust the screen size, update the
graphics card driver to the latest version.
(Please contact the graphics card or PC manufacturer for further details about how to adjust the screen
settings.)
Screen issue
The power LED is off. The screen will not switch on.
Check that the power cable is connected properly.
If a problem occurs with the monitor screen, run
Self Diagnosis to check that the monitor is working
properly.