Samsung QM43B User Manual page 100

Source device issue
A beeping sound is heard when my PC is booting.
Touch function issues
Touching does not work when PC connection is used.
Touches break, reaction speed gets slow, and so on.
Other issue
The product smells like plastic.
The monitor appears tilted.
Audio or video cuts out intermittently.
Small particles are found on the edges of the product.
When I try to change the PC resolution, a message
defined resolution is not currently supported." appears.
There is no sound from the speakers in HDMI mode when a
DVI-HDMI cable is connected.
HDMI Black Level is not functioning properly on an external
device with HDMI YCbCr output.
If a beeping sound is heard when your PC is booting, have your PC serviced.
Check whether the TOUCH OUT port on the product is connected to a USB port on the PC using
a USB cable.
Make sure that there are no foreign substances on the screen surface.
Check whether the screen is broken.
Make sure that the product is not exposed to direct sunlight.
The plastic smell is normal and disappears over time.
Remove and then attach the stand again to the product.
Check the cable connection and connect it again if required.
Use a standard cable.
The particles are part of the product design. The product is not defective.
The message "The defined resolution is not currently
"The
resolution exceeds the maximum resolution of the display.
To resolve the issue, change the PC resolution to a resolution supported on the display.
DVI cables do not transmit sound data.
Make sure to connect the audio cable to the correct input port to enable audio.
This function is available only when a source device with RGB signal, such as a DVD player and
STB, is connected to the product to HDMI cable.
supported." appears if the input source
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