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100
Troubleshooting Guide
9
9 Troubleshooting Guide
Sound issue
Source device issue
The LED lights on the frame of the product may be seen depending on the user's viewing angle. The
light is harmless to people and has no bearing on product features and performance. The product is
safe to use.
There is no image on the screen and the power
LED blinks every 0.5 to 1 second.
The product is operating in power-saving mode.
Press any key on the keyboard or move the
mouse to return to normal operating mode.
Issues Solutions
There is no sound. Check the connection of the audio cable or adjust
the volume.
Check the volume.
The volume is too low. Adjust the volume.
If the volume is still low after turning it up to the
maximum level, adjust the volume on your PC
sound card or software program.
Issues Solutions
A beeping sound is heard when my PC is booting. If a beeping sound is heard when your PC is
booting, have your PC serviced.
Issues Solutions
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