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Troubleshooting
16
Problem
Can not boot
Unlock
Noise at Coaxial or
Optical input
Unknown USB device
No sound at USB input
Pop sound at USB input
Intermittent sound at
USB input
PC too busy that D30
was hung up
Software problem
Probably is…
No power input
Unknown signal format
Signal cable loose
No signal input
Wrong format of input
signal or signal out of
support range
USB cable loose
PC's USB port damage
OS problem
Driver problem
Too low volume at PC
solution
Check power input
Change to correct
format
Check signal cable
Check the player
Check input signal
Check USB cable
Change another USB port
Reinstall OS
Reinstall driver
Adjust volume of PC
Wait for it
Update motherboard
driver and OS
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