Troubleshooting
If there are any problems during operation, please refer to the following table. If problems cannot be
solved as indicated under Solution, please contact your manufacturer.
Problem
Product does not
work
Dim image
No Sound
Wrong or abnormal
colors
IM_PMO-S271-IQC_210804_V03_HR.indb 15
IM_PMO-S271-IQC_210804_V03_HR.indb 15
Possible causes
• No signal
• Interrupted power supply
• Brightness and contrast too low
• Headphone/ Speaker not
connected
• Computer audio setting wrong
• Loose or broken pins in the cable
connector
Solution
• Check the power indicator at the back,
if the light is on, check the signal input; if
the light is off, check the power supply
• Adjust the brightness and contrast
• Check the connection of head phone/
speaker
• Check the audio setting of computer
• Check the HDMI or DP cable to make
sure it is in good condition and securely
connected
ENGLISH
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5/8/2021 09:56
5/8/2021 09:56