Check The Usb Device Is Bad Or Not - LG 26TS30MF Installation Manual

6-19. Check the USB device is bad or not

 USB device defect can cause an abnormal screen such as "Image broken" or "No signal"
 If you experience symptoms as the below image, please check the USB device is bad or not
For example, you can check by replacement with other USB
Example of 42WS50BS
[ Image broken] [ No signal]
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