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Why can't I turn on my monitor?

If the power LED is on or there is a beep sound:
1) Cross-check with other PCs using HDMI 2.0 or DP 1.2a cables.
2) Check if there is a Zowie logo while powering on.
3) Check if there is a blue or black ""no cable"" message, and make sure the cable is securely plugged in.
4) Check if there is a no signal message, then change the cable or PC and try again.
5) Please contact a local service center for further assistance if all you've tried all the above.

If the power LED is NOT on or there ISN'T any beep sound:
1) Make sure the power cord is plugged in.
2) Change the power cord and try again.
3) Check if there is a beep sound when a menu key is pressed.
4) Check if there is a Zowie logo while powering on.
5) Please contact a local service center for further assistance after trying all the above.
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