My JVC Q27WCF monitor won't turn on, I've plugged in the power cable

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Accepted Answer

Plugging in the power cable alone is not enough - you must first press the Power button on the monitor to turn it on.

Essential Checkpoints

1. Power Supply

Check that the wall outlet is working (test with another device)
Ensure that the power cable is securely connected at both ends
Look at the monitor's power LED - it should be on (usually green) or red (standby mode)

2. Video Connection

If the LED is on but no image appears, the issue is with the video signal. The Q27WCF has three video connectors: HDMI, DisplayPort, and VGA. Check that:

A video cable is properly connected to both the monitor AND your computer
Both ends of the cable are firmly plugged in
Your computer is on and sending a video signal

3. Standby Mode

If the monitor's LED is red, it is in standby mode. Try moving the mouse or pressing a key on the keyboard to wake it up.

If after these checks the LED remains off and you have no image, consult a technician.

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