Troubleshooting - Hitachi Accuvue HM-4721-D User Manual

No Display image, and the power indicator is not lit.
Make sure the monitor power cord connections are securely fastened.
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Make sure that the monitor main power switch is on.
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Make sure the video cord connections are securely fastened.
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No Disp/ay image, and the power indicator is lit.
Press any key on the keyboard to interrupt the power save mode.
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Press the front power switch to interrupt the power save mode.
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Check the contrast and brightness levels.
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