Having problems with your Acer P191WBD LCD Monitor ?

My new Acer P191W LCD Monitor has a high pitched whine that is extra loud on pages with rich and dark colors.

Answers :

The PSU "power supply unit is taken on a lot of noise from the outlet. Can you tell us if you have it streight plugged into to a 120V AC outlet or is it plugged into a strip? The Solution for both is NEW strip i recommend APC or plug it into a strip and check the outlet and make sure its properly grounded this should shore up this problem or the unit itself is going out.
Turn off the laptop. Remove battery, unplug power cord. Press and hold on button for 20 seconds. Put battery back in and plug in and turn on. Should resolve the issue. If it continues to happen you need to call for service.
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