“How do I control the brightness of this monitor when 2 are connected as an external mac display? Does holding 'control' adjust both displays or is there a way to control brightness of each external display separately?”

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• Please contact LG Customer Support by direct message via Twitter (@LGUSSupport) or Facebook Messenger (https://www.facebook.com/LGUSA/). Please be sure to provide your name, phone number, address, email, model/serial numbers, and date of purchase and we will be happy to assist you. We apologize for any inconvenience this has caused. ^Daphane

  Answered by LG Digital Customer Care 5 years ago

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