Before you entering Acer LCD (Liquid Crystal Display) monitor factory mode to change any value on the factory service mode, please write down all the original factory settings. tvservicemenu are not responsibility for any damage, data error and unwanted effect after using our service code and information on these page.
Use your television remote control or universal remote to enter factory mode.
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Press and hold the "AUTO" & "MENU" button
Press the "POWER" to turn on the Acer LCD monitor.
Press the "MENU" button and you will see the OSD displayed on the screen, you will see an additional option and you may select it, you will enter the service mode.