These boards have been removed from mostly new MONITORS with broken screens and should work if properly installed. ACER G276HL MONITOR BUTTON BOARD 5E3MH0M01 / 4H.1PU03.A10. Please verify that your board part number is the same as 5E3MH0M01 / 4H.1PU03.A10. The part number is the first number left of the /, or the sole number listed. Most often written in title as (part number / board number)