These boards have been removed from mostly new MONITORS with broken screens and should work if properly installed. AOC 195LM0001 MONITOR POWER SUPPLY BOARD 715G4452-P03--003-001M. Please verify that your board part number is the same as 715G4452-P03--003-001M. 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)