These boards have been removed from mostly new MONITORS with broken screens and should work if properly installed. SAMSUNG S49CG954EN MONITOR MAINBOARD BN94-18250C / BN41-01398A-000. Please verify that your board part number is the same as BN94-18250C / BN41-01398A-000. 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)