These boards have been removed from mostly new MONITORS with broken screens and should work if properly installed. ASUS MB168B MONITOR BUTTON BUTTON 715G9651-K01-000-004Y. Please verify that your board part number is the same as 715G9651-K01-000-004Y. 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)