These boards have been removed from mostly new MONITORS with broken screens and should work if properly installed. ACER KA272 MONITOR POWER SUPPLY BOARD 81-PWE027-Y1235U. Please verify that your board part number is the same as 81-PWE027-Y1235U. 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)