These boards have been removed from mostly new MONITORS with broken screens and should work if properly installed. AOC CU34G2X MONITOR LED STRIP D030601-2-R SDC34 / D030601-2-L SDC34. Please verify that your board part number is the same as D030601-2-R SDC34 / D030601-2-L SDC34. 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)