These boards have been removed from mostly new COMPUTERS with broken screens and should work if properly installed. LENOVO 510-231SH COMPUTER DVD WRITER SDX0H12661 / DU-8AESH. Please verify that your board part number is the same as SDX0H12661 / DU-8AESH. 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)