Screen back cover 604SJ10001 - 683596-001 for HP Probook 4540s
HP 4540s i5-3210M 16-Inch Notebook (500 GB, 4 GB SO-DIMM DDR3 Windows 7, Intel HD Graphics 4000)
original NEW free shipping Laptop Speaker for HP ProBook 4540S 4540S 4541S 4545S 4546S 683505 001 Internal Speaker|internal speaker|speaker forspeaker for laptop - AliExpress