Notebook X Series X441SA Notebook X Series X441SC Notebook X Series X441UA Notebook X Series X441UV Notebook X Series X541UA Notebook X Series X541UV Notebook X Series X550VX Notebook X Series X555BA Notebook X Series X555BP Notebook X Series X555DA Notebook X Series X555DG Notebook X Series X555QA Notebook X Series X555QG Notebook X Series X555UA Notebook X Series X555UB Notebook X Series X555UF Notebook X Series X555UJ