@sthaihien https://vinafix.com/attachments/dell-vostro-2420-dv14-mlk-uma-11281-bin-zip.19470/ https://vinafix.com/attachments/dell-3420-11282-1-pdf.81433/ https://vinafix.com/attachments/dell-inspiron-3420-dv14-mlk-uma-11281-1-zip.28037/