PDF schematic labelled N5110, a name matching the Dell Inspiron N5110 laptop series, though the file name gives no board number or revision. The 1.45 MB document should contain the circuit pages needed to follow power sequencing, locate the charging circuit and check signal connections between chipset, memory and peripherals. Any PDF viewer opens it, and text search helps find net names quickly. Compare the board number silkscreened on your motherboard with the title block before relying on component values or test point locations.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @cyberlanelectonik. Enginerys does not host this file.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.