The Dell 8558K is a 20-inch LCD touchscreen assembly designed for the Inspiron One 2020 all-in-one desktop. This replacement unit integrates the display panel and capacitive touch digitizer into a single module, compatible with the Inspiron One 2020 form factor. The assembly features HD resolution (1600×900) with integrated touch functionality for intuitive interaction. Standard connectivity via internal LVDS and power connectors. Suitable for end-user replacement or service center refurbishment of Inspiron One 2020 systems. Tested and guaranteed—available via quote.