HP ProBook 4320s Notebook PC HP ProBook 4321s ... - Warranty Life

Component replacement proceduresThis section provides removal and replacement procedures.There are as many as 83 screws, in 8 different sizes, that must be removed, replaced, or loosenedwhen servicing the computer. Make special note of each screw size and location during removal andreplacement.Serial number labelThe serial number label, located on the bottom of the computer, provides important information thatyou may need when contacting technical support.NOTE:Serial number label color varies on select models.(1) Product name (4) Warranty period(2) Serial number (5) Model description (select models)(3) Product numberComputer feetThe computer feet are adhesive-backed rubber pads. The feet are included in the rubber kit, sparepart number 535793-001. There are 4 rubber feet that attach to the base enclosure in the locationsillustrated below.50 Chapter 4 Removal and replacement procedures