Acer Aspire 4540 Acer Aspire 4540 Series Service Guide - Page 53

External Module Disassembly Process External Modules Disassembly Flowchart The flowchart below gives you a graphic representation on the entire disassembly sequence and instructs you on the components that need to be removed during servicing. For example, if you want to remove the main board, you must first remove the keyboard, then disassemble the inside assembly frame in that order. Turn off system and peripherals power Disconnect power and signal cables from system Rem ove Battery Rem ove Lower Covers Rem ove SD Dummy Rem ove WLAN Rem ove DIMMs Rem ove HDD Rem ove ODD Screw List Step WLAN Module HDD Carrier ODD Module ODD Bracket Screw M2*3 M3*3 M2.5*5 M2*3 Quantity 2 4 1 2 Part No. 86.PAA02.001 86.PAA02.006 86.PAA02.003 86.PAA02.001 Chapter 3 43