Chapter 3 27This chapter provides step-by-step instructions on how to disassemble the notebook computer formaintenance and troubleshooting purposes.Disassembly ToolsIn performing the disassembly process, you will need the following tools:T Wrist-grounding strap and conductive mat for preventing electrostatic dischargeT Philips screwdriverT Flat screwdriverT Hex screwdriverT Flat plastic screwdriverT Plastic tweezersStages of the Disassembly ProcessThe disassembly process is divided into three stages:1. External modules disassembly2. Main unit disassemblya. Upper case disassemblyb. Lower case disassembly3. LDC module disassemblyIMPORTANT: The disassembly procedure described in this chapter is a gradual process, as illustrated in theflowcharts preceding each disassembly stage section. This means that users need to observethe instructions in a step-by step manner. To illustrate, removing the HDD assembly will requirethat you first remove the battery pack and the stylus. Failure to observe the gradual flow of theprocess may result in component damage.NOTE: To reinstall the system components and assemble the unit, perform the disassembly proceduresin reverse.Equivalent Torque ValuesTorque values indicated in this chapter are expressed in kgf-cm (kilogram force-centimetre). For equivalentvalues in in-lb (inch-pound force) and Nmm (milli Newton meter), refer to the table below.Torque Units kgf-cm in-lb NmmTorquevalues1.6 1.39 156.913 2.60 294.214 3.47 392.28System DisassemblyChapter 3
