Toshiba Satellite M640 Maintenance Manual page 149

4 Replacement Procedures
Chapter 4
4.1 General ................................................................................................................... 4-1
Safety Precautions .......................................................................................... 4-2
Before You Begin........................................................................................... 4-4
Disassembly Procedures................................................................................. 4-5
Assembly Procedures ..................................................................................... 4-5
Tools and Equipment ..................................................................................... 4-6
Screw Tightening Torque............................................................................... 4-6
Colors of Screw Shanks ................................................................................. 4-7
Symbols of Screws on the Laptop Body ........................................................ 4-7
Symbol examples ........................................................................................... 4-7
4.2 Battery .................................................................................................................... 4-8
Removing the Battery Pack............................................................................ 4-8
Installing the Battery Pack ............................................................................. 4-9
4.3 Memory ................................................................................................................ 4-10
Removing the Optional Memory.................................................................. 4-10
Installing the Optional Memory ................................................................... 4-12
4.4 HDD ..................................................................................................................... 4-13
Removing the HDD...................................................................................... 4-13
Installing the HDD ....................................................................................... 4-16
4.5 WLAN Card ......................................................................................................... 4-17
Removing the WLAN Card.......................................................................... 4-17
Installing the WLAN Card ........................................................................... 4-18
4.6 WWAN Card........................................................................................................ 4-19
Removing the WWAN Card ........................................................................ 4-19
Installing the WWAN Card.......................................................................... 4-20
4.7 ODD (Tray-load).................................................................................................. 4-21
Removing the ODD (Tray-load) .................................................................. 4-21
Installing the ODD ....................................................................................... 4-22
Satellite M600/M640/M645/M647 Maintenance Manual
Contents
4-ii