Toshiba PORTEGE M400 - Manual (Page 6)

vi [CONFIDENTIAL] PORTEGE M400 Maintenance Manual (960-541)
Table of Contents
Chapter 1 Hardware Overview
1.1 Features ...................................................................................................................... 1-1
1.2 2.5-inch Hard Disk Drive......................................................................................... 1-11
1.3 Optical Drive............................................................................................................ 1-14
1.4 Keyboard.................................................................................................................. 1-20
1.5 TFT Color Display ................................................................................................... 1-21
1.6 Power Supply ........................................................................................................... 1-23
1.7 Batteries ................................................................................................................... 1-25
1.8 AC Adapter .............................................................................................................. 1-28
Chapter 2 Troubleshooting Procedures
2.1 Troubleshooting ......................................................................................................... 2-1
2.2 Troubleshooting Flowchart ........................................................................................ 2-2
2.3 Power Supply Troubleshooting.................................................................................. 2-6
2.4 System Board Troubleshooting................................................................................ 2-16
2.5 USB 3.5” FDD Troubleshooting.............................................................................. 2-32
2.6 2.5” HDD Troubleshooting...................................................................................... 2-35
2.7 Keyboard Troubleshooting ...................................................................................... 2-40
2.8 Display Troubleshooting.......................................................................................... 2-41
2.9 Touch Pad Troubleshooting ..................................................................................... 2-43
2.10 Selectable bay(optical drive) Troubleshooting ........................................................ 2-44
2.11 Modem Troubleshooting.......................................................................................... 2-45
2.12 Bluetooth Troubleshooting ...................................................................................... 2-46
2.13 LAN Troubleshooting.............................................................................................. 2-49
2.14 Sound Troubleshooting ............................................................................................ 2-50
2.15 Bridge media Slot Troubleshooting ......................................................................... 2-51
2.16 Tablet Pen Troubleshooting ..................................................................................... 2-52