Toshiba PORTEGE M400 User Manual
Page 6
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[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