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Table of Contents
Chapter 1 Hardware Overview
1.1 Features...................................................................................................................... 1-1
1.2 System Unit Block Diagram ...................................................................................... 1-8
1.3 3.5-inch Floppy Disk Drive (USB External) ........................................................... 1-15
1.4 2.5-inch Hard Disk Drive......................................................................................... 1-16
1.5 DVD-ROM Drive .................................................................................................... 1-20
1.6 CD-RW/DVD-ROM Drive...................................................................................... 1-22
1.7 DVD±R/±RW Drive ................................................................................................ 1-24
1.8 DVD Multi Drive.....................................................................................................1-25
1.9 Keyboard.................................................................................................................. 1-27
1.10 TFT Color Display................................................................................................... 1-28
1.11 Power Supply........................................................................................................... 1-30
1.12 Batteries ................................................................................................................... 1-32
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 FDD Troubleshooting .............................................................................................. 2-29
2.6 HDD Troubleshooting ............................................................................................. 2-32
2.7 Keyboard and Touch pad Troubleshooting.............................................................. 2-37
2.8 Display Troubleshooting.......................................................................................... 2-40
2.9 Optical Drive Troubleshooting ................................................................................ 2-42
2.10 Modem Troubleshooting.......................................................................................... 2-44
2.11 LAN Troubleshooting..............................................................................................2-46
2.12 Bluetooth Troubleshooting ...................................................................................... 2-47
2.13 Wireless LAN Troubleshooting............................................................................... 2-50
vi TECRA M2 Maintenance Manual (960-468)