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)