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Table of Contents
Chapter 1 Hardware Overview
1.1 Features...................................................................................................................... 1-1
1.2 System Unit Block Diagram ...................................................................................... 1-6
1.3 USB 3.5-inch Floppy Disk Drive ............................................................................ 1-12
1.4 2.5-inch Hard Disk Drive......................................................................................... 1-13
1.5 DVD-ROM Drive .................................................................................................... 1-18
1.6 CD-RW/DVD-ROM Drive ..................................................................................... 1-20
1.7 DVD-R/-RW Drive.................................................................................................. 1-23
1.8 DVD±RW (DVD Dual) Drive ................................................................................ 1-25
1.9 DVD-Multi (CD-R/RW DVD-RAM/R/RW) Drive ................................................ 1-27
1.10 Keyboard.................................................................................................................. 1-29
1.11 TFT Color Display................................................................................................... 1-30
1.12 Power Supply........................................................................................................... 1-32
1.13 Batteries ................................................................................................................... 1-34
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 ............................................................................... 2-18
2.5 FDD Troubleshooting .............................................................................................. 2-34
2.6 HDD Troubleshooting ............................................................................................. 2-37
2.7 Keyboard Troubleshooting ...................................................................................... 2-42
2.8 Display Troubleshooting.......................................................................................... 2-44
2.9 Optical Drive Troubleshooting ................................................................................ 2-47
2.10 Modem Troubleshooting.......................................................................................... 2-49
2.11 LAN Troubleshooting.............................................................................................. 2-51
2.12 Wireless LAN Troubleshooting............................................................................... 2-52
2.13 Sound Troubleshooting............................................................................................ 2-56
2.14 SD Card Slot Troubleshooting................................................................................. 2-59
vi Satellite A40 Maintenance Manual (960-458)