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Satellite P20-25 Series Maintenance Manual vii
Table of Contents
Chapter 1 Hardware Overview
1.1 Features......................................................................................................................1-1
1.2 System Unit................................................................................................................1-5
1.3 2.5-inch Hard Disk Drive...........................................................................................1-9
1.4 Removable Drives....................................................................................................1-10
1.5 Power Supply...........................................................................................................1-11
1.6 Batteries ...................................................................................................................1-13
Chapter 2 Troubleshooting Procedures
2.1 Troubleshooting Introduction .................................................................................... 2-1
2.2 Troubleshooting Flowchart........................................................................................2-2
2.3 Power Supply Troubleshooting.................................................................................. 2-7
2.4 Display Troubleshooting.......................................................................................... 2-12
2.5 FDD Troubleshooting .............................................................................................. 2-15
2.6 Keyboard Troubleshooting ...................................................................................... 2-17
2.7 External USB Devices Troubleshooting..................................................................2-20
2.8 TV-Out Failure Troubleshooting............................................................................. 2-22
2.9 Printer Port Troubleshooting ................................................................................... 2-24
2.10 TouchPad Troubleshooting......................................................................................2-26
2.11 Speaker Troubleshooting ......................................................................................... 2-28
2.12 Optical Drive Troubleshooting................................................................................ 2-30
2.13 Modem Troubleshooting.......................................................................................... 2-33
2.14 PCMCIA Troubleshooting....................................................................................... 2-35
2.15 IEEE 1394 Troubleshooting .................................................................................... 2-37
2.16 Wireless LAN Troubleshooting...............................................................................2-39
2.17 Bluetooth Troubleshooting ...................................................................................... 2-41