2 Troubleshooting Procedures
Chapter 2 Contents
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..................................................................2-19
2.8 TV-Out Failure Troubleshooting ............................................................................. 2-21
2.9 Printer Port Troubleshooting.................................................................................... 2-23
2.10 TouchPad Troubleshooting......................................................................................2-25
2.11 Speaker Troubleshooting ......................................................................................... 2-27
2.12 Optical Drive Troubleshooting ................................................................................ 2-29
2.13 Modem Troubleshooting.......................................................................................... 2-32
2.14 PCMCIA Troubleshooting....................................................................................... 2-34
2.15 IEEE 1394 Troubleshooting .................................................................................... 2-36
2.16 Wireless LAN Troubleshooting............................................................................... 2-38
2.17 Bluetooth Troubleshooting ...................................................................................... 2-40
Satellite P20-25 Series Maintenance Manual 2-iii
