Toshiba Satellite L670D Maintenance Manual page 36

2 Troubleshooting Procedures
Chapter 2
2.1 Troubleshooting Introduction................................................................... 3
2.2 Troubleshooting Flowchart .....................................................................4
2.3 Power Supply Troubleshooting................................................................ 9
2.4 Display Troubleshooting..............................................................................................14
2.5 Keyboard Troubleshooting ..........................................................................................17
2.6 External USB Devices Troubleshooting......................................................................19
2.7 TouchPad Troubleshooting..........................................................................................21
2.8 Speaker Troubleshooting .............................................................................................23
2.9 Optical Drive Troubleshooting ....................................................................................25
2.10 Modem Troubleshooting ..................................................................... 28
2.11 Wireless LAN Troubleshooting...................................................................................30
2.12 Camera Troubleshooting...................................................................... 32
2.13 Bluetooth Troubleshooting..................................................................... 34
2.14 Bridge Media slot Troubleshooting........................................................... 36
2.15 HDD Troubleshooting..........................................................................38
2.16 CRT failure Troubleshooting ................................................................. 40
2.17 HDMI Troubleshooting ....................................................................... 42
2.18 MIC Troubleshooting ......................................................................... 44
2.19 E-SATA Troubleshooting ..................................................................... 46
2.20 LAN Troubleshooting...........................................................................48
[CONFIDENTIAL]
Contents
Satellite L670D/L675D/ProL670D Series Maintenance Manual
1