Toshiba Satellite L670 Series Maintenance Manual page 35

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]
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Contents
Satellite L670/L675/ProL670 Series Maintenance Man