2 Troubleshooting Procedures
[CONFIDENTIAL]
Satellite L670/L675/ProL670 Series Maintenance Man
ual
Chapter 2 Contents 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