2 Troubleshooting Procedures
Satellite L450D/455D, Satellite pro L450D Series Maintenance Manual
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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..................................................................................................29
2.11 Wireless LAN Troubleshooting.......................................................................................31
2.12 Camera Troubleshooting..................................................................................................33
2.13 3 in 1 card Troubleshooting .............................................................................................35
2.14 HDD Troubleshooting .....................................................................................................37
2.15 CRT Port Troubleshooting...............................................................................................39
2.16 HDMI Troubleshooting ...................................................................................................41
2.17 MIC troubleshooting process ………………………………………………………….. 42
2.18 Thermal Module troubleshooting ....................................................................................45
2.19 LAN troubleshooting .......................................................................................................47
