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2 Troubleshooting Procedures
Satellite L450D/455D, Satellite pro L450D Series Maintenance Manual
2
Figure
Figure 2-1 Troubleshooting Flowchart(1/2) ….…………………………………………..4
Figure 2-1 Troubleshooting Flowchart(2/2)…..…………………………………………..6
Figure 2-2 Power Supply Flowchart ………….…………………………………………..9
Figure 2-3 Display Flowchart ……………………………………………………………14
Figure 2-4 Keyboard troubleshooting process.................................................................. 17
Figure 2-5 External USB device troubleshooting process ................................................19
Figure 2-6 TouchPad troubleshooting Process …………………………………………..21
Figure 2-8 Speaker troubleshooting process..................................................................... 23
Figure 2-9 Optical drive troubleshooting process ……………………………………….25
Figure 2-10 Modem troubleshooting process ………….…………………………………28
Figure 2-11 Wireless LAN troubleshooting process ….…………………………………..30
Figure 2-12 Camera troubleshooting process ……………………………………………. 32
Figure 2-13 3 in 1 card troubleshooting process………………………….…..…….………34
Figure 2-14 HDD troubleshooting process……………………………….………………..36
Figure 2-15 CRT Port troubleshooting process …………………………………………....38
Figure 2-16 HDMI Troubleshooting process ……………………………………………..40
Figure 2-17 MIC troubleshooting process ……………………………………………….. 42
Figure 2-18 Thermal Module Troubleshooting………...…………………………………44
Figure 2-19 LAN Troubleshooting ………………………....………………………..........46
Tables
Table 2-1 Battery LED .......................................................................................................10
Table 2-2 DC-IN LED ........................................................................................................11