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2 Troubleshooting Procedures
Satellite L670/L675/ProL670 Series Maintenance Manual
[CONFIDENTIAL]
2-iii
Figures
Figure 2-1 Troubleshooting Flowchar(1/2) ………………………………………………6
Figure 2-1 Troubleshooting Flowchart (2/2) ……………………………………………...8
Figure 2-2 Power Supply Troubleshooting Process……………………………………….9
Figure 2-3 Display Troubleshooting Process .................................................................... 16
Figure 2-4 Keyboard Troubleshooting Process ................................................................. 17
Figure 2-5 External USB Device Troubleshooting Process .............................................. 19
Figure 2-6 TouchPad Troubleshooting Process ................................................................ 21
Figure 2-7 Speaker Troubleshooting Process ................................................................... 23
Figure 2-8 Optical Drive Troubleshooting Process .......................................................... 25
Figure 2-9 Modem Troubleshooting Process………………………...…………………..28
Figure 2-10 Wireless LAN Troubleshooting Process………………………………...…...30
Figure 2-11 Camera Troubleshooting Process…………………………………………….32
Figure 2-12 Bluetooth Troubleshooting Process…..…………..………………….……….34
Figure 2-13 3 in 1 Card TroubleshootingProcess…………………………..…….………..36
Figure 2-14 HDD Troubleshooting Process…………………………….………………....38
Figure 2-15 CRT Failure Troubleshooting Process ………………………..……………...40
Figure 2-16 HDMI Troubleshooting Process …………………………………………......42
Figure 2-17 MIC Troubleshooting Process ………………………….……………….…...44
Figure 2-18 E-SATA Troubleshooting Process ……………………...….………………...46
Figure 2-19 LAN Troubleshooting Process …………………...…….………………….....48
Tables
Table 2-1 Battery LED ....................................................................................................... 12
Table 2-2 DC-IN LED ........................................................................................................ 13
2.1 Troubleshooting Introduction
Chapter 2 describes how to determine if a Field Replaceable Unit (FRU) in the computer is
causing the computer to malfunction. The FRUs covered are: