TECRA M9 Maintenance Manual (960-631) [CONFIDENTIAL] vii
Chapter 2 Troubleshooting Procedures
2.1 Troubleshooting ......................................................................................................... 2-1
2.2 Troubleshooting Flowchart........................................................................................ 2-2
2.3 Power Supply Troubleshooting.................................................................................. 2-6
2.4 System Board Troubleshooting................................................................................ 2-16
2.5 USB FDD Troubleshooting ..................................................................................... 2-31
2.6 HDD Troubleshooting ............................................................................................. 2-34
2.7 Keyboard and Touch pad Troubleshooting.............................................................. 2-39
2.8 Display Troubleshooting.......................................................................................... 2-41
2.9 Optical Drive Troubleshooting ................................................................................ 2-43
2.10 Modem Troubleshooting.......................................................................................... 2-45
2.11 LAN Troubleshooting.............................................................................................. 2-47
2.12 Bluetooth Troubleshooting ...................................................................................... 2-48
2.13 Wireless LAN Troubleshooting............................................................................... 2-51
2.14 3G Troubleshooting ................................................................................................. 2-54
2.15 Sound Troubleshooting............................................................................................ 2-56
2.16 SD Card Slot Troubleshooting................................................................................. 2-59
2.17 Fingerprint sensor Troubleshooting......................................................................... 2-60
2.18 SmartCard Slot Troubleshooting (SmartCard model only) .................................. 2-70