2 Troubleshooting Procedures
TECRA A8 /Satellite Pro A120 Maintenance Manual (960-573) [CONFIDENTIAL] 2-iii
Chapter 2 Contents
2.1 Troubleshooting..........................................................................................................2-1
2.2 Troubleshooting Flowchart ........................................................................................2-3
2.3 Power Supply Troubleshooting ..................................................................................2-7
2.4 System Board Troubleshooting ................................................................................2-21
2.5 USB FDD Troubleshooting......................................................................................2-45
2.6 HDD Troubleshooting..............................................................................................2-48
2.7 Keyboard and Touch pad Troubleshooting ..............................................................2-53
2.8 Display Troubleshooting ..........................................................................................2-56
2.9 Optical Drive Troubleshooting.................................................................................2-58
2.10 Modem Troubleshooting ..........................................................................................2-60
2.11 LAN Troubleshooting ..............................................................................................2-62
2.12 Bluetooth Troubleshooting.......................................................................................2-63
2.13 Wireless LAN Troubleshooting ...............................................................................2-65
2.14 Sound Troubleshooting ............................................................................................2-67
2.15 SD card Slot Troubleshooting ..................................................................................2-70
2.16 Fingerprint sensor Troubleshooting .........................................................................2-71
