TECRA M11/Satellite Pro S500M Series Maintenance Manual (960-813) [CONFIDENTIAL]  vii 
Chapter 2  Troubleshooting Procedures 
2.1 Troubleshooting.........................................................................................................2-6 
2.2 Troubleshooting Flowchart........................................................................................ 2-8 
2.3  Power Supply Troubleshooting................................................................................2-13 
2.4  System Board Troubleshooting................................................................................2-22 
2.5  USB FDD Troubleshooting ..................................................................................... 2-30 
2.6  2.5” HDD Troubleshooting...................................................................................... 2-34 
2.7 Keyboard Troubleshooting ......................................................................................2-39 
2.8  Touch pad or Dual point Troubleshooting...............................................................2-40 
2.9 Display Troubleshooting..........................................................................................2-42 
2.10  Optical Disk Drive Troubleshooting........................................................................ 2-44 
2.11 Modem Troubleshooting..........................................................................................2-46 
2.12 LAN Troubleshooting..............................................................................................2-48 
2.13  Wireless LAN Troubleshooting............................................................................... 2-49 
2.14 Bluetooth Troubleshooting ...................................................................................... 2-52 
2.15 Sound Troubleshooting............................................................................................ 2-54 
2.15.3  Procedure 3 Replacement Check ............................................................................. 2-55 
2.16  Bridge media Slot Troubleshooting......................................................................... 2-56 
2.17  PCI ExpressCard Slot Troubleshooting................................................................... 2-57 
2.18  Fingerprint sensor Troubleshooting.........................................................................2-58 
2.19  Web camera Troubleshooting.................................................................................. 2-62