Toshiba Satellite M640 Maintenance Manual page 7

2.16 HDD/SSD Troubleshooting ..................................................................................................... 40
2.17 CRT Troubleshooting .............................................................................................................. 42
2.18 HDMI Troubleshooting ........................................................................................................... 44
2.19 MIC Troubleshooting ............................................................................................................... 46
2.20 Finger printer troubleshooting ................................................................................................. 48
2.21 E-SATA Troubleshooting ........................................................................................................ 50
2.22 3D Sensor Troubleshooting ..................................................................................................... 52
2.23 Sleep & Charge Troubleshooting ............................................................................................. 54
2.24 Sleep & Play music Troubleshooting ...................................................................................... 56
2.25 3G Troubleshooting ................................................................................................................. 58
2.26 LAN Troubleshooting .............................................................................................................. 61
2.27 Ambient Light Sensor Troubleshooting ................................................................................... 63
2.28 Wimax Troubleshooting .......................................................................................................... 65
Chapter 3 Tests and Diagnostics
3.1 The Diagnostic Test ............................................................................................................................ 3
3.2 Executing the Diagnostic Test ............................................................................................................ 4
3.3 Display Configuration ......................................................................................................................... 7
3.4 Audio sound test ................................................................................................................................. 8
3.5 Fan ON/OFF/Speed Test ................................................................................................................... 11
3.6 Main Battery Charge Test ................................................................................................................. 13
3.7 FDD Test ........................................................................................................................................... 15
3.8 Memory check .................................................................................................................................. 16
3.9 Keyboard Test ................................................................................................................................... 19
3.10 Mouse (Pad) Test ............................................................................................................................ 21
3.11 LCD Pixels Mode Test .................................................................................................................... 22
3.12 Magnetic Switch Test ..................................................................................................................... 23
3.13 LAN Test ........................................................................................................................................ 25
3.14 RTC Test ......................................................................................................................................... 27
3.15 BUTTON TEST .............................................................................................................................. 28
3.16 1st HDD Test .................................................................................................................................. 30
Satellite M640/ProM640 Series Maintenance Manual vii