Toshiba Satellite U900 Maintenance Manual page 35

2 Troubleshooting Procedures
Figures
Troubleshooting flowchart (2/1) ......................................................5
Figure 2-1
Troubleshooting flowchart (2/2) ......................................................6
Figure 2-1
Power Supply Troubleshooting Process ..............................................9
Figure2-2
Display troubleshooting process .....................................................13
Figure 2-3
Figure 2-4 Keyboard troubleshooting process...................................................16
Figure 2-5 External USB device troubleshooting process......................................18
Figure 2-6 TouchPad troubleshooting process...................................................20
Speaker troubleshooting process .....................................................22
Figure 2-7
Wireless LAN troubleshooting process...............................................24
Figure 2-8
Camera Troubleshooting process.......................................................26
Figure 2-9
Figure 2-10 Bluetooth troubleshooting process ...................................................28
Figure 2-11 2 in 1 card troubleshooting process...................................................30
Figure 2-12 HDD/SSD/HDD+SSD(RAID Mode) troubleshooting process..................32
HDMI troubleshooting process .......................................................34
Figure 2-13
MIC troubleshooting process .........................................................36
Figure 2-14
Figure 2-15 USB3.0&USB2.0 Troubleshooting process.........................................38
Sleep & Charge Troubleshooting......................................................40
Figure 2-16
Figure 2-17 LAN troubleshooting process .........................................................42
Figure 2-18 Battery troubleshooting process.........................................................44
Figure 2-19 LED troubleshooting process............................................................46
Figure 2-20 FAN troubleshooting process............................................................48
Tables
Table 2-1 Battery LED ....................................................................................................... 10
Table 2-2 DC-IN LED ........................................................................................................ 11
Satellite U900/U940/U945 Series Maintenance Manual
2