2 Troubleshooting Procedures
NB300/305 Series Maintenance Manual 2
Figures
Figure 2-1 Troubleshooting flowchart (1/2)……………………………………………….5
Figure 2-1 Troubleshooting flowchart (2/2)……………………………………………….6
Figure 2-2 Power Supply Troubleshooting Process……………………………………….9
Figure 2-3 Display troubleshooting process……………………………………………...14
Figure 2-4 Keyboard troubleshooting process……………………………………………17
Figure 2-5 External USB device troubleshooting process………………………………..19
Figure 2-6 TouchPad troubleshooting process…………………………………………...21
Figure 2-7 Speaker troubleshooting process……………………………………………..23
Figure 2-8 Wireless LAN troubleshooting process........................................................... 25
Figure 2-9 Camera troubleshooting process ..................................................................... 27
Figure 2-10 Bluetooth troubleshooting process…..……………………………….……….29
Figure 2-11 2 in 1 card troubleshooting process……………………………..…….………31
Figure 2-12 HDD/SSD troubleshooting process………………….….……..…………...33
Figure 2-13 CRT troubleshooting process ………………………………………………..35
Figure 2-14 LAN troubleshooting process ………………………………………………..37
Figure 2-15 MIC troubleshooting process……………………………………………........39
Figure 2-16 3D sensor troubleshooting process……………………………………………41
Figure 2-17 3G troubleshooting process…………………………………………………...43
Tables
Table 2-1 Battery LED.......................................................................................................... 10
Table 2-2 DC-IN LED ........................................................................................................... 11
2.1 Troubleshooting Introduction
Chapter 2 describes how to determine if a Field Replaceable Unit (FRU) in the computer is
causing the computer to malfunction. The FRUs covered are:
1. Display 7. Wireless LAN 13. 2 in 1 card
2. HDD/SSD 8. Camera 14. CRT