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2 Troubleshooting Procedures
Satellite L500 / Pro L500 Series Maintenance Manual 4
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. Express card 19. 3in1 card
2. HDD/SSD 8. Camera 14.HDMI
3. Keyboard 9. Bluetooth 15.E-SATA
4. USB HDD 10. Headphone 16. Optical drive
5. Touchpad 11.MIC 17.LAN
6. Speaker 12.Modem 18. BUTTON
The Diagnostics Disk operations are described in Chapter 3. Detailed replacement
procedures are given in Chapter 4.
The following tools are necessary for implementing the troubleshooting procedures:
1. Diagnostics Disk (Repair and Sound Repair)
2. Phillips screwdriver (2 mm)
3. 6mm nut driver (for the helix screw nuts on the rear ports for CPU door)
4. 2DD or 2HD formatted work disk for floppy disk drive testing
5. Sycard (EXPRESS CARD test card)
6. Cleaning kit for floppy disk drive troubleshooting
7. Cleaning kit for optical drive troubleshooting
8. Multimeter
9. External monitor
10. USB compatible keyboard
11. Multimedia sound system with line-in and line-out ports
12. Headphones
13. USB test module and USB cable
14. Music CD
15. MIC module and MIC line