Toshiba Satellite A40 Maintenance Manual page 60

2.1 Troubleshooting
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2.1 Troubleshooting
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. Power supply
2. System Board
3. Floppy Disk Drive
4. Hard Disk Drive
The Diagnostics Disk operations are described in Chapter 3. Detailed Replacement
Procedures are given in Chapter 4, Replacement Procedures.
The following tools are necessary for implementing the troubleshooting procedures:
1. Diagnostics Disk
2. Phillips screwdriver (2 mm)
3. LH-STIX screwdriver (in some models)
4. Toshiba MS-DOS system disk(s)
(You must install the following onto the disk: SYS.COM, FORMAT.COM,
FDISK.COM and FDISK.EXE)
5. Formatted work disk for floppy disk drive testing
6. Cleaning kit for floppy disk drive troubleshooting
7. Parallel port wraparound connector
8. PC card wraparound connector
9. Multimeter
10. External USB FDD
11. External USB keyboard and Mouse
12. Headphone
13. Microphone
14. USB test module and USB cable
15. TOSHIBA CD-ROM TEST DISK (ZA1217P01/P000204190)
16. CD-RW Media (RICOH-made x4 recommended)
17. DVD-ROM TSD-1 (TOSHIBA-EMI DVD Test Media)
18. Music CD
19. RJ11 connector checker
20. Speaker
21. Personal computer that can communicate by wireless LAN for wireless LAN
troubleshooting
22. Antenna test cable
Satellite A40 Maintenance Manual (960-458)
5. Keyboard
6. Display
7. Optical Drive
8. Modem
2 Troubleshooting Procedures
9. LAN
10. Wireless LAN
11. Sound components
12. SD Card Slot
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