Toshiba A40 manual Troubleshooting Troubleshooting Procedures

2.1 Troubleshooting 2 Troubleshooting Procedures

2.1Troubleshooting

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	5.	Keyboard	9.	LAN
2.	System Board	6.	Display	10.	Wireless LAN
3.	Floppy Disk Drive	7.	Optical Drive	11.	Sound components
4.	Hard Disk Drive	8.	Modem	12.	SD Card Slot

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) 2-1