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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.
System Board(s)
2.
VGA Board
3.
HDD I/F Board
4.
Floppy Disk Drive
5.
Hard Disk Drive
6.
Keyboard
7.
Display
The Diagnostics Disk operations are described in Chapter 3 and detailed replacement proce-
dures are given in Chapter 4.
The following tools are necessary for implementing the troubleshooting procedures:
1.
Diagnostics disk
2.
Phillips screwdriver
3.
Toshiba MS-DOS system disk(s)
(You must install the following onto the disk: SYS.COM, FORMAT.COM,
FDISK.COM and FDISK.EXE)
4.
2DD or 2HD formatted work disk for floppy disk drive testing
5.
Cleaning kit for floppy disk drive troubleshooting
6.
RS-232-C wraparound connector
7.
Printer wraparound connector
8.
Multimeter
9.
External CRT
10.
PS/2 or compatible keyboard
11.
PS/2 or compatible mouse
12.
Serial port wraparound connector
13.
PC card wraparound card
100CS
2-1
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Table of Contents
Troubleshooting
