Toshiba 50CT User Guide - Page 32

Diagnostic Test Program Execution and Replacement Checks, Printer Port LED Check in Hibernation Mode - libretto hard drive

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Table of Contents 2.1 Troubleshooting Overview 2-1 2.2 Troubleshooting Flowchart 2-2 2.3 Power Supply Troubleshooting 2-5 Procedure 1 Power Status Check 2-5 Procedure 2 Error Code Check 2-6 Procedure 3 Connection Check 2-9 Procedure 4 Replacement Check 2-9 2.4 System Board Troubleshooting 2-10 Procedure 1 Message Check 2-10 Procedure 2 Printer Port LED Check in Boot Mode 2-12 Procedure 3 Printer Port LED Check in Hibernation Mode 2-14 Procedure 4 Diagnostic Test Program Execution and Replacement Checks ....2-15 Procedure 5 Connection Check 2-16 2.5 Floppy Disk Drive (FDD) Troubleshooting 2-17 Procedure 1 FDD Head Cleaning Check 2-17 Procedure 2 Diagnostic Test Program Execution Check 2-17 Procedure 3 Connector Check and Replacement Check 2-18 2.6 Hard Disk Drive (HDD) Troubleshooting 2-19 Procedure 1 Partition Check 2-19 Procedure 2 Message Check 2-20 Procedure 3 Format Check 2-20 Procedure 4 Diagnostic Test Program Execution Check 2-21 2.7 Keyboard Troubleshooting 2-23 Procedure 1 Diagnostic Test Program Execution Check 2-23 Procedure 2 Connector and Replacement Check 2-23 2.8 Pointing Device Troubleshooting 2-24 Procedure 1 Diagnostic Test Program Execution Check 2-24 Procedure 2 Connector and Replacement Check 2-24 2.9 Display Troubleshooting 2-25 Procedure 1 Diagnostic Test Program Execution Check 2-25 Procedure 2 Connector Check 2-25 Procedure 3 Replacement Check 2-25 Libretto 50CT/70CT Maintenance Manual 2-iii

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Libretto 50CT/70CT Maintenance Manual
2-iii
Table of Contents
2.1
Troubleshooting Overview
...........................................................................................
2-1
2.2
Troubleshooting Flowchart
..........................................................................................
2-2
2.3
Power Supply Troubleshooting
....................................................................................
2-5
Procedure 1
Power Status Check
.....................................................................
2-5
Procedure 2
Error Code Check
........................................................................
2-6
Procedure 3
Connection Check
........................................................................
2-9
Procedure 4
Replacement Check
......................................................................
2-9
2.4
System Board Troubleshooting
..................................................................................
2-10
Procedure 1
Message Check
...........................................................................
2-10
Procedure 2
Printer Port LED Check in Boot Mode
.......................................
2-12
Procedure 3
Printer Port LED Check in Hibernation Mode
.............................
2-14
Procedure 4
Diagnostic Test Program Execution and Replacement Checks
....
2-15
Procedure 5
Connection Check
......................................................................
2-16
2.5
Floppy Disk Drive (FDD) Troubleshooting
................................................................
2-17
Procedure 1
FDD Head Cleaning Check
.........................................................
2-17
Procedure 2
Diagnostic Test Program Execution Check
.................................
2-17
Procedure 3
Connector Check and Replacement Check
..................................
2-18
2.6
Hard Disk Drive (HDD) Troubleshooting
..................................................................
2-19
Procedure 1
Partition Check
...........................................................................
2-19
Procedure 2
Message Check
...........................................................................
2-20
Procedure 3
Format Check
.............................................................................
2-20
Procedure 4
Diagnostic Test Program Execution Check
.................................
2-21
2.7
Keyboard Troubleshooting
........................................................................................
2-23
Procedure 1
Diagnostic Test Program Execution Check
.................................
2-23
Procedure 2
Connector and Replacement Check
.............................................
2-23
2.8
Pointing Device Troubleshooting
...............................................................................
2-24
Procedure 1
Diagnostic Test Program Execution Check
.................................
2-24
Procedure 2
Connector and Replacement Check
.............................................
2-24
2.9
Display Troubleshooting
............................................................................................
2-25
Procedure 1
Diagnostic Test Program Execution Check
.................................
2-25
Procedure 2
Connector Check
........................................................................
2-25
Procedure 3
Replacement Check
....................................................................
2-25