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Satellite U300
Maintenance manual
Keyboard Troubleshooting; Procedure 1 Diagnostic Test Program Execution Check; Procedure 1; Diagnostic Test Program Execution Check - Toshiba Satellite Pro U300 Maintenance Manual
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:
Maintenance manual
(313 pages)
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Specifications
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User manual
(231 pages)
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Contents
Table of Contents
Troubleshooting
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Table of Contents
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2 Troubleshooting Procedures
2.7 Keyboard Troubleshooting
To check if the computer's keyboard is malfunctioning or not, follow the troubleshooting
procedures below as instructed.
Procedure 1: Diagnostic Test Program Execution Check
Procedure 2: Connector and Replacement Check
Procedure 1
Diagnostic Test Program Execution Check
Execute the Keyboard Test (DIAGNOSTIC TEST) and Pressed key display test (ONLY
ONE TEST) in the Diagnostic Program. Refer to Chapter 3, Tests and Diagnostics, for more
information on how to perform the test program.
If an error occurs, go to Procedure 2. If an error does not occur, keyboard is functioning
properly.
Satellite U300 and Satellite Pro U300 Maintenance Manual (960-Q08)
33
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Chapters
Table of Contents
6
Table of Contents
16
Table of Contents
51
Table of Contents
175
Table of Contents
Troubleshooting
Troubleshooting Procedures
49
Troubleshooting
53
Troubleshooting Flowchart
55
Power Supply Troubleshooting
60
System Board Troubleshooting
66
USB FDD Troubleshooting
76
HDD Troubleshooting
80
Keyboard Troubleshooting
85
Touch pad Troubleshooting
87
Display Troubleshooting
89
Optical Disk Drive Troubleshooting
92
Modem Troubleshooting
94
LAN Troubleshooting
97
Wireless LAN Troubleshooting
98
Sound Troubleshooting
101
Procedure 1 Diagnostic Test Program Execution Check
103
Bluetooth Troubleshooting
104
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