Toshiba 960-809 manual Chapter Contents

		Troubleshooting Procedures
Chapter 2		Contents
2	2-2
2.1	Troubleshooting		2-6
2.2	Troubleshooting Flowchart		2-8
2.3	Power Supply Troubleshooting		2-13
	2.3.1	Procedure 1 Power Status Check	2-13
	2.3.2	Procedure 2 Error Code Check	2-15
	2.3.3	Procedure 3 Connection Check	2-21
	2.3.4	Procedure 4 Charging Check	2-22
	2.3.5	Procedure 5 Replacement Check	2-22
2.4	System Board Troubleshooting		2-23
	2.4.1	Procedure 1 Message Check	2-24
	2.4.2	Procedure 2 Debugging Port Check	2-26
	2.4.3	Procedure 3 Diagnostic Test Program Execution Check	2-30
	2.4.4	Procedure 4 Replacement Check	2-30
2.5	USB FDD Troubleshooting		2-31
	2.5.1	Procedure 1 FDD Head Cleaning Check	2-31
	2.5.2	Procedure 2 Diagnostic Test Program Execution Check	2-32
	2.5.3	Procedure 3 Connector Check and Replacement Check	2-33
2.6	2.5” HDD Troubleshooting		2-35
	2.6.1	Procedure 1 Partition Check	2-35
	2.6.2	Procedure 2 Message Check	2-36
	2.6.3	Procedure 3 Format Check	2-37
	2.6.4	Procedure 4 Diagnostic Test Program Execution Check	2-38
	2.6.5	Procedure 5 Connector Check and Replacement Check	2-39
2.7	Keyboard Troubleshooting		2-40
	2.7.1	Procedure 1 Diagnostic Test Program Execution Check	2-40
	2.7.2	Procedure 2 Connector Check and Replacement Check	2-40
2.8	Touch pad Troubleshooting		2-41
	2.8.1	Procedure 1 Diagnostic Test Program Execution Check	2-41
	2.8.2	Procedure 2 Connector Check and Replacement Check	2-42

PORTEGE M780 Maintenance Manual (960-809) [CONFIDENTIAL] 2-3