Toshiba QOSMIO G20 manual Power Status Check

Chapter 2		Contents
2.1	Troubleshooting		.........................................................................................................	2-1
2.2	Troubleshooting Flowchart			2-3
2.3	Power Supply Troubleshooting			2-7
	Procedure 1		Power Status Check	2-7
	Procedure 2		Error Code Check	2-9
	Procedure 3		Connection Check	2-15
	Procedure 4		Charging Check	2-15
	Procedure 5		Replacement Check	2-16
2.4	System Board Troubleshooting			2-17
	Procedure 1		Message Check	2-18
	Procedure 2		Debugging Port Check	2-20
	Procedure 3		Diagnostic Test Program Execution Check	2-36
	Procedure 4		Replacement Check	2-36
2.5	USB FDD Troubleshooting			2-37
	Procedure 1		FDD Head Cleaning Check	2-37
	Procedure 2		Diagnostic Test Program Execution Check	2-38
	Procedure 3		Connector Check and Replacement Check	2-39
2.6	2.5” HDD Troubleshooting			2-41
	Procedure 1		Partition Check	2-41
	Procedure 2		Message Check	2-42
	Procedure 3		Format Check	2-43
	Procedure 4		Diagnostic Test Program Execution Check	2-44
	Procedure 5		Connector Check and Replacement Check	2-45
2.7	Keyboard Troubleshooting			2-46
	Procedure 1		Diagnostic Test Program Execution Check	2-46
	Procedure 2		Connector Check and Replacement Check	2-47
2.8	Touch pad Troubleshooting			2-48
	Procedure 1		Diagnostic Test Program Execution Check	2-48
	Procedure 2		Connector Check and Replacement Check	2-49

QOSMIO G20 Maintenance Manual (960-511) [CONFIDENTIAL] 2-iii