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2 Troubleshooting Procedures
PORTEGE M700/M750 Maintenance Manual (960-661) [CONFIDENTIAL] 2-iii
Chapter 2 Contents
2.1 Troubleshooting..........................................................................................................2-1
2.2 Troubleshooting Flowchart ........................................................................................2-2
2.3 Power Supply Troubleshooting..................................................................................2-7
Procedure 1 Icons in the LCD Check...............................................................2-7
Procedure 2 Error Code Check ........................................................................2-8
Procedure 3 Connection Check......................................................................2-13
Procedure 4 Charge Check.............................................................................2-14
Procedure 5 Replacement Check....................................................................2-15
2.4 System Board Troubleshooting................................................................................2-16
Procedure 1 Message Check ..........................................................................2-17
Procedure 2 Serial Port Check (Boot Mode)..................................................2-19
Procedure 3 Diagnostic Test Program Execution Check ...............................2-28
Procedure 4 Replacement Check....................................................................2-29
2.5 USB FDD Troubleshooting......................................................................................2-30
Procedure 1 USB FDD Head Cleaning Check...............................................2-30
Procedure 2 Diagnostic Test Program Execution Check ...............................2-31
Procedure 3 Connector Check ......................................................................2-32
2.6 HDD Troubleshooting..............................................................................................2-33
Procedure 1 Message Check ..........................................................................2-33
Procedure 2 Partition Check...........................................................................2-34
Procedure 3 Format Check.............................................................................2-35
Procedure 4 Diagnostic Test Program Execution Check ...............................2-36
Procedure 5 Connector Check and Replacement Check................................2-37
2.7 Keyboard and Dual point Troubleshooting..............................................................2-38
Procedure 1 Diagnostic Test Program Execution Check ...............................2-38
Procedure 2 Connector Check and Replacement Check................................2-38
2.8 Touch pad Troubleshooting......................................................................................2-40
Procedure 1 Diagnostic Test Program Execution Check ...............................2-40
Procedure 2 Connector Check and Replacement Check................................2-40