Filter
Top Products
2 Troubleshooting Procedures
PORTEGE M300 Maintenance Manual (960-504) 2-iii
Chapter 2 Contents
2.1 Troubleshooting..........................................................................................................2-1
2.2 Troubleshooting Flowchart ........................................................................................2-3
2.3 Power Supply Troubleshooting ..................................................................................2-7
Procedure 1 Icon Check ...................................................................................2-7
Procedure 2 Error Code Check ........................................................................2-9
Procedure 3 Connection Check......................................................................2-15
Procedure 4 Charge Check.............................................................................2-16
Procedure 5 Replacement Check....................................................................2-17
2.4 System Board Troubleshooting ................................................................................2-18
Procedure 1 Message Check ..........................................................................2-19
Procedure 2 Debugging Port Check on Boot Mode.......................................2-21
Procedure 3 Diagnostic Test Program Execution Check ...............................2-29
Procedure 4 Replacement Check....................................................................2-30
2.5 USB FDD Troubleshooting......................................................................................2-31
Procedure 1 FDD Head Cleaning Check........................................................2-31
Procedure 2 Diagnostic Test Program Execution Check ...............................2-32
Procedure 3 Connector Check and Replacement Check................................2-33
2.6 HDD Troubleshooting ..............................................................................................2-34
Procedure 1 Message Check ..........................................................................2-34
Procedure 2 Partition Check...........................................................................2-35
Procedure 3 Format Check.............................................................................2-36
Procedure 4 Diagnostic Test Program Execution Check ...............................2-37
Procedure 5 Connector Check and Replacement Check................................2-38
2.7 Keyboard Troubleshooting.......................................................................................2-39
Procedure 1 Diagnostic Test Program Execution Check ...............................2-39
Procedure 2 Connector and Replacement Check...........................................2-40
2.8 Touch pad Troubleshooting......................................................................................2-41
Procedure 1 Diagnostic Test Program Execution Check ...............................2-41
Procedure 2 Connector and Replacement Check...........................................2-41