Toshiba Portege R500 - Memory and Power Components

2 Troubleshooting Procedures
PORTEGE R500 Maintenance Manual (960-634) [CONFIDENTIAL] 2-iii
Chapter 2 Contents
2.1 Troubleshooting..........................................................................................................2-1
2.2 Troubleshooting Flowchart ........................................................................................2-2
2.3 Power Supply Troubleshooting..................................................................................2-6
Procedure 1 Icons in the LCD Check...............................................................2-6
Procedure 2 Error Code Check ........................................................................2-7
Procedure 3 Connection Check......................................................................2-12
Procedure 4 Charge Check.............................................................................2-13
Procedure 5 Replacement Check....................................................................2-14
2.4 System Board Troubleshooting................................................................................2-15
Procedure 1 Message Check ..........................................................................2-16
Procedure 2 Serial Port Check (Boot Mode)..................................................2-18
Procedure 3 Diagnostic Test Program Execution Check...............................2-29
Procedure 4 Replacement Check....................................................................2-30
2.5 USB FDD Troubleshooting......................................................................................2-31
Procedure 1 USB FDD Head Cleaning Check...............................................2-31
Procedure 2 Diagnostic Test Program Execution Check...............................2-32
Procedure 3 Connector Check........................................................................2-33
Procedure 4 Replacement Check....................................................................2-34
2.6 HDD Troubleshooting..............................................................................................2-35
Procedure 1 Message Check ..........................................................................2-35
Procedure 2 Partition Check...........................................................................2-36
Procedure 3 Format Check.............................................................................2-37
Procedure 4 Diagnostic Test Program Execution Check...............................2-38
Procedure 5 Connector Check and Replacement Check................................2-39
2.7 Keyboard and Dual point Troubleshooting..............................................................2-40
Procedure 1 Diagnostic Test Program Execution Check...............................2-40
Procedure 2 Connector Check and Replacement Check................................2-41