Toshiba Satellite L300 Maintenance Manual page 39

2 Troubleshooting
Chapter 2
2.1 Outline.................................................................................................................... 2-1
2.2 Basic Flowchart...................................................................................................... 2-2
2.3 Power Supply ......................................................................................................... 2-6
Procedure 1 Power Icon Check....................................................................... 2-6
Procedure 2 Connection Check....................................................................... 2-8
Procedure 3 Replacement Check .................................................................... 2-8
2.4 System Board ......................................................................................................... 2-9
Procedure 1 Message Check ........................................................................... 2-9
Procedure 2 Test Program Check ................................................................. 2-11
Procedure 3 Replacement Check .................................................................. 2-11
2.5 2.5-inch HDD ....................................................................................................... 2-12
Procedure 1 Message Check ......................................................................... 2-12
Procedure 2 Partition Check ......................................................................... 2-12
Procedure 3 Format Check............................................................................ 2-13
Procedure 4 Test Program Check ................................................................. 2-14
Procedure 5 Connector Check and Replacement Check............................... 2-15
2.6 Keyboard .............................................................................................................. 2-16
Procedure 1 Test Program Check ................................................................. 2-16
Procedure 2 Connector Check and Replacement Check............................... 2-16
2.7 Display ................................................................................................................. 2-17
Procedure 1 External Monitor Check ........................................................... 2-17
Procedure 2 Test Program Check ................................................................. 2-17
Procedure 3 Connector Check and Replacement Check............................... 2-17
2.8 ODD (Optical Disk Drive) ................................................................................... 2-19
Procedure 1 ODD Cleaning Check ............................................................... 2-19
Procedure 2 Test Program Check ................................................................. 2-19
Procedure 3 Connector Check and Replacement Check............................... 2-19
2.9 LAN...................................................................................................................... 2-21
Procedure 1 Test Program Check ................................................................. 2-21
Procedure 2 Connector Check and Replacement Check............................... 2-21
2-ii Satellite L300/L305/Satellite Pro L300/EQUIUM L300/SATEGO L300
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Contents
Maintenance Manual