Toshiba M300 manual Troubleshooting, Lan

Models: M300

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2 Troubleshooting Procedures

2.1Troubleshooting

Chapter 2 describes how to determine which Field Replaceable Unit (FRU) in the computer is causing the computer to malfunction.

The FRUs covered are:

 

 

 

 

1.

Power supply

6.

Touch pad

11.

Wireless LAN

2.

System Board

7.

Display

12.

Sound

3.

USB FDD

8.

Optical Disk Drive

13, Finger Print Board

4.

2.5” HDD

9.

Modem

14, Bluetooth

5.

Keyboard

10.

LAN

 

 

The Test Program operations are described in Chapter 3. Detailed replacement procedures are described in Chapter 4.

NOTE: After replacing the system board or CPU, it is necessary to execute the subtest 01 initial configuration of the 3.3 Setting of the hardware configuration in Chapter

3.Also update with the latest BIOS as described in Appendix G “BIOS Rewrite Procedures”

After replacing the LCD, update with the latest EC/KBC as described in Appendix H “EC/KBC Rewrite Procedures” to set the SVP parameter.

The implement for the Diagnostics procedures is referred to Chapter 3. Also, following implements are necessary:

1.Phillips screwdrivers (For replacement procedures)

2.Implements for debugging port check

Toshiba MS-DOS system FD

RS-232C cross cable

Test board with debug port test cable

PC for displaying debug port test result

Satellite M300 and Satellite Pro M300 Maintenance Manual (960-Q08)

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Toshiba M300 manual Troubleshooting, Lan