2Troubleshooting Procedures
Satellite/Satellite Pro M600/M640/M645/M647 Series/Dynabook TX/AX Series
Maintenance Manual
45
To determine if the computer’s HDMI port is functioning properly, perform the following
procedures. Figure 2-18 outlines the process. Start with Procedure 1 and continue as
instructed.
Procedure 1: HDMI connection check
Procedure 2: HDMI set check
Procedure 1
HDMI CEC connection check
The HDMI cable may be damaged or the connections may be loose. Use windows application
to check device can work fine or not. Perform Check 1:
Check 1
Make sure HDMI cable is firmly plugged into both the HDMI set and the HDMI
port of the computer. If the cable is connected correctly, go to Check 2.
Check 2
Make sure the HDMI port is firmly secured to the system board of the computer.
If the malfunction remains, go to Check 3.
Check 3
The HDMI cable may be damaged. Replace with a good cable. If the malfunction
remains, go to Procedure 2.
Procedure 2
HDMI set check
The HDMI TV set may be faulty. Perform Check 1:
Check 1
Try using the set for television reception. If it does not work, the set may be
damaged. If the set does work, perform Check 2.
Check 2
Try connecting a different television to the computer. If the replacement
television works, the original set may be damaged. If the replacement set does not
work the system board may be damaged. Replace it with a new one following the
instructions in Chapter 4.
Summary of Contents for Satellite M640
Page 1: ...Toshiba Personal Computer Satellite Maintenance Manual TOSHIBA CORPORATION ...
Page 10: ...Chapter 1 Hardware Overview ...
Page 19: ...1 1 Features 1 Hardware Overview Satellite M600 M640 M645 M647 Maintenance Manual 1 7 ...
Page 20: ...1 Hardware Overview 1 1 Features Satellite M600 M640 M645 M647 Maintenance Manual 1 8 ...
Page 31: ...Chapter 2 Troubleshooting Procedures ...
Page 32: ......
Page 148: ...Chapter 4 Replacement Procedures ...
Page 258: ...Figure TI keyboard 4 Korean KO Keyboard Figure KO keyboard 5 United Kingdom UK Keyboard ...
Page 259: ...Figure UK keyboard 6 US International UI Keyboard Figure UI keyboard 7 Hebrew HB Keyboard ...
Page 260: ...Figure HB keyboard 8 Danish DM Keyboard Figure DM keyboard 9 Swiss SW Keyboard ...
Page 261: ...Figure SW keyboard 10 Arabic ARE Keyboard Figure ARE keyboard 11 Czech CZ Keyboard ...
Page 262: ...Figure CZ keyboard 12 Russian RU Keyboard Figure RU keyboard 13 Portuguese PO Keyboard ...
Page 263: ...Figure PO keyboard 14 Slovakian SL Keyboard Figure SL keyboard 15 Italian IT Keyboard ...
Page 264: ...Figure IT keyboard 16 French FR Keyboard Figure FR keyboard 17 German GR Keyboard ...
Page 265: ...Figure GR keyboard 18 Greek GK Keyboard Figure GK keyboard 19 Hungarian HG Keyboard ...
Page 266: ...Figure HG keyboard 20 Spanish SP Keyboard Figure SP keyboard 21 Turkish TR Keyboard ...
Page 267: ...Figure TR keyboard 22 Turkish F TF F Keyboard Figure TF F keyboard 23 Swedish SD Keyboard ...
Page 268: ...Figure SD keyboard 24 Belgian BE Keyboard Figure BE keyboard 25 Yugoslavian YU Keyboard ...
Page 269: ...Figure YU keyboard 26 Norwegian NW Keyboard Figure NW keyboard 27 Scandinavian ND Keyboard ...
Page 271: ...Figure CB keyboard 30 Romania RO Keyboard Figure RO keyboard 31 Bulgaria BU Keyboard ...
Page 272: ...Figure BU keyboard 32 Japanese JP Keyboard Figure JP keyboard 32 Latin American LA Keyboard ...
Page 273: ...Figure LA keyboard ...
Page 275: ......