2 Troubleshooting Procedures
Satellite A500D/Satellite A505D/Satellite A507D/Satellite Pro Series
Maintenance Manual
20
To determine if the computer’s external USB devices are functioning properly, perform the
following procedures. Figure 2-5 outlines the process. Start with Procedure 1 and continue as
instructed.
Procedure 1: External device and connection check
Procedure 2: Replace system board
Procedure 1
External device and connection check
The USB device may be damaged or the connection may be faulty. Use windows application
to check device can work fine or not, Perform Check 1.
Check 1
Make sure USB device cable is firmly plugged into one of the USB sockets. If the
cable is connected correctly, go to Check 2.
Check 2
Plug the USB device into another USB socket (there are three in all). If the USB
device still does not work, go to Check 4.
If the device functions correctly when connected to another USB port, go to
Check 3.
Check 3
Make sure that the USB socket is firmly secured to the system board of the
computer. If the malfunction remains, the system board or USB small board may
be damaged. Go to Procedure 2.
Check 4
Connect an alternative USB device to one of the computer’s USB ports, and then
boot the computer. The computer automatically detects the external device.
If the alternative USB device works correctly, the original device may be
damaged and should be replaced.
If the alternative USB device appears to have the same problem as the original
device, the system board or USB small board may be damaged. Go to Procedure
2.
Procedure 2
Replace system board
If the error persists, the system board or USB small board may be damaged. Replace it with a
new one following the instructions in Chapter 4.
Summary of Contents for Satellite Pro A500D series
Page 1: ...Toshiba Personal Computer Satellite Maintenance Manual TOSHIBA CORPORATION CONFIDENTIAL ...
Page 14: ...Chapter 1 Hardware Overview ...
Page 17: ......
Page 35: ...Chapter 2 Troubleshooting Procedures ...
Page 36: ......
Page 143: ...Chapter 4 Replacement Procedures ...
Page 150: ......
Page 252: ...C 22 CONFIDENTIAL SatelliteA500D ProA500D Maintenance Manual 11 USB20_P1_R 12 GND ...
Page 262: ...Figure TI keyboard 4 Korean KO Keyboard Figure KO keyboard 5 United Kingdom UK Keyboard ...
Page 263: ...Figure UK keyboard 6 US International UI Keyboard Figure UI keyboard 7 Hebrew HB Keyboard ...
Page 264: ...Figure HB keyboard 8 Danish DM Keyboard Figure DM keyboard 9 Swiss SW Keyboard ...
Page 265: ...Figure SW keyboard 10 Arabic ARE Keyboard Figure ARE keyboard 11 Czech CZ Keyboard ...
Page 266: ...Figure CZ keyboard 12 Russian RU Keyboard Figure RU keyboard 13 Portuguese PO Keyboard ...
Page 267: ...Figure PO keyboard 14 Slovakian SL Keyboard Figure SL keyboard 15 Italian IT Keyboard ...
Page 268: ...Figure IT keyboard 16 French FR Keyboard Figure FR keyboard 17 German GR Keyboard ...
Page 269: ...Figure GR keyboard 18 Greek GK Keyboard Figure GK keyboard 19 Hungarian HG Keyboard ...
Page 270: ...Figure HG keyboard 20 Spanish SP Keyboard Figure SP keyboard 21 Turkish TR Keyboard ...
Page 271: ...Figure TR d 22 Turkish F TF F Keyboard keyboar Figure TF F keyboard 23 Swedish SD Keyboard ...
Page 272: ...Figure SD keyboard 24 Belgian BE Keyboard Figure BE keyboard 25 Yugoslavian YU Keyboard ...
Page 273: ...Figure YU keyboard 26 Norwegian NW Keyboard Figure NW keyboard 27 Scandinavian ND Keyboard ...
Page 275: ...Figure CB keyboard 30 Romania RO Keyboard Figure RO keyboard 31 Bulgaria BU Keyboard ...
Page 276: ...Figure BU keyboard 32 Japanese JP Keyboard Figure JP eyboard k ...