Toshiba PORTÉGÉ Z930 Maintenance Manual page 84

Troubleshooting Procedures
Check 3 LAN/3G/USB 3.0 board or the FPC may be faulty. Replace it with a new one
following the instructions in Chapter 4, Replacement Procedures. If the problem
still occurs, perform Check 4.
Check 4 System board may be faulty. Replace it with a new one following the instruction in
Chapter 4, Replacement Procedure.
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PORTÉGÉ Z930/Satellite Z930 Series Maintenance Manual (960-887) [CONFIDENTIAL]