Chapter2 Troubleshooting Procedures
Satellite U400/Satellite Pro U400/PORTEGE M800
Maintenance Manual 2-25
Check 2
USB FDD may be faulty. Replace it with a new one. If the problem still occurs,
perform Check 3.
Check 3
Connect USB FDD to each port embedded on system board.
If it does not work properly when connected to CN12, CN19, CN20 or all ports,
perform Check 4.
Check 4
System board may be faulty. Replace it with a new one following the steps in
Chapter 4,
Replacement Procedures
.
Summary of Contents for Satellite Pro U400 Series
Page 110: ...Test Program for Field Satellite U400 and Satellite Pro U400 Tests and Diagnostics Manual 17 ...
Page 168: ...Replacement Procedures Satellite U400 Satellite Pro U400 PORTEGE M800 Maintenance Manual 4 iv ...
Page 276: ...Pin Assignment 36 Satellite U400 Satellite Pro U400 PORTEGE M800 Maintenance Manual ...
Page 302: ...Wiring Diagrams F 2 Satellite U400 Satellite Pro U400 PORTEGE M800 Maintenance Manual ...