Chapter2Troubleshooting Procedures
Satellite U400/Satellite Pro U400/PORTEGE M800
Maintenance Manual
2-45
Procedure 3
Replacement Check
Wireless LAN card, wireless LAN antenna or system board may be faulty. Refer to Chapter 4,
Replacement Procedures,
for instructions on how to disassemble the computer and then
perform the following checks:
Check 1
Wireless LAN antenna may be faulty. Replace it with a new one following the
instructions in Chapter 4,
Replacement Procedures
. If the problem still occurs,
perform Check 2.
Check 2
Wireless LAN card may be faulty. Replace it with a new one following the
instructions in Chapter 4,
Replacement Procedures
. If the problem still occurs,
perform Check 3.
Check3
System board may be faulty. Replace it with a new one following the instructions
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 ...