Toshiba Qosmio Personal Computer X500 - Manual (Page 77)

Troubleshooting Procedures
Qosmio X500 Maintenance Manual (960-Q08) 33
Check 2 Modem cable may be faulty. Replace it with a new one. If the problem still occurs,
perform Check 3.
Check 3 MDC may be faulty. Replace it with a new one following the steps in Chapter 4. If
the problem still occurs, perform Check 4.
Check 4 Cable between MDC and system board may be faulty. Replace it with a new one
following the instructions in Chapter 4. If the problem still occurs, perform Check
5.
Check 5 System board may be faulty. Replace it with a new one following the instruction in
Chapter 4.