6 TROUBLESHOOTING 65 Solving Problems 65 Printing Problems 66 Memory Problems 66 Mouse Problems 67 PC Card Problems 67 PCI Board problems 67 Drive problems 67 Serial and Infrared Communications Problems 68 Parallel Port Problems 68 Sound Problems 68 General Operating Problems 68 Display Problems 69 Keyboard Problems 69 Power and Startup Problems 69 Lockup Problems 72 4