This chapter includes troubleshooting and diagnostic information for testing the functionality of the notebook, and for identifying faulty modules: • Troubleshooting information Ќ Troubleshooting the problem (page 3-3). Ќ Verifying the repair (page 3-3). Ќ Suggestions for troubleshooting (page 3-4). • Diagnostic tools Ќ DiagTools diagnostic program (page 3-17). Ќ Power-on self-test (page 3-24). Ќ Sycard PCCtest 450 PC Card (page 3-27). Ќ Desktop Management Interface (page 3-28). Ќ BIOS Setup utility (page 3-30). HP OmniBook XE3 Troubleshooting and Diagnostics 3-1