This chapter includes troubleshooting and diagnostic information for testing the functionality of the OmniBook and identifying faulty modules: • Troubleshooting information Ќ Troubleshooting the problem (page 3-2). Ќ Verifying the repair (page 3-3). Ќ Suggestions for troubleshooting (page 3-4). • Diagnostic tools Ќ OmniBook hardware diagnostic program (page 3-11). Ќ Power-on self-test (page 3-16). Ќ Desktop Management Interface (page 3-20). Ќ BIOS Setup utility (page 3-22). HP OmniBook XE2 Troubleshooting and Diagnostics 3-1