3 Troubleshooting and Diagnostics This chapter includes troubleshooting and diagnostic information for testing the functionality of the OmniBook and identifying faulty modules: • Troubleshooting information Ё Troubleshooting the problem (page 3-2). Ё Verifying the repair (page 3-3). Ё Suggestions for troubleshooting (page 3-4). • Diagnostic tools Ё OmniBook hardware diagnostic program (page 3-12). Ё Power-on self-test (page 3-17). Ё Sycard PCCtest 450 PC Card (page 3-17). Ё Desktop Management Interface (page 3-21). Ё BIOS Setup utility (page 3-23). HP OmniBook 2100/3000/3100 Troubleshooting and Diagnostics 3-1