Troubleshooting system startup failureIf you boot the system to the BIOS boot mode after installing an operating system from the UEFIBoot Manager, the system stops responding. To avoid this issue, you must boot to the same bootmode in which you installed the operating system.For all other startup issues, note the system messages that appear on the screen.Troubleshooting external connectionsBefore troubleshooting any external devices, ensure that all external cables are securely attachedto the external connectors on your system before troubleshooting any external devices.Troubleshooting the video subsystemProcedure1. Check the system and power connections to the monitor.2. Check the video interface cabling from the system to the monitor.3. Run the appropriate diagnostic test.ResultsIf the tests run successfully, the problem is not related to video hardware.If the tests fail, see the Getting help section.Troubleshooting a USB deviceBefore you beginNote: Follow steps 1 to 6 to troubleshoot a USB keyboard or mouse. For other USB devices, goto step 7.Procedure1. Disconnect the keyboard and/or mouse cables from the system and reconnect them.2. If the problem persists, connect the keyboard and/or mouse to another USB port on thesystem.3. If the problem is resolved, restart the system, enter System Setup, and check if the non-functioning USB ports are enabled.Note: Older operating systems may not support USB 3.0.4. Check if USB 3.0 is enabled in System Setup. If enabled, disable it and see if the issue isresolved.5. In iDRAC Settings Utility, ensure that USB Management Port Mode is configured asAutomatic or Standard OS Use.6. If the problem is not resolved, replace the keyboard and/or mouse with a known workingkeyboard or mouse.If the problem is not resolved, proceed to step 7 to troubleshoot other USB devicesattached to the system.Troubleshooting your system202 Dell PowerEdge R430 Owner's Manual
