Dell Wyse 5470 Service Manual
Also see for Wyse 5470: Service manual
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Contents
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Troubleshooting your systemYou can troubleshoot the thin client by using indicators such as diagnostic lights and error messages during the operation of the device.Additionally, you can use Enhanced Pre-Boot System Assessment (ePSA) diagnostics to carry out complete diagnosis and troubleshootingof thin clients.Topics:• Enhanced Pre-Boot System Assessment diagnostics• Power behavior• Power state and LED statusEnhanced Pre-Boot System AssessmentdiagnosticsAbout this taskThe Enhanced Pre-Boot System Assessment (ePSA) diagnostics, also known as system diagnostics performs a complete check of yourhardware. The ePSA is embedded with the BIOS and is launched by the BIOS internally. The embedded system diagnostics provides a setof options for particular devices or device groups, enabling you to:• Run tests automatically or in an interactive mode• Repeat tests• Display or save test results• Run thorough tests to introduce additional test options to provide extra information about the failed devices• View status messages that inform you if tests are completed successfully• View error messages that inform you of problems encountered during testingCAUTION: Use the system diagnostics that comes with your software to test only your thin client. Using this programwith other thin clients may cause invalid results or error messages.NOTE: Some tests for specific devices require user interaction. Always ensure that you are present at the thin clientterminal when the diagnostic tests are performed.Running the ePSA diagnosticsSteps1. Start up the thin client.2. As the thin client boots, press the F12 key.4Troubleshooting your system 53 |
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