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XPS 17 9720 Service Manual

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Dell SupportAssist Pre-boot System Performance Check diagnostics

About this task

SupportAssist diagnostics (also known as system diagnostics) performs a complete check of your hardware. The Dell SupportAssist Pre-boot System Performance Check diagnostics is embedded with the BIOS and launched by the BIOS internally. The embedded system diagnostics provides options for particular devices or device groups allowing you to:
  • Run tests automatically or in an interactive mode.
  • Repeat the tests.
  • Display or save test results.
  • Run thorough tests to introduce additional test options to provide extra information about one or more failed devices.
  • View status messages that inform you the tests are completed successfully.
  • View error messages that inform you of problems encountered during testing.
NOTE:Some tests for specific devices require user interaction. Always ensure that you are present at the computer terminal when the diagnostic tests are performed.

For more information, see the knowledge base article 000180971.

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