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Learn how to identify if the power supply unit of a Dell desktop is working. Find steps to troubleshoot issues with power supply units and running a self-test diagnostic on the power supply unit.
Updated: سبتمبر 21, 2026
ID: 000125185
Learn how to troubleshoot a Dell wired, wireless, or Bluetooth mouse that is not working, including cursor, scroll wheel, button, driver, and connection issues.
Updated: سبتمبر 15, 2026
ID: 000124626