CompTIA A+ Certification Core 1 (220-1101) - Installing and Troubleshooting a PSU

The video tutorial covers the installation and troubleshooting of power supply units (PSUs) for APC technicians. It begins with an introduction to PSU installation, emphasizing safety precautions. The tutorial then demonstrates the installation of both non-modular and modular PSUs, highlighting the differences in cable management. Troubleshooting steps are provided for common PSU issues, including the use of a PSU tester to diagnose problems. The video concludes with a resolution of connection issues, ensuring proper setup and functionality.

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