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.

What is a key safety step to take before handling a power supply?

• Use a grounding strap

• Unplug the power supply

• Wear rubber gloves

• Turn off the computer

What is one advantage of using a modular power supply?

• It is more powerful

• It has pre-attached cables

• It is cheaper than non-modular

• It allows for better cable management

What should you check if your system has no power after installing a PSU?

• The size of the PSU

• The brand of the PSU

• The PSU switch position

• The color of the cables

What tool can be used to diagnose power supply issues?

• Multimeter

• Screwdriver

• ATX tester

• Cable tester

What should you do if the PSU values match the vendor specifications but the system still has issues?

• Update the BIOS

• Change the motherboard

• Re-seat the cables

• Replace the PSU

What is a common symptom of a failing PSU?

• High CPU temperature

• Slow internet speed

• Loud fan noise

• Random system reboots

Why is it important to document troubleshooting findings?

• To improve system speed

• To sell the system

• To prevent future issues

• To share on social media