Port & Connector Maintenance Mastery Hub: The Industry Found

When diagnosing a faulty USB-C port exhibiting intermittent data transfer issues, which of the following diagnostic steps, as emphasized in "The Complete USB-C & Thunderbolt Port Repair Course 2026," would be the MOST effective initial approach to isolate the problem from the motherboard itself?

In the context of Thunderbolt 4 port repair, understanding the role of the HPD (Hot-Plug Detect) signal is crucial. According to "The Complete USB-C & Thunderbolt Port Repair Course 2026," what is the primary function of the HPD signal in a Thunderbolt connection, and how can its malfunction manifest as a port issue?

When working with high-density USB-C connectors that are soldered directly to a PCB, as covered in "The Complete USB-C & Thunderbolt Port Repair Course 2026," what is the most critical factor to consider during desoldering to prevent damage to the surrounding sensitive components and the PCB traces?