Legion 5 Series USB-C Issue Investigation

Migliaccio & Rathod LLP is investigating reports that Legion 5-series laptops suffer from USB-C connectivity issues, including intermittent failures to enumerate devices, provide power delivery (PD), or output video. Affected users have reported that these problems often occur unless paired with specific adapters, and efforts to resolve the issues with EC/BIOS updates or daughterboard replacements are sometimes only temporarily effective.

Common USB-C Problems Reported by Legion 5 Owners

Users have experienced various USB-C related issues, including:

  • USB-C not charging or providing reverse power via Power Delivery (PD)

  • Monitors not detected over USB-C (DP Alt-Mode) or unstable video output

  • Devices failing to enumerate properly unless using specific hubs, adapters, or cables

  • Temporary relief after firmware updates or hardware swaps, followed by a recurrence of issues

These issues indicate potential design flaws or compatibility problems with the USB-C ports on the Legion 5 series.

Service Visits Yield Inconsistent Results

Many Legion 5 owners report repeated service visits and cable or dock substitutions as attempts to resolve the issue, but these fixes often provide only partial or short-lived relief. Firmware updates and hardware replacements have yielded inconsistent results, leading to significant frustration for users who rely on USB-C for charging, data transfer, and video output.

Join the Investigation: Legion 5 USB-C Failures

If your Legion 5-series laptop is experiencing USB-C charging issues, data transfer failures, or video output problems under normal use, you may be eligible to participate in our legal investigation.

Fill out the form below to share your experience and learn more about your legal rights. There is no cost to participate.

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