AMD Provides Tips That May Help Solve PCIe 4.0 USB Issues

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Last updated on December 8th, 2022 at 02:51 pm

AMD Provides Tips That May Help Solve PCIe 4.0 USB Issues

A few weeks ago, complaints began to appear on the web about USB connectivity issues on AMD Ryzen processors systems. There is no general solution, but the manufacturer has provided official recommendations that can resolve the problems that arise.

Ryzen
Ryzen

According to users on the Reddit forum, the problem manifests itself when low-speed devices like mice, keyboards, and headsets periodically shut down for no reason when using a USB 2.0 port. This has been observed on systems with Ryzen 3000 and Ryzen 5000 series processors using 500 and 400 series motherboards (X570, X470, B550, and B450).

As one of the users pointed out, he contacted AMD technical support. He was given several recommendations, developed considering the feedback from users who faced USB ports’ problem. According to Tom’s Hardware resource, these tips may not help everyone, but, apparently, AMD is already approaching the root of the problem. In the meantime, the company offers:

  1. Make sure you are using the latest motherboard BIOS and reset all settings to factory defaults. For instructions on installing or updating the BIOS, visit the motherboard manufacturer’s website;
  2. Check the relevance of the Windows 10 build and, if necessary, update to the latest version. For instructions on how to update Windows 10, you can refer to the article “Updating Windows 10” on the official Microsoft website;
  3. Make sure the system has the latest drivers for AMD chipsets. The latest version of the Ryzen chipset, numbered 2.13.27.501, can be downloaded from this link.
Also Read:   Various Linux systems available for Tuxedo Aura 15 laptop based on AMD Ryzen 7 4700U

If you re-observe USB connectivity issues, AMD advises you to take the following steps:

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  • Switch the PCIe 4.0 bus mode in the BIOS settings to PCIe 3.0 mode;
  • Disable the Global C-State feature in the BIOS.

For more information on the motherboard’s BIOS settings, the company advises looking in the technical manual of the motherboard.

As you can see, most of the tips are basic. Interestingly, AMD does not recommend removing USB ports and USB root hubs in Device Manager and then rebooting the system in its recommendations. Thus, some users were able to solve the problem with the USB connection. At the very least, it seems that AMD narrowed the search for the source of the problem, so it does not consider this advice effective.

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