AMD Ryzen, Athlon Processor Defect Class Action Lawsuit Investigation | #itsecurity | #infosec


Stuttering problems with AMD Ryzen or Athlon computer processors: who’s affected?

(Photo Credit: Rod Senna/Flickr)

Has your computer had performance problems? Does it use an Advanced Micro Devices (AMD) Ryzen or Athlon processor? 

Popular computers (especially gaming computers) including HP, Lenovo, Razer, Dell, Alienware, Asus, MSI, Acer, and Microsoft Surface PCs and laptops equipped with AMD Ryzen or Athlon processors, may suffer from a defect affecting video, audio, and gameplay performance. The defect can cause stuttering of playback when watching videos, listening to music, playing video games, and even video conferencing.

AMD Ryzen and Athlon Processors caused frustrating stuttering issues when users tried to play video games, watch movies or participate in video conferences, according to consumer complaints. Other issues included a quick drop in frame rates and “robotic” sounding audio.

AMD reportedly acknowledged the problem, but the company’s immediate solution was to force consumers to pay $20 to $60 for new microchips, depending on the consumer’s motherboard make. Consumers were also required to install the hardware themselves, according to an article by The Verge.

Further, AMD users reported performance issues for months before the company acknowledged the glitch. The company says it traced the problem to “extended fTPM-related memory transactions in SPI flash memory (“SPIROM”) located on the motherboard.”

The problem is caused by a defective design of certain AMD CPUs with onboard computer security modules called Trusted Platform Modules (“TPMs”). In addition to the stuttering issues above, the defective design may make PC and laptops vulnerable to certain cyberattacks.

Do You Qualify?

Those affected by the defect may include anyone who bought a laptop or PC with AMD Ryzen or Athlon processors from January 2019 to the present from any of the following manufacturers:

  • HP 
  • Lenovo 
  • Razer
  • Dell/Alienware
  • MSI
  • Acer
  • Asus
  • Microsoft/Surface
  • Self-built
  • Other manufacturer with AMD-processor

To determine what kind of processor you have, ​​navigate to Settings > System > About. Look under “Device specifications.” The name of your computer’s processor and its speed are displayed to the right of “Processor.”

Fill out the form on this page for more information.

Short-term fix for defective AMD processors

AMD acknowledged the stuttering issue caused by its processor, and in March 2022, the company recommended a short-term solution. The solution required users to switch to a hardware-based dTPM (a discreet Trusted Platform Module), an enhanced security feature that could cost $60 or more. 

AMD also told users they would need to disable TPM-backed encryption systems such as BitLocker Drive Encryption, a data protection feature for Windows. 

To make matters worse, this solution was reportedly not feasible for laptops. The company promised a permanent fix would be available in May, but the company had not announced the release of the fix by early June.

Join an AMD Ryzen Lawsuit Investigation

If you purchased a computer with a faulty AMD or Athlon processor that caused video glitches like stuttering screens or robotic audio, you may be eligible to participate in a lawsuit.

Fill out the form on this page for a FREE case evaluation.



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