Loud fan noise and high CPU usage occurs with the XPS 13 9370

Summary: Learn how to resolve an issue with high CPU usage on the XPS 9370

Article Content


The XPS 13 9370 may experience high CPU usage. The Realtek WavesSysSvc process may show over 20% CPU usage in Task Manager when the system is powered on with a USB audio device attached to a Dell type-C dock/dongle (including TB16, WD15, D6000, DA200 and type-C to type-A dongle etc.).



To resolve this issue, update the Realtek High Definition Audio Driver from the Dell Support website.

SLN310037_en_US__2icon Notes:
  • For more information on uninstalling and installing drivers, refer to Dell Knowledge Base article Drivers and Downloads FAQs.
  • For more information on updating the BIOS, refer to Dell Knowledge Base article Dell BIOS Updates.

Article Properties

Affected Product

XPS 13 9370

Last Published Date

05 Dec 2020



Article Type


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