Dell Pro Max 14 MC14250 CPU Performance Drop Issue

Summary: Learn what to do about CPU performance drops on a Dell Pro Max 14 MC14250 when a 65 W power adapter is connected to it.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.

Symptoms

A Dell Pro Max 14 MC14250 with a unified memory architecture (UMA) configuration may experience CPU performance drops. The battery may drop 3% to 5% even with the power adapter connected. This only occurs when two USB devices (one USB Type-C and one USB Type-A) are connected to the Dell Pro Max MC14250 simultaneously while the 65 W power adapter is connected.

Affected Platform:

  • Dell Pro Max 14 MC14250

Cause

The 65 W adapter does not provide enough power for the Dell Pro Max 14MC14250 and two connected USB devices simultaneously.

Resolution

Remove a USB device from the Dell Pro Max 14 MC14250 while the 65 W power adapter is connected.

Affected Products

Dell Pro Max 14 MC14250
Article Properties
Article Number: 000311960
Article Type: Solution
Last Modified: 15 Sept 2025
Version:  3
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