USB Device Might Need More Power Message When Connecting an iPhone to a Dell Laptop

Summary: This article discusses an Insufficient USB Power error when connecting an iPhone to a Dell laptop USB Type-C port.

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.
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Symptoms

Affected Platforms:

  • XPS Laptops
  • Precision Mobile Workstations
  • Latitudes
  • Inspiron Laptops
  • Dell Pro Laptops
  • Dell Pro Plus Laptops
  • Dell Pro Max Laptops
  • Dell Pro Premium Laptops

USB device might need more power message

Note: If an iPhone is connected to the computer during POST, you also receive a similar error during post and a BIOS event is logged. The computer also stops at this error until the end users clicks continue.

BIOS event logged when iPhone is connected to computer during POST

Cause

The iPhone requests a higher power rate (9v/ 12v/ 14.8v/ 15v /18.7-21v) than the computer can provide. The computer can only provide 5v 3A (left side port) and 5v 1.5A (right side port).

Resolution

You can disable the error during post by Enabling Continue on errors:

  1. Boot the computer to the BIOS by pressing the F2 key on the Dell logo.
  2. Go to Post Behavior
  3. Warnings and Errors: Selects an action on encountering a warning or error during boot
  4. Enable Continue on errors

You can disable the Windows error by clearing Notify me if there are issue connecting a USB device.

  1. Right-click the warning in Windows to go to the options for it.
  2. Clear Notify me if there are issue connecting a USB device

Affected Products

Inspiron, Latitude, XPS, Mobile Workstations

Products

Dell Pro, Dell Pro Max, Dell Pro Plus, Dell Pro Premium, Dell Pro Rugged
Article Properties
Article Number: 000223512
Article Type: Solution
Last Modified: 03 Jul 2025
Version:  10
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