Error Codes Wiki

Sidecar iPad Not Detected — iPad as Second Display Connection Error

Warningsystem

Overview

Fix Sidecar not detecting the iPad for use as a secondary display including wireless and wired connection failures between Mac and iPad.

Key Details

  • Sidecar turns an iPad into a secondary display for your Mac, either wirelessly or via USB cable
  • Both devices must be signed into the same Apple ID with two-factor authentication enabled
  • Sidecar supports Apple Pencil for drawing and writing on the Mac's extended display
  • Wireless Sidecar requires Bluetooth, WiFi, and both devices within 10 meters
  • Not all Mac and iPad models support Sidecar — it requires specific hardware generations

Common Causes

  • iPad or Mac model not supported (requires iPad with Apple Pencil support, Mac from 2016+)
  • Devices not signed into the same Apple ID or two-factor authentication not enabled
  • Bluetooth or WiFi disabled on one of the devices for wireless Sidecar
  • USB cable faulty or not an Apple-certified cable (for wired Sidecar)

Steps

  1. 1Verify device compatibility: check Apple's Sidecar system requirements page
  2. 2Ensure both devices are on the same Apple ID with two-factor authentication
  3. 3For wireless: enable Bluetooth and WiFi on both devices, ensure they are within 10 meters
  4. 4For wired: use an Apple-certified USB or USB-C cable and trust the connection on iPad
  5. 5Connect via Control Center (Mac) > Screen Mirroring > select your iPad

Tags

sidecaripadsecond-displaycontinuitywireless-display

Related Items

More in System

Frequently Asked Questions

iPads that support Apple Pencil: iPad Pro (all models), iPad Air (3rd gen+), iPad (6th gen+), iPad mini (5th gen+). The iPad must be running iPadOS 13 or later.