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