LCD angle sensor for MacBook Air 15" (A3241, 2025)
LCD angle sensor for MacBook Air 15" (A3241, 2025) – 2
LCD angle sensor for MacBook Air 15" (A3241, 2025) – 3
LCD angle sensor for MacBook Air 15" (A3241, 2025) – 4
LCD angle sensor for MacBook Air 15" (A3241, 2025)
LCD angle sensor for MacBook Air 15" (A3241, 2025) – 2
LCD angle sensor for MacBook Air 15" (A3241, 2025) – 3
LCD angle sensor for MacBook Air 15" (A3241, 2025) – 4

LCD angle sensor for MacBook Air 15" (A3241, M4, 2025)

Apple
ECR-A3241-DALLE-N
Out-of-Stock
€23.90
Tax included

LCD angle sensor for MacBook Air 15" (A3241, M4, 2025) — new or refurbished original spare part, individually inspected and guaranteed, so that your Mac goes back to sleep when you close the screen and wakes up when you open it. Order from Place du Mac, the French Mac spare parts specialist — fast, tracked shipping.

Product condition
Out-of-Stock

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LCD angle sensor for MacBook Air 15" (A3241, M4, 2025)

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📖 Repair guide: Replacing a MacBook screen: steps and post-replacement faults · Mac screen warranty: what's covered, what's not · What every screen goes through before it reaches you

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Overview

LCD angle sensor for MacBook Air 15" (A3241, M4, 2025) — the screen angle sensor (LAS, Lid Angle Sensor). Located at the hinge, it measures how far the screen is open: it is what tells the Mac when to go to sleep and when to wake up.

Common symptoms: the Mac no longer goes to sleep when you close the screen, does not wake up when you open it, or macOS Repair Assistant reports a problem with the angle sensor.

Good to know: each MacBook generation has its own sensor, and a part designed for another model will not necessarily fit. Check your model number before ordering. After fitting, macOS Repair Assistant may ask you to calibrate the sensor: this is normal.

Tested and working part: every unit is checked in our technical workshop before shipping.

Not sure of your model? Turn your Mac over: the reference (e.g. A1502) is engraved underneath. You can also identify it via the Apple menu > “About This Mac”. Then check that your model appears in the compatibility table below.

Technical specifications

Part typeScreen angle sensor (LAS)
BrandApple (original part)
ConditionTested and working
Warranty2 years (legal warranty)
ReferenceECR-A3241-DALLE

Compatibility

Model Processor Year Model number EMC Identifier Screen
MacBook Air (15-inch, M4, 2025)2.9 / 4.4 GHz2025A3241EMC 8782Mac16,132880 × 1864
Type
Screen
Key point 1
COMPATIBILITY: Compatible with MacBook Air 15" A3241 2025.
Key point 2
FIXES: Screen not turning off when closed.
Key point 3
FIXES: Mac not going to sleep when the lid is closed.
Key point 4
REFERENCE: APN 661-50128 — MPN 821-05163-B.
Key point 5
INSTALLATION: Replacement recommended by a qualified technician. Specific tools required (Pentalobe P5 screwdriver, spudger).
Year
2025
Compatible models
A3241
Apple part number
661-50128
Model identifier
Mac16,13
Compatible EMC
8782
Part number
661-50128, 821-05163-B
3701655962732

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