Direct answer
For the Apple MacBook Air (M2), one network, all networks, VPN/security software, driver and radio hardware produce different fixes. First, test another device on the same network and this computer on another known network.
What this covers
- Apple MacBook Air (M2) (2022/2023 M2)
- Apple Mac family; processor generation, ports, external-display limits and macOS eligibility vary.
- The specific fault this record addresses: will not connect to Wi-Fi or keeps disconnecting
What it does not cover
- ×The same symptom on a different Apple product line, which has its own record and its own cited source
- ×An on-screen error code whose meaning has not been checked against this exact model's manual
- ×Live electrical, gas, sealed-system, internal battery-cell or structural repair — a technician boundary, not a self-service step
Differential
What actually causes this, and how to tell them apart
These are ordered by how often each one is the answer, not by how easy it is to try. The point of the middle column is that two causes producing the same headline symptom rarely produce the same detail — that detail is what tells you which one you have before you change anything.
- 1
The problem is the network rather than the computer
What separates it Other devices on the same network are also slow or disconnected.
How to confirm Test a phone on the same network before changing anything on the computer. This costs seconds and prevents a long investigation of the wrong device.
- 2
The saved network profile is corrupted
What separates it One specific network fails while others work normally, often after a router or password change.
How to confirm Forget the network and rejoin it. This resolves a large share of single-network problems and is far less disruptive than a full network reset.
- 3
A VPN or security product is interfering
What separates it The machine reports being connected but nothing loads, or a specific service fails.
How to confirm Disable the VPN or security suite for one test. Both commonly sit between the machine and the network.
- 4
The signal is marginal at that location
What separates it Problems in one room only, improving closer to the router.
How to confirm Check the signal strength the machine reports rather than assuming from another device's experience.
- 5
Power management is switching the adapter off
What separates it The connection drops after a period of inactivity or on waking from sleep, and returns after a manual reconnect.
How to confirm Both Windows and some laptop firmware allow the wireless adapter to be powered down to save energy, which produces exactly this pattern.
Before you touch a setting
Record this first — changing settings destroys the evidence
Every item below stops existing the moment a reset, re-pair or settings change is made. Written down first, they are what separates the causes above; recovered afterwards, they are guesswork.
- Whether other devices on the same network are affected — this single comparison eliminates most possibilities.
- Whether one network fails or all of them do.
- Whether the machine reports being connected while nothing loads, which points at DNS, a VPN or a captive portal rather than the radio.
- Whether the drop follows sleep or a period of inactivity.
Test another device on the same network first
ReversibleThis establishes in seconds whether the problem is the computer or the network, and prevents investigating the wrong one.
Forget the affected network and rejoin it
ReversibleThis fixes a large share of single-network problems and is far less disruptive than a full network reset.
Disable any VPN or security suite for one test
ReversibleBoth sit between the machine and the network and commonly cause connected-but-nothing-loads.
Check the reported signal strength where the problem happens
ReversibleMarginal signal in one room is a different problem from a machine that cannot connect anywhere.
Check whether power management is switching the adapter off
ReversibleDrops that follow sleep or inactivity and clear on manual reconnect point directly at this.
Model-specific
What is true of this model and not of its siblings
Generic advice for the product line fails here. Each item below is a property of this specific model family that changes which of the steps above apply to you.
- Model scope
- 2022/2023 M2. Apple Mac family; processor generation, ports, external-display limits and macOS eligibility vary.
- Platform — macOS on Apple Silicon (M2)
- The M2 MacBook Air, running macOS. Soldered unified memory; native arm64 apps direct, Intel via Rosetta 2; no native x86 Windows. Single external display with the lid open.
- Fanless — throttles under sustained load
- Fanless; throttles under long heavy loads by design.
- Single external display
- The M2 Air drives only ONE external display (regardless of lid) — a documented limit, so a second monitor not working is expected, not a fault; a DisplayLink dock is a workaround.
- Power path
- Internal or removable battery. Every capability that costs current — night vision, higher stream quality, longer recordings, frequent events — is paid for in runtime, so a change in behaviour after a settings change is usually a power consequence rather than a fault. Cold weather reduces usable capacity sharply.
- Symptom boundary
- This record covers Apple MacBook Air (M2) when it will not connect to Wi-Fi or keeps disconnecting. A different symptom on the same hardware, or this symptom on a different Apple product line, has its own record with its own causes and its own cited source.
Stop boundary
When this stops being a self-service repair
Continuing past any one of these costs more than the repair saves — in safety, in warranty, or in evidence a technician needs.
- !Do not weaken router security or disable encryption to work around a connection problem.
- !A full network reset clears every saved network and VPN configuration on the machine — use it last, and have your passwords available.
Evidence ledger
Sources behind this answer
Visible sources support the visible claims. Home Product Support records the publisher, the fact used and the review date; community reports can suggest an issue but do not become a published fact on their own.
Where the manufacturer's article stops. Apple Support publishes this as "If your Mac isn't connecting to the internet over Wi-Fi". Apple's Mac Wi-Fi article. Probed 2026-08-23: title-verified. What that article does not carry is the model boundary — it is written for a product line, and 2022/2023 M2 is the scope applied here. Where a control label, terminal, indicator pattern or reset sequence differs on your unit, the manual for that exact model is the authority, not this page and not the article.
Exact questions
Common follow-ups
My MacBook Air M2 only supports one external monitor.+
That is a hardware limit of the base M2 chip — the M2 MacBook Air can drive only one external display at a time (plus its built-in screen), so a second external simply will not get a picture. It is documented, not a fault. Workarounds are a DisplayLink-based dock (which adds displays over USB using software) or mirroring. Higher chips (M-series Pro/Max) and later Airs support more external displays.
Only my laptop has Wi-Fi trouble; everything else is fine.+
That localises it to the machine, which is useful. Start by forgetting that specific network on the laptop and rejoining it — a corrupted saved profile is the most common cause and this fixes it without the disruption of a full network reset. If it drops specifically after sleep, check whether power management is switching the wireless adapter off.
It says connected but nothing loads.+
That is not a radio problem — the connection to the router is fine. Look at what sits between the machine and the internet: a VPN, a security suite, a DNS setting, or a network that requires a browser sign-in. Disabling the VPN or security product for one test usually identifies it.
Does this answer apply to every Apple model?+
No. It is scoped to 2022/2023 M2. Apple Mac family; processor generation, ports, external-display limits and macOS eligibility vary.
What should I record before troubleshooting Wi-Fi or disconnecting?+
Record the complete model identifier, exact message or indicator, software/firmware where visible, the operating stage and what still works.
Why is a factory reset not the first step?+
A reset can erase accounts, networks, maps, schedules or preferences without distinguishing Wi-Fi, disconnecting. The ordered checks preserve that evidence.
When should I stop and use qualified service?+
Preserve managed network settings and do not weaken security.
Answer for the exact device and software version shown above.