If a Lenovo laptop will not connect to Wi-Fi or keeps dropping, Microsoft's Wi-Fi guide runs from simple to specific: check that Wi-Fi is on and airplane mode is off, restart the laptop and the router, run the network troubleshooter, forget and rejoin the network, and update the wireless driver. Lenovo has an article for network connection issues using the Windows troubleshooter. First split the fault: if a phone on the same network also fails, the router or provider is the problem; if only the laptop fails, the fault is in its settings, driver or wireless card.
ThinkPads and Yogas sometimes have a function key or airplane mode key for wireless, so check that too. Then note the band: the 5 GHz name is faster at short range and 2.4 GHz reaches further.
Differential
Likely causes of “Lenovo ThinkPad T14 Gen 5 will not connect to Wi-Fi or keeps disconnecting”, and how to tell them apart
- 1
Wi-Fi off or airplane mode on
What separates it There is no Wi-Fi option in the taskbar or Settings, or none of the networks will connect
How to confirm Turn Wi-Fi on and airplane mode off; check any wireless function key
- 2
The router or provider
What separates it A phone on the same network also fails to get online, which points at the router or provider
How to confirm Restart the router and modem, as Microsoft says, and contact the provider if it persists
- 3
A stale saved network
What separates it The network shows in the list but will not connect when you select it
How to confirm Forget the network in Settings and then rejoin it with the password
- 4
An outdated wireless driver
What separates it Wi-Fi drops out after an update and did not before it was installed
How to confirm Update the driver through Lenovo Vantage or roll it back
- 5
A card or antenna fault
What separates it No networks appear anywhere after a driver was reinstalled or rolled back
How to confirm Run Lenovo diagnostics; if it fails, the wireless card needs service
Before you touch a setting
Record this first — changing settings destroys the evidence
- Whether a phone works on the same network and on both bands
- What Settings and Device Manager show for the wireless adapter
Try in this order
0 of 7 completedCheck Wi-Fi and airplane mode
ReversibleOpen Settings, Network and internet and check that Wi-Fi is on, and that no wireless function key has switched it off.
Restart the laptop and router
ReversiblePower the router and modem off for a minute, then switch them back on and wait for their lights to settle.
Run the troubleshooter
ReversibleOpen Settings, System, Troubleshoot, Other troubleshooters and run Network and Internet, then follow what it reports.
Forget and rejoin
ReversibleOpen Manage known networks, choose Forget for the network, then join it again and type the password carefully.
Update or roll back the driver
ReversibleUpdate or roll back the driver, by using Lenovo Vantage, or Device Manager, Network adapters.
Try the other band
ReversibleJoin the 2.4 GHz or 5 GHz name, whichever you have not tried, because some routers use different names for the two bands.
Run Lenovo diagnostics
ReversibleRun the wireless test in the maker's diagnostics if nothing helps, so a hardware fault in the adapter is reported clearly.
Model-specific
What is true of this model and not of its siblings
- Wireless by model
- The wireless card differs by model and configuration; the exact card is listed in Device Manager under Network adapters.
- Business networks
- A ThinkPad on a company network may use certificates or a VPN that block a home network until disconnected.
- Repair cost
- A Wi-Fi fault is almost always the router, a driver or a setting, which costs nothing. If the wireless card is at fault, an independent shop repair is typically $99 to $299 with a free diagnostic, per BadgerLayer's 2026 laptop repair guide.
Stop boundary
When this stops being a self-service repair
- !If only the laptop fails on every network after the steps, contact Lenovo Support
- !If the adapter is missing from Device Manager after a driver reinstall and BIOS update, book service
- !If every device fails, contact the internet provider
Evidence ledger
Sources behind this answer
Wi-Fi on, airplane mode, troubleshooter, router restart and drivers.
Lenovo's network troubleshooting article, cited by title.
The ThinkPad T-series business laptop line.
The ThinkPad X1 Carbon ultrabook line.
The Legion gaming laptop line.
The Yoga convertible laptop line.
Exact questions
Common questions
Is the network name the problem?+
If two networks share a name or one has changed its password, the laptop may try the old saved one. Forget it, rejoin and check the name carefully.
What should I check on the router?+
Confirm other devices connect, that the router is not at its device limit and that the network is broadcasting. Restarting it, as Microsoft advises, is the first step.
Does Lenovo have a Wi-Fi article?+
Yes, one for network connection issues using the Windows troubleshooter.