Wi-Fi Works on Your Phone But Not Your Laptop

Your phone is streaming video on the Wi-Fi without complaint. The laptop, three feet away, either refuses to connect, connects and then shows no internet, or drops out every few minutes.

That split is the most useful diagnostic information you will get all day. One device working on a network and another failing on the same network proves three things at once:

• Your internet provider is up.
• Your modem and router are working and handing out addresses.
• The Wi-Fi signal reaches that spot in the room.

Every router reboot, every call to your provider, every check of the status lights — all of it is wasted effort. The fault is on the laptop, and this guide is a decision tree for finding which part of it.

If the phone also fails, you are in the wrong guide. Start with Wi-Fi connected but no internet on every device instead.

Narrow it down first

Spend thirty seconds matching your symptom to a column. It saves working through fixes for a problem you do not have.

Step 1 — Forget the network and rejoin

This is first because it is the highest-yield fix and it takes under a minute. It clears the saved password, the cached gateway address, the stale DHCP lease and any per-network proxy setting in one action.

• Windows 11: Settings → Network & internet → Wi-Fi → Manage known networks → select the network → Forget. Then reconnect and enter the password.
• macOS: System Settings → Wi-Fi → Details next to the network → Forget This Network.

Have the password in hand before you start. If you do not have it, your phone can show it to you — see how to find a saved Wi-Fi password.

Step 2 — Renew the IP address

If rejoining did not help, the laptop may be holding a bad address or a conflict with another device on the network.

Open Terminal or Command Prompt as administrator on Windows — right-click the Start button and choose Terminal (Admin) — then run these in order:

ipconfig /release
ipconfig /renew
ipconfig /flushdns

Then check what you actually got:

ipconfig /all

The important lines are under your Wi-Fi adapter:

• IPv4 Address starting 169.254. — the laptop failed to get an address from the router at all. That is DHCP failing, not DNS.
• IPv4 Address like 192.168.x.x or 10.x.x.x — the router did respond, so addressing is fine and the problem is further along.
• Default Gateway blank — no route out. Rejoin the network and run the renew again.

If that is still not it, reset the two network components Windows most often corrupts:

netsh winsock reset
netsh int ip reset

Restart the laptop after those two. They do not take effect until you do. Neither command deletes your saved Wi-Fi passwords — that is the full network reset, which comes much later.

Step 3 — Update or reinstall the Wi-Fi driver

If the problem began after a Windows update, or after waking from sleep started behaving oddly, go straight here.

Reinstall the existing driver first. This is faster than hunting for a download and fixes a corrupted install:

1. Right-click Start → Device Manager.
2. Expand Network adapters and find the wireless entry (it will say “Wireless”, “Wi-Fi”, “AX” or a chipset name like Intel AX201, Realtek or Qualcomm).
3. Right-click → Uninstall device. If offered Delete the driver software for this device, leave it unticked for now.
4. Restart. Windows reinstalls the adapter automatically on boot.

If that does not fix it, get the proper driver. Go to your laptop manufacturer’s support page — Dell, HP, Lenovo, ASUS, Acer — look up your exact model number, and download the wireless driver from there. Do not use a generic driver-updater tool; those are the single most reliable way to install the wrong driver.

You will need another way to get the file onto the laptop. A USB stick, or tethering the laptop to your phone over USB, both work.

Step 4 — Adapter power management

This is the one almost nobody checks, and on laptops it causes an enormous share of “works for a while then drops” cases. Windows is allowed to switch the Wi-Fi radio off to save battery, and on some adapters it does not reliably switch back on.

There are two separate settings, in two different places, and you need both.

Device Manager setting:

1. Device Manager → Network adapters → your wireless adapter → Properties.
2. Power Management tab.
3. Untick Allow the computer to turn off this device to save power.
4. OK.

Power Plan setting:

1. Control Panel → Power Options → Change plan settings → Change advanced power settings.
2. Expand Wireless Adapter Settings → Power Saving Mode.
3. Set both On battery and Plugged in to Maximum Performance.

That second one is buried in the legacy Control Panel and it is not mirrored in the modern Settings app. It is worth the clicks.

If your symptom is specifically repeated dropping rather than never connecting, laptop Wi-Fi keeps disconnecting goes into the rest of that case in detail.

Step 5 — VPN and proxy settings

A VPN that disconnected badly leaves the network stack routing traffic into a tunnel that no longer exists. The laptop shows a healthy Wi-Fi connection and nothing loads — while the phone, which has no VPN, is perfectly fine.

• Disconnect the VPN and quit the client entirely, not just disconnect.
• Windows → Settings → Network & internet → Proxy. Confirm Use a proxy server is off and Automatically detect settings is on.
• Check corporate security software too. A managed laptop on a home network is a classic case of this, because the filtering agent expects the office network.

When the network is not even listed

If your home network does not appear in the list at all while the phone sees it:

Confirm the adapter is on. Many laptops have a physical wireless switch or an Fn key combination (often F2, F3 or F12 with a radio-tower icon). Check that Airplane mode is off in Settings → Network & internet.

Check the band. Your phone may be on 5GHz while the laptop’s adapter is 2.4GHz only, or vice versa. If your router broadcasts both bands under separate names, try connecting to the other one. If it uses one name for both, log into the router and temporarily split the bands to test.

Some routers broadcast 5GHz on a DFS channel (52–144). Phones and laptops have different region certifications, and a laptop may be legally barred from using that channel, so the network is simply invisible to it. Setting the router to a non-DFS 5GHz channel — 36, 40, 44 or 48 — fixes it immediately.

What not to do

• Do not reset the router. The phone works. The router is innocent. Pressing reset wipes your network name and password and creates a second problem.
• Do not call your provider. They will ask whether other devices work, and the answer is yes, which ends the call.
• Do not install a driver-updater utility. They install mismatched drivers and frequently make a working adapter worse.
• Do not jump straight to Network reset. Settings → Network & internet → Advanced network settings → Network reset deletes every saved Wi-Fi network and password plus all VPN configurations on that laptop, then restarts after five minutes. It does fix stubborn cases, but it is a last resort and you need every Wi-Fi password you use written down first.
• Do not set a static IP to “fix” DHCP unless you know the router’s range. A static address that collides with the DHCP pool causes intermittent failures that are much harder to diagnose later.

What to expect

Most of these resolve in the first two steps. Forgetting and rejoining the network clears the majority of “connects but no internet” cases on a laptop, and the IP renew handles most of the rest.

If the laptop fails on every Wi-Fi network you try — a friend’s house, a café, your phone’s hotspot — the adapter or its driver is the problem rather than anything to do with your network, and the driver reinstall in step 3 is the fix that matters.

If the connection works but is simply slow, that is a different shape of problem: Wi-Fi slow with a strong signal covers it.