Wi-Fi Not Working on One Device but Fine on Others? Fix It

It's a weirdly frustrating situation. Every device in the house happily connects to your Wi-Fi, except one. Your phone, or maybe your partner's iPhone, just sits there with the Wi-Fi icon on but no actual internet, while the laptop next to it streams video without a hitch. When wifi not working for one device is the exact problem you're dealing with, the good news is that it's usually fixable in 15 to 30 minutes, and you don't need to be a network engineer to sort it.

This guide walks you through figuring out whether the fault lies with the device or the router, then gives you a step-by-step fix for the most common causes: stale network settings, IP address clashes and routers that have quietly blocked a device.

What You'll Need

• Access to your router's admin settings (usually via a browser at an address like 192.168.1.1)
• Your Wi-Fi password
• A few minutes of uninterrupted access to the troublesome device
• Another working device to compare against (optional but useful)

Step 1: Confirm It's Really Just One Device

Before diving into fixes, double-check the scope of the problem. It's easy to assume it's one device when actually two or three are struggling and you just haven't noticed.

1. Check every device on the network, phones, laptops, tablets, smart TVs, and note which ones work fine.
2. Try the misbehaving device in a different room, close to the router.
3. Try connecting it to a different Wi-Fi network entirely, such as a mobile hotspot, to see if it gets online at all.

If the device connects fine elsewhere but not on your home network, the issue is almost certainly something about how that device and your router are talking to each other, not a broken phone or laptop. That's good news, because it's usually quick to fix.

If you want a wider check of your whole setup before focusing on one device, our guide on how to diagnose home network problems step by step is a useful companion to this one.

Step 2: Check the Basics on the Device

This sounds obvious, but it catches more problems than you'd expect.

1. Turn Wi-Fi off and back on using the toggle in settings.
2. Turn on Airplane Mode for ten seconds, then turn it off again.
3. Restart the device fully, not just a screen lock and wake.
4. Check that you're connecting to the correct network name, especially if you have separate 2.4GHz and 5GHz networks with similar names.

That last point trips up a lot of people. If your router broadcasts both bands separately, one device might be trying to join a band it struggles with. Our piece on 2.4GHz vs 5GHz Wi-Fi explains the differences and why some devices handle one band better than the other.

Step 3: Forget the Network and Reconnect

This is the single most effective fix for wifi not working on iPhone, Android phones, laptops, pretty much anything. Saved network profiles can get corrupted or hold onto outdated settings, especially if your router's password or security type ever changed.

On an iPhone:

1. Go to Settings > Wi-Fi.
2. Tap the (i) icon next to your network name.
3. Tap "Forget This Network" and confirm.
4. Reconnect by selecting the network again and entering the password fresh.

On an Android phone (including Google Pixel 8 Pro):

1. Go to Settings > Network & internet > Internet.
2. Tap the gear icon next to your Wi-Fi network.
3. Tap "Forget" and confirm.
4. Reconnect and re-enter the password.

If you're dealing with wifi not working Google Pixel 8 Pro specifically, it's also worth checking for a pending system update. Pixel phones have occasionally had Wi-Fi bugs introduced or fixed in software updates, so an update can resolve odd connectivity glitches that forgetting the network alone won't fix.

On a laptop (Windows):

1. Go to Settings > Network & Internet > Wi-Fi > Manage known networks.
2. Select your network and click "Forget".
3. Reconnect and enter the password.

Forgetting and rejoining forces the device to request a fresh IP address and renegotiate security settings with the router, clearing out most minor glitches.

Step 4: Check for an IP Address Clash

If forgetting the network didn't help, the device might be stuck with an IP address that's already in use by something else on your network. This is a common cause when wifi not working for some devices but not others, particularly if you've set static IP addresses in the past or have a lot of smart home gadgets.

1. Log into your router's admin panel through a browser.
2. Find the list of connected devices (often under "Device List", "Clients" or "Attached Devices").
3. Check whether any two devices show the same IP address.
4. If you find a clash, restart both devices, that usually forces them to request new, unique addresses from the router.
5. If the problem persists, check if the affected device has a manually set static IP. If so, either remove it or change it to an address outside your router's automatic range.

Most home routers hand out addresses automatically, so manual IP clashes are less common than they used to be, but they still crop up on devices that were set up for things like port forwarding or a home lab project. If you're running a more involved home network with multiple switches or access points, our home network wiring guide might help you understand how everything connects.

Step 5: Check Whether the Router Has Blocked the Device

Some routers include parental controls, guest network limits or device-blocking features that can silently cut off a single device, sometimes by accident.

1. In your router's admin panel, look for sections called "Access Control", "Device Management", "Parental Controls" or similar.
2. Check whether the troublesome device appears on a blocked list.
3. If it's blocked, remove the restriction or whitelist the device.
4. Check if the device was accidentally assigned to a guest network with limited access, rather than your main Wi-Fi.
5. Look for any MAC address filtering settings and confirm the device's MAC address is permitted.

This step solves more problems than people expect, especially in households where someone enabled parental controls years ago and forgot about them entirely.

Step 6: Update Drivers, Firmware and Software

Outdated software on either end can cause one specific device to fall out of sync with your network.

1. On the device, check for and install any pending operating system updates.
2. On laptops, update the Wi-Fi adapter driver through Device Manager (Windows) or System Settings (Mac).
3. On the router, check for firmware updates through the admin panel, usually under "Administration" or "Firmware Update".
4. Restart both the device and the router after updating.

Firmware updates on routers often include fixes for compatibility issues with specific phone models, so this step is worth doing even if it feels unrelated to your immediate problem.

Step 7: Test Speed and Stability Once Reconnected

Once the device reconnects properly, it's worth confirming the connection is actually solid, not just present.

1. Run a proper speed test on the device using our guide to running accurate broadband speed tests.
2. Compare the results to another device on the same network.
3. If speeds are low or inconsistent, read through why is my Wi-Fi slow for further troubleshooting.

If the connection keeps working for a while then dropping, that's a slightly different problem with its own set of fixes, covered in Wi-Fi keeps dropping, 10 ways to fix it.

Common Mistakes to Avoid

• Restarting the router first. This fixes network-wide problems, not single-device ones, and wastes everyone else's connection unnecessarily.
• Ignoring the band difference. A device that only supports 2.4GHz won't connect to a 5GHz-only network, and vice versa, no matter how many times you forget and rejoin.
• Overlooking guest networks. Some smart speakers or TVs get accidentally connected to a guest network with a time limit or restricted access.
• Skipping firmware updates. Compatibility bugs between specific phone models and router firmware are more common than people assume.
• Assuming it's always the device's fault. Sometimes the router's device list is simply wrong or outdated and a clash is the real cause.

Conclusion

When wifi not working for one device is your exact problem, the fix is almost always one of a short list of things: a stale saved network profile, an IP address clash, or a router-side block you forgot about. Working through forgetting the network, checking for clashes, and reviewing access control settings on your router solves the vast majority of cases without needing new hardware. If the issue turns out to be bigger than one device, or your whole house struggles with coverage, it might be worth looking at whether your current setup matches your home, starting with what size router do I need for my house.

FAQ

Why is Wi-Fi not working on my iPhone but working on other devices?

This usually points to a saved network profile issue on the iPhone itself. Forget the network in Settings > Wi-Fi, restart the phone, then reconnect with the password entered fresh. If that doesn't help, check whether the iPhone is trying to join a 5GHz band it has trouble reaching, or whether it's been accidentally blocked in your router's device list.

Why is my phone not connecting to Wi-Fi when everything else works?

The most likely causes are a corrupted saved network, an IP address clash, or the phone being on a different band or guest network than you expect. Work through forgetting the network and checking the router's connected devices list, which resolves this in most cases.

Why is Wi-Fi not working on my Google Pixel 8 Pro specifically?

Pixel phones occasionally have software bugs affecting Wi-Fi that get fixed in subsequent updates. Check for a pending system update first, then try forgetting and rejoining the network. If the problem persists, check the router's admin panel for any blocks or restrictions tied to the phone's MAC address.

Could it be my router instead of the device?

It's possible, but less likely if only one device is affected while everything else connects fine. To rule this out, try connecting a different device to the same spot in the house where the problem device struggles. If that second device also fails, the issue is more likely with the router or that location, not the original device.

Do I need to reset my whole router to fix this?

Usually not. A full router reset affects every device on the network and wipes your settings, which is excessive for a single-device problem. Try the steps in this guide first; a router reset should be a last resort if nothing else works.

What if the device connects to Wi-Fi but still has no internet?

This often points to a DNS or IP address issue rather than a connection problem. Try forgetting the network and rejoining, and check the router's device list for an IP clash. If every device shows this symptom, it's more likely a broader network issue worth investigating with our step-by-step diagnosis guide.