Troubleshooting laptop network problems is normally straightforward, provided you follow some sort of step-by-step process.
For diagnosing and fixing a few of the most common issues, try the following:
### 1. **Check Physical Connections**
- Check if your laptop is connected to the network .
- If using Ethernet, ensure proper connections of cable and port.
Wi-Fi Turn on the Wi-Fi switch, if your laptop has one.
### 2. **Restart Devices**
- Restart your laptop.
- Restart your router and modem. Pull their plugs for about 30 seconds and then plug them back in.
### 3. **Check Wi-Fi Settings**
- Ensure that your laptop has Wi-Fi enabled.
- Ensure that you are attached to the right network.
- Forget the network by reconnecting and re-enter the password.
### 4. **Run the Network Troubleshooter (Windows)**
- Go to **Settings > Network & Internet > Status**.
- Click on **Network troubleshooter** and follow the prompts.
### 5. **Update Network Drivers
- In the Start button, right-click and open **Device Manager**.
- In the opened **Device Manager**, expand **Network adapters**, right click on your adapter, and click **Update driver**.
### 6. **IP Configuration Check**
- Press the Windows key and search for `cmd` in the Start menu to open up a Command Prompt.
- In the Command Prompt, type `ipconfig` and hit Enter. You should see whether you have a valid IP address, something like 192.168.x.x.
- Otherwise, write `ipconfig /release` and then `ipconfig /renew`.
### 7. **Flush DNS Cache**
- Run Command Prompt; in this window, enter the command `ipconfig /flushdns` and click Enter.
8. **Disable Security Software Temporarily**
- Sometimes, firewalls or antivirus software may interfere with your connection. Temporarily disable them to observe whether the issue would still persist.
### 9. **Check for Windows Updates
- Ensure your operating system is current by navigating to **Settings > Update & Security > Windows Update**.
### 10. **Check for Network Conflicts**
- Ensure that no other device connected to the network is creating an IP conflict. You may check the list of connected devices from your router admin page.
### 11. **Network Settings Reset
- Reset your network settings as a last resort. This will clear saved Wi-Fi password.
- In Windows: **Settings > Network & Internet > Status > Network reset**.
- In macOS: Go to **System Preferences > Network**, remove and then re-add the Wi-Fi interface.
### 12. **Check for Hardware Issues **
- If problems continue, try testing with a different network or with another device on the same network to determine if the issue is with the laptop or the network.
### 13. **Consult Logs and Reports**
- For further troubleshooting, check event logs for errors regarding network connectivity.
If this is done in such steps and the problem remains, then a consultation with your ISP or a qualified professional technician would be worth consideration.