Connected to Wi-Fi but Can’t Access Internet
Mac
Verify Connection
- Go to System Settings > Wi-Fi, ensure connected to your router with a valid IP address (e.g., 192.168.x.x).
- Test by opening a browser and visiting google.com. If it fails, proceed.
Restart Devices
- Restart your Mac (Apple Menu > Restart).
- Unplug the router for 30 seconds, then reconnect.
Check Network Settings
- Go to System Settings > Network > Wi-Fi > Details.
- Ensure DHCP is selected (automatic IP). If manual, renew lease (click Renew DHCP Lease).
- Set DNS to 8.8.8.8 (Google) or 1.1.1.1 (Cloudflare) under DNS tab.
Run Wireless Diagnostics
- Hold Option (⌥), click Wi-Fi icon in menu bar, select Open Wireless Diagnostics.
- Click Continue, follow prompts, and note errors. Save report for support.
Flush DNS Cache
- Open Terminal (Applications > Utilities).
- Type: sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder and press Enter.
- Enter your admin password when prompted.
Check Security Software
- Update antivirus (e.g., Malwarebytes) and scan for malware.
- Temporarily disable firewall (System Settings > Network > Firewall) to test.
Update macOS
- Go to System Settings > General > Software Update. Install updates.
Contact Support
- If unresolved, submit a ticket at Support@gigapeak.co.uk
- Provide: macOS version, Wi-Fi settings, diagnostic report, and error details.
Windows PC
Verify Connection
- Go to System Settings > Wi-Fi, ensure connected to your router with a valid IP address (e.g., 192.168.x.x).
- Test by opening a browser and visiting google.com. If it fails, proceed.
Restart Devices
- Restart PC (Start > Power > Restart).
- Unplug router for 30 seconds, then reconnect.
Check Network Settings
- Go to Settings > Network & Internet > Wi-Fi > Manage Known Networks.
- Click your network, check properties. Ensure IP Assignment is “Automatic (DHCP).”
- Set DNS to 8.8.8.8 or 1.1.1.1 (Advanced Network Settings > Change Adapter Options > Right-click Wi-Fi > Properties > IPv4 > DNS).
Run Network Troubleshooter
- Go to Settings > Network & Internet > Status > Network Troubleshooter.
- Follow prompts. Also try Additional Troubleshooters > Internet Connections. Note errors.
Flush DNS Cache
- Open Command Prompt (type cmd in search, run as administrator).
- Type: ipconfig /flushdns and press Enter.
Check Security Software
- Update antivirus (e.g., Windows Defender) and scan for malware.
- Temporarily disable firewall (Settings > Update & Security > Windows Security > Firewall & Network Protection) to test.
Update Windows
- Go to Settings > Windows Update > Check for Updates. Install updates.
Contact Support
- If unresolved, submit a ticket via Support@gigapeak.co.uk
- Provide: Windows version, network settings, troubleshooter errors, and details.
General Tips
- Avoid personal routers; they interfere with Gigapeak’s network.
- Test with another device to isolate the issue (device vs. network).
- Take a screenshot of errors (see Screenshot page) and email to Support@gigapeak.co.uk