Why am I unable to access the internet on my laptop while traveling?

1. Check your internet connection settings and make sure that you are connected to the right network.
2. Ensure that any software firewall is switched off or set correctly to allow internet access.
3. Check if any hardware firewall has been enabled on your router.
4. Ensure that you have the correct wireless encryption key.
5. Reset the wireless router, if necessary.
6. Check if the laptop has the latest drivers for the wireless network card.