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Revision to Samsung NP N310 HAA2US Troubleshooting

Amir Afridi

Ensure that your router has power and the wi-fi light is on. If the router light is on but wi-fi is still not working then call your service provider so they can troubleshoot the router.
+== Laptop is not connecting to 3G internet ==
+=== SIM card needs to be replaced ===
+If the computer is not connecting to the 3G network, the SIM card may be bad, and need to be replaced. Before you replace it, try removing the SIM card, and putting it back in. If that doesn't work, replace the SIM card with a new one. To replace the SIM card, [guide|73328|use this guide].

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