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No internet connection (causes, troubleshooting, fixes, computer, phone, tablet) (I use AT&T)

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#IT #Computer #Tech #Internet
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Select specifications which apply:

Click this if you're using a computer (vs. a tablet, smartphone etc.)

Click here if you are using a Smartphone, Tablet, iPad or other Wi-Fi/3G or 4G - capable mobile device

Click on this if you are using a router. To check if you're using a router read this article: http://goo.gl/6ES9lX

To check if you're using a modem read this article: http://goo.gl/6ES9lX

Click on this if you can't go online after a lightning strike and you were able to connect to the Internet prior to it.

Click this if you have recently scanned with an antivirus, and found and deleted virus(es)

Click on this if you have tried all the other common solutions and none of them worked.

Click on this if your laptop or mobile device doesn't detect any Wi−Fi connections at all

Click here if your Internet connection problems started after upgrading to Windows 10

Click here if you see other Wi-Fi connections but yours

Click here if you're successfully connected to Wi-Fi, but still don't have Internet access

Click on this if your computer doesn't have Internet connection after you wake it up from sleep mode.

Click on this if you use a laptop.

Click here if you're using Wi-Fi (i.e. Wireless connection, without cable)

Your router, the box which connects you with the internet, has little lights, one of them over the port where your Ethernet cable (from your computer) goes in. If the light for this port doesn't blink then select this specification.

Click on this if you are using a mobile device which is running on Android OS (such as Samsung, HTC, Sony and many others.

Click this if you're using a public hotspot to go online

Click here if you have the connection issues when you plug out the power-cable and run on battery.

Click on this if the Wi−Fi connection you are trying to connect to is visible, but you can't connect to it.

Click on this if your router, the box which connects you with the Internet, has little lights, one of them showing whether the device is active and ready to use. Click this specification if this light is blinking, i.e. working fine.

Click on this if you use a desktop computer.

Click on this if you are using an iPhone, iPod touch or iPad.

Click this if you are trying to go online with a new router you just set up.

Solutions (3)
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  1. Call AT&T's hotline

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    If AT&T is your internet service provider and you are unable to connect to internet, call them on 1-800-225-5288, and they will help you fix the issue.

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  2. Check AT&T's troubleshooting page

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    Click here to visit AT&T's troubleshooting page, which will try to diagnose and fix your problem.

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  3. Run the Windows network troubleshooter

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    Internet access issues can be easily resolved thanks to the built-in network diagnostic tool (troubleshooter) developed by the Microsoft team to resolve network issues.

    To run the tool, follow the steps below:

    1. Open the start menu and type identify and repair network problems, or right-click the network icon in the notification area (in the bottom right-hand corner of the screen) and then select Troubleshoot problems.
    2. Wait for the troubleshooter to scan your computer (i.e. the network card) and follow the instructions.
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