How to fix a Raspberry Pi that won’t connect to WiFi / Ethernet?

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Although they require specific and advanced knowledge, the truth is that Raspberry Pi usually doesn’t bring too many inconveniences to their users. Among these few setbacks, some explain certain problems with the Internet. Therefore, in the next few lines, we will show you how to fix a Raspberry pie What do not connect at WiFi or Ethernet, easily and in seconds.

The first thing you need to consider, and probably have done already, is that when a Raspberry Pi doesn’t connect to WiFi or Ethernet, you need to check the router to verify that the internet connection is working fine. If under some circumstances it doesn’t work, you need to reset your WiFi router or modem to fix the problem. But if the situation persists, this article will be of great help.

Specifically, we are going to give you up to three possible solutions so that you can try to put this error behind you, and thus avoid having to spend money to have someone check your machine. As we always say, the answers and tutorials are in exactly the same order in which we advise you to complete them.

My Raspberry Pi won’t connect to WiFi or Ethernet, what should I do?

Check for SSID issues

If the Raspberry Pi is having difficulty connecting to the WiFi network, check the SSID for invalid characters. Among other things, you must ensure that the network name does not contain underscores. If there are any, you need to remove them and reconnect the Raspberry Pi to the WiFi network. Many users comment that this was all the difficulty that affected them, so start giving it a shot.

On the other hand, if your router supports 2.4 GHz and 5 GHz wireless networks and you are on the second at a fairly large distance from it, try switching to 2.4 GHz, it will be slower. , but more stable.

Check for problems with the home network

You can perform several tasks to rule out a complication of this nature. For example, the following:

  • Restart the router
  • Turn off the router and unplug it from the wall outlet
  • Turn off the WiFi router if you are using it
  • Disconnect the Ethernet cable connected to the modem
  • Leave the router in an idle state for a few minutes
  • Reconnect the power, turn on the modem and then the WiFi router
  • When all the lights have stopped flashing, plug in the Raspberry Pi and check again
  • Check the status of the Ethernet cable port
  • Make sure the Ethernet cable is working when connected to your computer
  • If the Ethernet cable does not work, consider replacing it with a different one
  • Try to use another Ethernet port on the router to rule out port related failures
  • If the problem persists, consider updating your WiFi router firmware or restoring it to factory default settings. If you still don’t have any positive results, read on.

    Raspberry Pi won't connect 2

    Reinstall the Raspbian image

  • Download the latest version of the Raspberry Pi imager to your computer
  • Run the installer to install the Raspberry Pi image
  • Connect SD card reader with internal SD card to computer
  • Open the Raspberry Pi imager and make sure the SD card is detected
  • Select the required operating system from the displayed list
  • Select the SD card on which you want to install the operating system
  • Click on Write to start the installation
  • When the installation is complete, reconnect the SD card to the Raspberry Pi and see that everything is fine
  • Another alternative, if you find that installing the latest version of Raspbian does not help you, is to try downgrading to an earlier version. Every now and then these updates cause crashes and it is best to go back.

    Check the hardware again for errors

    As annoying as it can be, it’s handy to check that your Raspberry Pi’s Ethernet port is in good condition. To do this, connect the external Ethernet adapter to the device and check if the internet is working. Given the chance that it works, it would mean that your Raspberry Pi’s Ethernet port is faulty.

    And even though your Raspberry Pi device may stop connecting to WiFi if it detects issues with an SSID or other network configuration, our experience indicates that when the obstacle is related to an Ethernet connection, it is? usually due to the ethernet port that it literally died.

    Finally, remember that Raspberry Pi already has an excellent text editor… from Microsoft.

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