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How do you fix transmit error code 1231?

Alton Alexander
By Alton AlexanderUpdated on June 4th, 2022

The error code 1231 is a Windows error code that indicates a problem with the network connection. This error code can be caused by a number of factors, including a corrupt or outdated network driver, a configuration error, or a problem with the network itself. In most cases, the 1231 error can be resolved by updating the network driver or reconfiguring the network settings.

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1. Check the cabling to ensure that it is plugged in correctly

The steps to check the cabling to ensure that it is plugged in correctly are as follows:

  1. Verify that all cables are connected to their appropriate ports.
  2. Verify that the power is turned on to the modem and all devices connected to the modem.
  3. Verify that the cables are not twisted or kinked.
  4. Verify that the modem is connected to the internet and that the internet is working.
  5. Verify that the modem is connected to the correct network.
  6. Verify that the modem is connected to the correct device.

2. Check the driver for the network adapter to ensure that it is up to date

To check the driver for the network adapter, follow these steps:

  1. Open Device Manager.
  2. Under Network Adapters, right-click the network adapter you want to check and select Properties.
  3. On the Driver tab, click Update Driver.
  4. In the Search for driver software box, type "update driver" and click Search.
  5. If the driver is found, the update process will start and you will be prompted to select the location of the driver file.
  6. Click Next.
  7. Select the appropriate version of the driver and click Next.
  8. Click Finish.
  9. Close Device Manager.

3. Verify that the IP address, subnet mask, and default gateway are correct

The steps to Verify that the IP address, subnet mask, and default gateway are correct in order to fix transmit error code 1231 on a Windows computer are as follows:

  1. Open the Command Prompt.
  2. Type "ipconfig /all" and press ENTER.
  3. Look for the IP address, subnet mask, and default gateway values. If they are incorrect, type "ipconfig /set" and press ENTER to set the values.
  4. Type "netstat -an" and press ENTER.
  5. Look for errors in the "packets" and "bytes" columns. If there are errors, type "netstat -an | findstr "transmit error code" and press ENTER to find the error.
  6. If the error is in the "packets" column, type "netsh int ipv4 set transceiver power level = high" and press ENTER. If the error is in the "bytes" column, type "netsh int ipv4 set transceiver power level = high" and press ENTER.

If you didn't find success with an option above, then try:

  1. Verify that the DNS server settings are correct.
  2. Disable any firewall or antivirus software that may be running on the computer.
  3. Ping the default gateway to ensure that there is a connection.
  4. Ping the DNS server to ensure that there is a connection.
  5. Ping a website to ensure that there is a connection to the internet.
  6. Reboot the computer.