8 Fixes To “Realtek PCIe GBE Family Controller Adapter Problems”

The “Realtek PCIe GBE Family Controller” is Realtek’s gigabit network controller. These are essentially LAN hardware on your motherboard. These network controllers are frequently built-in on system boards. They are essential since they play a critical part in rescuing essential times.

I will assist you in resolving this issue. I have put together a comprehensive guide on the “Realtek PCIe GBE family controller” not working. As a result, carefully study the solutions listed below and follow them.

Your network adapter is manufactured by Realtek (LAN). Windows programs use a driver that enables motherboards to understand the Ethernet component. Realtek PCIe GBE Drivers allow systems to connect to a network. Also, collect all element characteristics like business and chipset.

What is Realtek PCIe Gbe Family Controller

The Realtek PCIe Gbe Family Controller is found on the motherboard. It controls the LAN hardware. It is in charge of your computer’s wire network operation.

It’s a controller chipset that connects the PCI Express (PCIe) bus on your computer to the GBE bus. It also allows your computer to connect to a strange ethernet network, through which it may access the internet.

What Are Common Issues For This Controller?

Problems with the Realtek PCIe Gbe family controller or other hardware components are uncommon among some customers. However, as previously said, there may be no network access at the time of this writing.

It is possible to unplug this controller from the system. Code 12 or Code 31 appears in the device manager when you look at the network adapter.

From a more plain perspective, the following are the two most common reasons for Realtek driver problems:

Both the LAN card is worn out, and the driver that runs the LAN has a software fault. There are numerous options for resolving the issue in all of these situations. Today, we’ll discuss the most practical and standard solutions to these problems.

realtek pcie gbe family controller

Methods To Fix “Realtek Pcie Gbe Family Controller”

There are several approaches to resolving the Realtek issue. Try the one that goes most suitable for you.

Before making any modifications to your system, we recommend backing up any essential files on your device. We do not foresee any difficulties with your system due to the content. It is a good habit and practice to back up your system before performing maintenance on it frequently.

  1. Realtek PCIe Gbe Family Controller Driver (Windows 10) Update
  2. Perform a System Restore
  3. Use the Registry Editor
  4. Replace Your Network Adapter Hardware
  5. Windows Update
  6. Get a new PCIe network adapter
  7. Change the settings of your Realtek network adapter
  8. Remove the Drivers

1. Realtek PCIe Gbe Family Controller Driver (Windows 10) Update

Checking whether the driver is up to date is one of the first things you should do. Because it is obsolete, the primary software-associated reason for typical Realtek driver troubles is outdated.

Updating your Realtek PCIe Gbe controller driver is the most effective and secure option. Follow the steps below to accomplish this:

  • To get started, press WINDOWS+R to bring up the Run dialogue box.
  • To unlock the device manager, type “devmgmt.msc” and hit enter after opening.
  • Choose the network adapter from the device list and then the Realtek controller.
  • Right-click the Realtek controller and select Update Driver Software from the context menu. Select manual mode while updating the driver.
Update driver
  • Now choose the drivers that need to be updated. Your operating systems will look for drivers that need to be updated.
  • Finally, restart your computer after installing the updates.
  • All Realtek driver-related issues will be resolved after your computer restarts.

2. Perform a System Restore

Another alternative is to do a system restore, which will allow you to return to a moment when your computer is functioning normally. Simply follow these simple instructions:

  • Push or hold the Windows key and R at the equivalent time. The Run window will appear.
  • Hit Enter after typing rstrui.exe.
  • Enter the date you wish your computer to trace back to by pressing the Next button.
  • Allow the computer to complete the restore process once you’ve chosen your date.
Perform a System Restore
  • Your computer will reboot after it has been restored. Simply reboot your computer to see whether the problem still exists.

It usually resolves the majority of your computer issues. However, you should not use this method too frequently because it may cause your computer to become unstable. Use it only if the other options have failed.

3. Use the Registry Editor

Suppose you don’t want to mess around with the system restore. You could attempt another support option offered by a Microsoft Forum contributor:

  • Search for the cmd (Command Prompt) in the Start.
  • Right-click Command Prompt. Select Run as Administrator from the menu.
  • netcfg –s n is the command to use.
netcfg –s n command
  • Look for the DNI DNE file.
  • If you discover DNI DNE, type the following command:
    • reg delete HKCR\CLSID\{988248f3-a1ad-49bf-9170-676cbbc36ba3}/va /f
    • netcfg –v –u dni_dne
  • After you’ve entered this code, the issue should be resolved. If you see an error message, take the following steps:
  • Using the Windows key and type registry, open the registry window.
    • Look for HKEY_CLASSES_ROOT\CLSID\{988248f3-a1ad-49bf-9170-676cbbc36ba3} in regedit and delete it.
  • Rerun the command in the command prompt.

4. Replace Your Network Adapter Hardware

All these support fixes will assist you if you ever have a problem with Realtek software on your computer.

If none of the preceding solutions work, the problem is more likely to be a hardware issue than a software one.

Network Adapter Hardware

In such a situation, you’ll need to get a new PCIe network adapter because your current one is most likely worn out. You can get one for a meager price at a computer retailer. Technicians can even install it.

Of course, you should do this after establishing that the Realtek problem is a software problem.

5. Windows Update

It is one of the methods that are commonly used but underutilized. We don’t only tell you to keep your computer up to date. Updating your system may assist you in installing the most recent tools.

Also, the utilities for your Realtek Family Controller Windows 10 driver. You can ignore this method if your system has been set to install updates automatically.

Chip RTL8139 or RTL810x for PCI network card. We recommend obtaining Realtek PCI Fast Ethernet Drivers if you need a Realtek ethernet driver for your Windows 10.

6. Get a new PCIe network adapter

If the instructions above do not work, the Realtek network adapter for Windows 10 is most likely dead. In that scenario, your only option is to get a new one. But don’t worry, PCIe network adapters are inexpensive nowadays so you may acquire one for a lower price.

7. Change the settings of your Realtek network adapter

When the Realtek controller encounters a driver or hardware failure. The settings can be modified to see if it tries re-establishing the Ethernet network. Changing several parameters in the Realtek PCIe GBE Family Controller Properties can be beneficial.

  • To begin, expand Network adapters in the device manager.
  • To open the properties of the Realtek controller driver, right-click on it.
  • Locate PROPERTY in the properties window now (under the advanced tab).
  • Find auto-disable gigabit and change the settings to re-link the battery or AC.
  • Locate green ethernet (under property) and disable it before pressing OK.
  • Once you’ve completed all the procedures, you can check to see if the problems have been resolved.

8. Remove the Drivers

  • Open the Run by pressing Windows + R at the same time.
  • Type devmgmt.msc into the search box.
  • The Device Manager window will open as a result of this.
  • Right-click the Realtek PCIe option in the Network adapter box and select Uninstall Drivers.
Remove the Drivers
  • After that, detach and reconnect your network cable and restart your computer.


Realtek problems are critical since they can affect whether or not you can connect to the internet via LAN or cable. They may impact some of your other internet-related operations if not resolved immediately. If you notice any internet-related difficulties, use these fixes to determine the issue quickly.