Some Windows 10 users have reported a problem with their Realtek network controller on their computers. According to these users, they cannot connect to the internet and they get an error message saying "Realtek network driver not found". There can be many reasons why this error occurs on your device, but in most cases it is a simple power management issue. Follow these solutions to fix the problem quickly and easily.
Solution 1: Check your network cables
You may get this error message if your computer's network cable is not configured correctly.
1. Press the “power button” on the laptop / desktop until the computer turns off completely.
2. Disconnect the Ethernet cable from the computer.
3. Now, remove the ac power adapter and battery from the laptop / PC.
4. After a few minutes, connect the power supply, reinsert the battery.
5. Then start the system.
Try to connect. Check if this worked for you. Otherwise, look for the next solution.
Solution 2: Update the network card driver
If you haven't recently updated the Realtek driver for your computer, follow these simple steps.
1. At first, press the button Windows key With X key.
2. Then click on "Device administrator".
3. When the utility window appears on the screen, expand the "Network adapters"Section.
4. Right-click the Realtek adapter, then click "Update Driver".
5. When the message "How do you want to find the drivers?" Appears, click "Automatically searches for drivers".
Now let Windows search for the ethernet driver on your computer.
Restart your computer and check if the solution worked.
Solution 2: Install a default Realtek driver
1. Press the button Tasto Windows + R to open a Run window.
2. Next, write "devmgmt.msc"And click"ok".
3. Then expand "Network adapters"Again.
4. Then, right-click the Realtek adapter driver and click "Update Driver".
5. Next, click on “Look for drivers on my computer".
6. On the next screen, click on “Let me choose from a list of drivers available on my computer".
7. Select "Realtek PCIe GBE family controller (Realtek)“From the list of available drivers.
8. To install the driver, click "The next".
9. When the installation process is complete, click on "Close".
After installing the software, close all windows and start again your computer.
Fix 3 - Repair Realtek Driver
Some users have claimed that the Realtek driver fix fixed the problem on their system.
1. First, download the latest version of Realtek driver.
2. Unzip the downloaded file. Go to the location where you extracted the file.
3. In the driver folder, double click in "Prepare".
4. When the Realtek Ethernet Controller Driver appears, click "Repair".
5. Click on 'The next".
Wait for the installation to repair the driver and install the latest driver on your computer.
6. Click on 'To finish“To close the window.
Solo start again your computer and check if it worked.
After restarting your computer, check if it works.
Solution 4: Change the power management
Do not let the computer turn off the adapter to save power when the system is idle.
1. Right-click on the Windows icon.
2. Then click on "Device administrator“To access it.
3. In Device Manager, double-click orn the Realtek network adapter.
4. Go to “Power managerscheda “t”.
5. Uncheck the box next to "Allow the computer to turn off this device to save power".
6. Don't forget to click on "ok“To save the change.
This should fix the problem and the problem should be fixed.
Fix - 5 Manually fix hardware problems
Solution 1: Unplug and insert the RAM
1. Turn off the system and unplug the power cord. If you are using a laptop, remove the battery.
2. Open the computer case or laptop back cover.
3. Carefully disconnect the RAM from the motherboard.
4. Leave the RAM for 5-6 hours.
5. Then reconnect the RAM to the motherboard.
6. Reconnect the power cable to the system or connect the battery to the laptop.
7. Start the computer normally.
Check if this helps you connect to the internet.
Solution 2: Use the network port on the motherboard
1. Turn off your computer.
2. Disconnect the power cord from the computer.
3. If the network cable is connected to the PCI port, remove the network cable.
4. Connect the network cable directly to the port on the motherboard.
5. Connect the power cord to the system. Boot the system and check if it works.
If you are using a network adapter built into your system, try using an external adapter (external WiFi cards, USB 3.0 to Ethernet adapter) as an alternative.
Solution 6: Load the default BIOS settings
1. First turn off your computer.
2. After a while, turn on your computer. When the computer starts up, you need to press the "To remove"* on the keyboard to access the BIOS settings on the system.
The actual key to open system settings varies from manufacturer to manufacturer. Below we have mentioned the key set that should work:
Esc, F1, F2, F10, F11, F12 or Elimination
1. Once BIOS setting is displayed, go to "Departure"Setting.
2. Next, check for an option called "Default upload settings“And hit Log in.
3. Again, press the specific key for Save the configuration.
[Example – It is the “F10” key for this system.]
4. Next, select "Yup“To finally save and exit the BIOS setup on the computer.
Your computer will restart normally. This should set your Realtek controller to default settings.
Your problem should be solved.