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No internet via cable, realtek pcie gbe family controller code 10

Ikscer 12357 18
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How can I fix an onboard Realtek PCIe GBE Family Controller that shows Code 10 and won't install drivers in Windows 7 x64?

A persistent Code 10 on this Realtek onboard LAN usually means either a bad driver match or failed hardware, so first boot a Linux live USB/DVD to check whether the port works outside Windows [#16641994] If you still want to rule out software, uninstall the current device, boot with network support/safe mode, and install the latest matching Realtek driver manually through Device Manager; also verify the LAN controller is enabled in BIOS and try resetting the BIOS to defaults [#16645037] [#16646113] [#16647512] The thread points to the Realtek RTL8168/8111 family, so use a driver meant for that series rather than random driver packs [#16646113] If it still shows Code 10 after a clean manual install, the onboard NIC is probably faulty, and the practical workaround is to disable it in BIOS and use a separate PCI/PCIe network card [#16641994] [#16648085]
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  • #1 16641902
    Ikscer
    Level 8  
    Posts: 22
    Hello, I have a problem getting the Internet '' by cable ''. I will quickly describe what I noticed, what I tried to fix it.

    In the device manager I have with my integrated Realtek PCIe GBE family controller (it is on the Asus p7p55M motherboard) a yellow triangle with an exclamation mark, in the device state it says '' This device cannot be started. Code 10``. I installed the drivers from the home page of ASUS, however, after installing the state of affairs looked the same. I was looking for drivers after entering the identifier of the card in Google, but as you can guess it also did not bring results. In addition, when I enter the network and sharing center -> change the network card settings, I don't see any LAN card, only the WiFi broadcom network card, thanks to which I connect via wifi. When installing the driver from an asus website, a window pops up after the installation is finished, saying 'Failed to install the device driver software'

    Here hardware identifiers if someone would be needed to solve my problem

    PCI \ VEN_10EC & DEV_8168 & REV_03 & SUBSYS_83A31043
    PCI \ VEN_10EC & DEV_8168 & SUBSYS_83A31043
    PCI \ VEN_10EC & DEV_8168 & CC_020000
    PCI \ VEN_10EC & DEV_8168 & CC_0200

    I'm counting on your help!
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  • #2 16641994
    bogiebog
    Level 43  
    Posts: 24793
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    Are you installing rudders for the right version of windows?

    The card may have broken. Run linux live from usb / dvd and check if the card works.
  • #3 16642337
    Ikscer
    Level 8  
    Posts: 22
    To ruin in such a short time? I have less than 4 months. As for installing other systems - dropped out, but thanks for the willingness to help
  • #4 16642345
    jimasek
    VIP Meritorious for electroda.pl  
    Posts: 35287
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    There was no problem with the wired card before?
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  • #5 16642388
    Ikscer
    Level 8  
    Posts: 22
    Ever since I installed win 7 x64, I had win XP before, but with the system change, there was a computer change.
  • #6 16642400
    jimasek
    VIP Meritorious for electroda.pl  
    Posts: 35287
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    So, as I understand, you haven't used a wired card from the very beginning and only now you want to use it?
  • #7 16642401
    Ikscer
    Level 8  
    Posts: 22
    I've been trying to run it for ~ 2 months
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  • #8 16642407
    jimasek
    VIP Meritorious for electroda.pl  
    Posts: 35287
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    What exactly does the Device Manager show and what drivers are you trying to install?
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  • #9 16642501
    Ikscer
    Level 8  
    Posts: 22
    As I wrote in the post, drivers from Asus, realteka and those found from the Internet do not work. As I also wrote in the post, the Realtek Pcie gbe family controller has a yellow triangle with an exclamation mark, and the device status says that this device cannot be started, code 10. When installing some drivers, a message pops up saying that windows found the drivers, but encountered an error while install it.
  • #10 16642553
    jimasek
    VIP Meritorious for electroda.pl  
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    jimasek wrote:
    What exactly does the Device Manager show and what drivers are you trying to install?

    If you want to cooperate, talk to us because we won't get along. I would like a print screen from the device manager and a link to the driver you are trying to install.
  • #11 16642598
    Ikscer
    Level 8  
    Posts: 22
    I understand that it is not known what's going on, so yes, below are screenshots from the task manager
    and here links to sites from which I downloaded the drivers:
    https://www.asus.com/pl/Motherboards/P7P55M/HelpDesk_Download/
    http://www.driveridentifier.com/scan/realtek-...20EF7FD3EED862/PCI%5CVEN_10EC%26DEV_816826263 download normally, now I don't know what happened)
    https://drp.su/en/hwids/PCI%5CVEN_10EC%26DEV_8168%26SUBSYS_83A31043%26REV_03?os=windows-7-x64 and most likely it is
    No internet via cable, realtek pcie gbe family controller code 10 No internet via cable, realtek pcie gbe family controller code 10
  • #12 16645037
    hermes-80
    Level 43  
    Posts: 12013
    Help: 1177
    Rate: 740
    Have you tried these drivers?
    Uninstall the current one, enter safe mode with network support and install the ones I gave - manually from your finger through the device manager.
    Have you checked in the BIOS if sometimes there is something disabled?
  • #13 16645972
    Ikscer
    Level 8  
    Posts: 22
    hermes-80 wrote:
    Have you tried these drivers?
    Uninstall the current one, enter safe mode with network support and install the ones I gave - manually from your finger through the device manager.
    Have you checked in the BIOS if sometimes there is something disabled?


    You have not provided any drivers :P Yes I checked, everything turned on
  • #16 16647512
    KOCUREK1970
    Network and Internet specialist  
    Posts: 35131
    Help: 3786
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    https://answers.microsoft.com/en-us/windows/f...64/4b56a992-e7c2-45a8-8d02-b9e7eac2dc99?auth= 1

    Everything indicates that you have the necessary drivers here (info from the link above):
    http://www.realtek.com/downloads/downloadsVie...5&Level=5&Conn=4&DownTypeID=3&GetDown=false#1

    If you are still having problems - then reset the BIOS.
    If it still doesn't change anything, buy a new power cord and don't bother with such an antique.
  • #17 16647607
    Ikscer
    Level 8  
    Posts: 22
    KOCUREK1970 wrote:
    https://answers.microsoft.com/en-us/windows/f...64/4b56a992-e7c2-45a8-8d02-b9e7eac2dc99?auth= 1

    Everything indicates that you have the necessary drivers here (info from the link above):
    http://www.realtek.com/downloads/downloadsVie...5&Level=5&Conn=4&DownTypeID=3&GetDown=false#1

    If you are still having problems - then reset the BIOS.
    If it still doesn't change anything, buy a new power cord and don't bother with such an antique.


    Unfortunately, the attempt failed. I just do not know what will give me a bios reset in this situation, everything related to this matter is in place, and I will not buy a new power cord because it is an integrated power cord with the motherboard (I think it is called that), I know it because this motherboard has one Ethernet cable input that has no visible card.
  • #18 16647616
    KOCUREK1970
    Network and Internet specialist  
    Posts: 35131
    Help: 3786
    Rate: 5326
    Ikscer wrote:
    and I will not buy a new power cable because it is an integrated power cable with the motherboard (I think it is called that), I know that because this motherboard has one Ethernet cable input with no visible card.

    Does the motherboard have any free PCI / PCI-e ports?
    Buy a card for a sufficiently free slot.
  • #19 16648085
    hermes-80
    Level 43  
    Posts: 12013
    Help: 1177
    Rate: 740
    You can still try to burn some of the latest linux / ubuntu / kali / debian distributions and see if your card will fire - if not like your colleague wrote above - disable the network card in the BIOS and buy some decent PCI-E slot.
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Topic summary

✨ The discussion revolves around a user experiencing issues with their Realtek PCIe GBE family controller on an Asus P7P55M motherboard, specifically encountering a "Code 10" error indicating that the device cannot be started. The user has attempted to install drivers from the Asus website and other sources, but installation fails, and the LAN card does not appear in the network settings. Various suggestions are made, including checking driver compatibility with Windows, testing the hardware with a Linux live environment, and ensuring BIOS settings are correct. The user has confirmed that the issue has persisted since upgrading from Windows XP to Windows 7 x64 and has been trying to resolve it for approximately two months. Recommendations include uninstalling current drivers, using safe mode for installation, and considering a new PCI-E network card if the integrated one is faulty.
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FAQ

TL;DR: Windows 7 x64 with Realtek ID DEV_8168 shows "This device cannot be started. Code 10"; try Safe Mode install, BIOS check, or add a PCIe NIC. [Elektroda, Ikscer, post #16641902]

Why it matters:** It helps you quickly restore wired Ethernet when drivers fail or the onboard NIC is faulty. This FAQ is for DIY PC users fixing Realtek PCIe GBE on Asus P7P55-M.

Quick Facts

What does Device Manager "Code 10" mean for a Realtek PCIe GBE adapter?

It indicates Windows can’t start the device. The adapter shows a yellow triangle and won’t appear as a usable LAN interface. In this thread, the Realtek PCIe GBE family controller reports Code 10 and fails to install drivers, which explains the missing Ethernet in Network Connections. "This device cannot be started. Code 10" is the exact status shown. [Elektroda, Ikscer, post #16641902]

How do I try installing the Realtek driver in Safe Mode?

  1. Uninstall the current Realtek driver.
  2. Boot into Safe Mode with Networking.
  3. In Device Manager, Update Driver and point to the downloaded Realtek package to install manually. This avoids third‑party services blocking installation and lets Windows load minimal drivers. The helper specifically recommends Safe Mode and manual install via Device Manager. [Elektroda, hermes-80, post #16645037]

Where do I find the right driver if ASUS and auto‑search fail?

The thread author tried ASUS support and Realtek packages but Windows reported an install error. When this happens, use Safe Mode and install the package manually from Device Manager. If installation still fails with Code 10, proceed to BIOS checks and hardware testing, as software attempts may be exhausted. [Elektroda, Ikscer, post #16642501]

Could the onboard LAN be disabled in BIOS?

Yes. If LAN is disabled in BIOS, Windows can’t initialize it, which resembles a Code 10 scenario. One helper advises verifying BIOS settings first. Ensure Onboard LAN is Enabled, save, and reboot. If it’s already enabled and Code 10 persists, continue with driver reinstall or hardware testing steps. [Elektroda, hermes-80, post #16645037]

How can I confirm if the NIC itself is faulty?

Boot a Linux live USB (Ubuntu, Debian, etc.) and check if Ethernet works there. If it also fails, the hardware is likely defective. If it works under Linux, the Windows driver stack is the issue. The thread suggests a live Linux test to separate software from hardware faults. [Elektroda, bogiebog, post #16641994]

I just built the PC and it’s under four months old—can the NIC still be bad?

Yes. New hardware can fail early. The original poster noted the system was under four months old, yet the LAN still showed Code 10. Early‑life failures happen, so don’t rule out a defective onboard controller even on fresh builds. [Elektroda, Ikscer, post #16642337]

What if Windows doesn’t show any LAN adapter in Network Connections?

That’s consistent with Code 10 on the Realtek controller. Windows lists only the working Broadcom Wi‑Fi card, so Ethernet is unavailable. Resolving the driver or hardware issue will restore the LAN interface. Until then, use Wi‑Fi as a temporary connection. [Elektroda, Ikscer, post #16641902]

What are those hardware IDs (VEN_10EC, DEV_8168) and why do they matter?

They identify the vendor and device. VEN_10EC is Realtek; DEV_8168 maps to the 8111/8168 Gigabit family. Using these IDs helps match the exact driver during manual installation. The OP shared these IDs when driver auto‑install failed. [Elektroda, Ikscer, post #16641902]

If drivers keep failing, what’s the fastest path to stable Ethernet?

Install a separate PCIe Gigabit Ethernet card and disable the onboard LAN in BIOS. This bypasses a flaky integrated controller and gets you online quickly. As one helper put it, "Buy a card for a sufficiently free slot." [Elektroda, KOCUREK1970, post #16647616]

How do I check that the issue isn’t the router or cable?

Use the same Ethernet cable and router port with another device to verify link and DHCP. The OP’s Wi‑Fi worked, but Ethernet didn’t appear at all due to Code 10, pointing inward to the PC. After confirming the network path is fine, focus on the NIC and drivers. [Elektroda, Ikscer, post #16641902]

Can Windows report driver found but still fail install?

Yes. The OP repeatedly saw "Windows found the drivers, but encountered an error while installing." That commonly leaves the device in Code 10. Manual installation in Safe Mode is the recommended next step before concluding hardware failure. [Elektroda, Ikscer, post #16642501]

What’s a practical recovery sequence when Realtek PCIe GBE shows Code 10?

Uninstall the driver, reboot to Safe Mode with Networking, install the Realtek package manually, and verify BIOS LAN is enabled. If Ethernet still fails or is missing, test with a Linux live USB. Persistent failure suggests a dead onboard NIC; add a PCIe card. [Elektroda, hermes-80, post #16645037]

What is a Linux live USB and why use it here?

It’s a bootable USB that runs Linux without installing it. It loads its own drivers, so you can test hardware independently of Windows. If Ethernet still doesn’t work under Linux, the NIC or motherboard circuitry is failing. [Elektroda, bogiebog, post #16641994]

Edge case: Windows shows Code 10, but BIOS and drivers seem fine—what then?

Disable the onboard NIC in BIOS and install a cheap PCIe Ethernet card. This avoids motherboard repair and restores wired connectivity immediately. It’s the thread’s final contingency when software fixes do not resolve Code 10. [Elektroda, KOCUREK1970, post #16647616]
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