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rtl8111b

About this tag
The Realtek RTL8111B is a Gigabit Ethernet network interface controller (NIC) commonly integrated into motherboards. Users have reported issues with this NIC, such as the connection speed dropping from 100 Mbps to 10 Mbps, often attributed to driver problems. Troubleshooting involves checking the driver version in Device Manager and comparing it with available updates from the motherboard manufacturer (e.g., ASRock) or Realtek's website. Driver mismatches or outdated versions can cause performance degradation. This tag covers discussions about driver installation, network speed issues, and compatibility with Windows 7 and other operating systems.
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    Windows 7 Problems with Realtek RTL8111B NIC

    On my desktop PC I have a Realtek RTL8111B Gigabit Ethernet NIC. W7 installed fine, and has been running a few days OK. However, for some reason, today it is only connecting to my network at 10Mbps, rather than its usual 100Mbps (I can't achieve 1000Mbps due to the limitations of my Netgear...
    • njek
    • Thread
    • device manager drivers ethernet hardware installation network realtek rtl8111b update windows 7
    • Replies: 2
    • Forum: Windows Networking
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