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LAN ethernet controller slow, limited connection?

This is a discussion on LAN ethernet controller slow, limited connection? within the Cabling and Network Cards forums, part of the Tech Support Forum category. Hi guys, Network Adapter (as displayed in device manager) Realtek PCIe GBE Family Controller (says this device is working properly)


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Old 10-20-2011, 11:49 PM   #1
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Cry

Hi guys,

Network Adapter (as displayed in device manager)
Realtek PCIe GBE Family Controller (says this device is working properly)

Motherboard chipset
Intel p67

Processor
i5 2500k

Windows 7 x64

I'm running my lan on the integrated network adapter "Realtek PCIe GBE Family Controller" on my motherboard. When I plug in the lan line directly from my router the speed on speedtest.net is around 2 Mbps, i have tested on 2 other computers and they all get around 10 Mbps with the same line. I build this new machine to play games, and sank $800+ on it. I am trying very hard to figure out why my LAN speed is so slow, anyone have any tips?

I am worried it is a mother board defect, but it is unlikely as I can still browse the internet and stream video. I just get slower download speeds and more lag in games which defeats the purpose of building a gaming computer . I have disabled my avast and my windows firewall to test the speed.

I have also tried buying a wireless card (Netgear N300 Wireless PCI Adapter) and it peaks at around the same 2Mbps. My other computers get 6+ Mbps wireless on speedtest.net at the same location from the router.

Because both LAN and wireless seems to be caping out at 2Mbps could this be an indicator of some sort of internal limiter on internet speed? Or even worse, hardware defect? I'm going to get a USB wireless adapter tomorrow and test the speed. A mangai to the network guru that can help me out here!

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Old 10-23-2011, 03:13 PM   #2
2xg
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Welcome to TSF,

What is your signed up bandwidth with your ISP? Is it 10mbps?

Do you have the latest driver for your Realtek network adapter?
Realtek

Also, restart your computer then tap F8 and select Safe Mode with Networking. In here, browse to the Internet and see if it makes a difference.

What type of Security, AV or Firewall Software do you have?
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