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Windows 7 Wired connection is connected, but not working

Last response: in Networking
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September 6, 2011 5:53:29 AM

Hi all,

I am using windows 7 home 64bit, and i'm having trouble with my wired connection.

I'm in college now, and my dorm requires you to register your MAC address with them for your internet to work.
on my desktop I've registered for both the wireless MAC address and the LAN address.
Wireless works fine, but once I've started trying to use the wired connection, something funky happens.
The connection itself connects just fine, and I'll have internet access for about 3 minutes after connecting to it, then I get nothing. The connection is still there, but none of my browsers, skype, games can get any internet connection.

I've tried the same cord on my laptop, which also had its LAN MAC address registered, and that worked fine, meaning it's something wrong with my desktop, and that my dorm's wired connection is also working fine.
I've also tried to do things like ipconfig /release and renew, and i've also made sure that windows "obtains and ip automatically."

Now, here is some info on the hardware i use:
Acer Aspire AM3410-UR22P
internet adapter: Realtek PCIe GBE Family Controller

When I type in ipconfig /all in the command prompt:

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . : flexabit.net
Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
Physical Address. . . . . . . . . : D0-27-88-6D-A3-FE
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::e01f:4c74:697e:D b4f%11(Preferred)
IPv4 Address. . . . . . . . . . . : 10.50.13.177(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.224.0
Lease Obtained. . . . . . . . . . : Tuesday, September 06, 2011 12:44:13 AM
Lease Expires . . . . . . . . . . : Thursday, September 08, 2011 12:44:12 AM
Default Gateway . . . . . . . . . : 10.50.0.1
DHCP Server . . . . . . . . . . . : 10.50.0.1
DHCPv6 IAID . . . . . . . . . . . : 198190984
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-15-5E-EF-80-D0-27-88-6D-A3-FE

DNS Servers . . . . . . . . . . . : 209.253.113.10
209.253.113.18
NetBIOS over Tcpip. . . . . . . . : Enabled

Sincerely hoping that someone could spend some time to look at this. Thanks so much.
September 6, 2011 2:13:22 PM

Find out from your college if you need to enter a proxy server to browse the internet.
A good test would be to install Skype and see if that works. If Skype works but your internet does not then im almost positive you are required to connect through a proxy server
September 6, 2011 7:56:58 PM

Sorry if I wasn't clear enough, I meant that both my browsers and Skype don't work.
September 6, 2011 9:23:46 PM

I would recommend this test. After the PC loses the connection to the wired network, check the IP address. Then switch the cable to your laptop and see if you can ping that IP. If so, then something else on the network may have grabbed the same IP as the PC and caused a conflict on the network.
!