Solved

Unidentified network

Posted on 2010-09-21
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Last Modified: 2012-05-10
Okay so i have a computer that refuses to access the internet/local network. It just says Unidentified Public Network (which its not) Other computers work fine ive tried taking it to a completely different network and tried using a wireless card. No dice. Ive tried all the "netsh" commands, all the ipconfig commands. setting the network adapter address manually in the advanced configuration of the network card. its an IBM all in one thinkcentre a70z and a realtek PCIe GBE adapter. oh i also tried the route delete 0.0.0.0 but it says it cant do it. ive tried uninstalling the driver and reinstalling it from the website as well as allowing windows 7 to install in manually. ive tried to assign it a static ip. This is driving me crazy. Its not pulling an ip address from the dhcp and ive manually added the gateway address. any suggestions before i chuck this thing out of the window?
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Question by:ngcmos
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13 Comments
 

Expert Comment

by:smartytech
ID: 33726104
Try going into properties for the network adapter and removing the check from IPv6. Press Okay, then try to DHCP an address. You may need to do an "ipconfig /release" then "ipconfig /renew" from the command prompt.

I've seen many cases where a Windows 7 PC was having network problems with IPv6 enabled.
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Author Comment

by:ngcmos
ID: 33726252
tried that too, but when i try the ipconfig /renew it doesnt connect to the DHCP and it times out
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Expert Comment

by:xxxHIGHVOLTAGExxx
ID: 33726346
Depending on your ISP, you may have to call them and ask for a RESET from their end, after that, reboot and try again.
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Author Comment

by:ngcmos
ID: 33726419
its not the isp, ive taken the computer to a completely different location, a Verizon Fios isp as well as a Time warner ISP
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Author Comment

by:ngcmos
ID: 33727396
and i do not have the bonjour service or quicktime
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Expert Comment

by:smartytech
ID: 33729542
So if you set the address manually, can you ping the gateway of that network? This happens wireless and wired correct?
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Author Comment

by:ngcmos
ID: 33729901
No and yes it is wired and wireless
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Expert Comment

by:smartytech
ID: 33734947
Have you tried removing the auto-negotiation link speed in advanced device properties? Have you tried disabling the wireless adapter and just using wired in safe mode with networking?
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Author Comment

by:ngcmos
ID: 33735706
There is no wireless adapter I just tried a usb wifi adapter because I t wires wasn't working. ill try the auto negotiation
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Author Comment

by:ngcmos
ID: 33743557
Still doesnt work :\
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Author Comment

by:ngcmos
ID: 33743561
heres my routing table
Active Routes:
Network Destination        Netmask          Gateway       Interface  Metric
        127.0.0.0        255.0.0.0         On-link         127.0.0.1    306
        127.0.0.1  255.255.255.255         On-link         127.0.0.1    306
  127.255.255.255  255.255.255.255         On-link         127.0.0.1    306
      169.254.0.0      255.255.0.0         On-link    169.254.77.144    276
   169.254.77.144  255.255.255.255         On-link    169.254.77.144    276
  169.254.255.255  255.255.255.255         On-link    169.254.77.144    276
        224.0.0.0        240.0.0.0         On-link         127.0.0.1    306
        224.0.0.0        240.0.0.0         On-link    169.254.77.144    276
  255.255.255.255  255.255.255.255         On-link         127.0.0.1    306
  255.255.255.255  255.255.255.255         On-link    169.254.77.144    276
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Author Comment

by:ngcmos
ID: 33743579
im going to have to do a reformat today i would prefer not doing that so if  anyone has any suggestions fast that would be great
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Accepted Solution

by:
ngcmos earned 0 total points
ID: 33745920
did a clean install still didnt work. motherboard issue
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