Unable to obtain IP in Win7

By pedenski
Feb 16, 2010
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  1. Guys,

    I just recently reformated my laptop into windows 7, details below.

    Processor: Genuine Intel(R) CPU
    RAM: 512mb
    System Type: 32 bit OS
    Ethernet Driver: Realtek RTL8139/810x Family Fast Ethernet NIC
    with driver version 6.111.723.2009

    I have no problems with my wireless, but when I try to connect to my LAN, for some unknown reason, my laptop cannot obtain IP. DHCP is enabled. I also tried to acquire using cmd. ipconfig /release then ipconfig /renew. I still get the 169.254.126.96 ip.

    any help will be appreciated.

    Edit: Static assignment works fine, the only issue is DHCP. Router is working fine, I tried connecting it to my other laptop using xp and vista, they obtain ips exept win7.\

    thanks
  2. CAMusing

    CAMusing TechSpot Enthusiast Posts: 328

  3. LookinAround

    LookinAround TechSpot Chancellor Posts: 8,280   +152

    Check if any firmware upgrades are available for your router?
  4. pedenski

    pedenski Newcomer, in training Topic Starter Posts: 26

    @Camusing,

    I know what my IP is, the problem is about obtaining IP..

    @lookingAround
    Ive been using different routers and problem still persist.

    I tried reading to other forums, but the problem is still not resolved. I hope someone could help me out.
  5. jobeard

    jobeard TS Ambassador Posts: 13,026   +221

    the 169.x.x.x address is the clue. this says that you could not access the router's DHCP
    service and the NIC generated that address.

    You should have used the Win/7 Network Wizard to create the connection and chosen
    the Private networking option. This would configure the Firewall properly.

    If all else fails, you can add FW rules like this:
    allow tcp/upd in/out srcip=any destip=any ports 67-68​
    The actual syntax for win/7 should be easily derived,
    but the above is a generic statement of the rule.
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