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Trying to hook up lap top to wireless internet. Comcast tech says there is problem with IP# 169 which preceeds other numbers and needs to be removed for hookup. How can I accomplish this? Model #3150H

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Hi
I am try to take a stab at answering your query.

Internet Protocol (IP) Address preceeding with "169" means your PC is not receiving IP Address "generally" from your Boradband Modem or Internet Service Provider (ISP). The PC through Automatic Private Internet Protocol Addressing (APIPA) is assigning itself a temporal IP address.
This conditions means either
1. Dynamic Host Configuration Protocol (DHCP) Client service is not running properly on your PC (Unlikely)
2. There is no connection between your PC and Broadband Device or ISP wired or wirelessly (very likely)
3. DHCP Server Service is not configured or not running on Boardband device (likely) or ISP (unlikely)
4. Some firewall software when improperly configured are known to block all ports and services. This can block TCP Ports 67 and 68 used by DHCP Client/Server communication (quite likely)
Some pointers for more info;
1. Your query suggest your issues are limited to Wireless connection. Can you access Internet through wired connection? If so;
a) What Wired connection is in use? USB or Ethernet?
b) Is wired connection through same Broadband device?
c) What IP is assigned to your PC in wired connection?
d) If wired connection works, is IP assignment static or by DHCP?
e) What Boardband device is in use? In which mode is the device set to? Router/Bridge
2. If you can't connect both wired and wireless, then it is unlikely your PC hardware is at fault. Call your Broadband Provider for further help and configuration. Try entily disabling your firwall software (if installed) and test conection.
3. If you can connect through wired connection and your IP Address does not proceed with "192.168" or "172.16" then your boadband device is likely in a bridge mode. In bridge mode, the DHCP Server Service on your boardband device is disabled. Most ISPs will only assign only one IP address to a user. If an IP address has been assigned to your PC on the wired connection, then the wireless connection will not receive an IP address and therefore your PC will assign itself an IP in the range "169.254"

Regards
Mike

Posted on Mar 28, 2008

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Usually you will have an IP address starting with 169 if the adapter cannot get an ip address from anywhere, it is an autmoatic IP address.

What operating system (Windows XP or 2000 or Vista) are you using?

Posted on Mar 27, 2008

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Is your computer connected directly to the cable modem from comcast and what type of connection if it is?(USB or Ethernet/LAN-its look like a telephone chord for slightly larger) or are you using a router?

First thing that you need to check is the actual modem(box provided by comcast normally the brands are; arris, motorola, webstar, samsung or linksys. Make sure the LED light on the front of the modem that say's either Online/Ready/Cable/nternet is stable or solidly lit.

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Hi jad123,

I am sorry to learn about the problems you are experiencing with your service.

I will be happy to reach out to my contacts to assist you in resolving this issue. Please feel free to contact me so that I can get more information from you.

Thanks in advance!

Mark C.
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