Download 169 IP address and/or "limited or no connectivity

169 IP address and/or "limited or no connectivity”
Are you getting an IP that starts with 169 on your wired or wireless network card?
Are to getting no network access through wireless and built-in network?
What does this mean?
The 169.x.x.x address is coming from a Windows service called APIPA (Automatic Private IPaddressing). APIPA is a service to dynamically assign IP addresses to network clients when they can't
reach the DHCP server
Possible causes:
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Bad Network card
Bad driver for the network card
Bad network cable
No wireless signal
Virus/Malware infestation
Restricted access due to spamming
Possible Solutions
To resolve this issue and get you connected, do any or all of the following steps:
1. Releasing the IP address
Click on Start and click Run
Inside Run, type ipconfig /release to release the IP address
Then after the IP address is released, type ipconfig /renew
2. Disabling the Ethernet Adapter
Click on Start and right click on My Computer. Then click on Manage.
Click on Device Manager and then Network Adapters
Under Network Adapters, right click on your Ethernet adapter and select Disable.
Wait approximately 5 seconds and right click on it and click Re-enable.
This restarts the DHCP client and tries to obtain an IP address from the Network.
Check the Ethernet cable
3. Replace Network Cable Sometimes a bad Ethernet cable can cause your system to receive a 169
IP address, try changing out the cable for a new one.
4. Temporarily disable antivirus ( enable when done)
5. Reset Firewall settings to default ( Control Panel… Security settings) . Use the Windows firewall
and NOT an antivirus suite’s firewall. firewall applications
Disable/uninstall any external firewall, antivirus, or spyware programs (eg. Norton Internet
Security, McAfee Security Center, Trend Micro 2007, Webroot).
6. Restarting the QoS packet scheduler Protocol
Click on Start and click Control Panel.
In Control Panel, double click on Network Connections and then Local Area Connection.
Click on Properties and uncheck QoS Packet Scheduler.
Click Ok and repeat the process.
7. Restarting the DHCP service
Click Start and select Run.
Type services.msc in Run and click Ok.
Find DHCP service and right click on it. Click on Stop.
Reboot the computer.
When the computer boots up, click Start and select Run
Inside Run, type the following: netsh int ip reset log.txt
Click Ok.
8. Winsock
a.
Winsock Fix will reset all the settings back to their default state.
To download Winsock fix follow this link
http://www.spychecker.com/program/winsockxpfix.html
Install winsock fix on your machine and reboot your computer.
b. Run / cmd (run as administrator) / netsh winsock reset
9. System Restore
Open Start and click on Programs and then Accessories.
Then click on System Tools.
Click on System Restore and select a restore point when you were not experiencing this
problem.
Restore your system.
10. If a Compaq / HP laptop uninstall the HP wireless assistant
Alternate documentation
ResNet Configuration and troubleshooting http://oz.plymouth.edu/~tom/forms/ResNET%20%20Bradford%20Steps%20with%20consideration%20to
%20IP%20changes.pdf
\forms\169_1p.doc