does not detect local IP address.

220 pts.
Tags:
DSL
IP address
LAN
Wifi
Windows 7 64-bit
I have Asus A55A Series laptop. It has core i3, 4 GB ram, windows 7 64 bit. I have DSL connection. Every driver of every device is properly installed. when I connect LAN cable or connect laptop via WiFi. It detects the network and connects after WiFi password but It does not detect the default gateway address and detects ONLY IP address 169.254.96.114 and subnet mask 255.255.0.0 while it should detect IP address like 192.168.1.x. I have another laptop which is working fine. I have checked this laptop in two different locations and tried two different DSL connections and modems/routers as well. I have configured IP address manually but It did not work. neither with WiFi nor with LAN. Please help.

Software/Hardware used:
core i3, windows 7 64-bit, lan, wifi, 4 gb ram, DSL
ASKED: December 20, 2012  5:39 PM
UPDATED: December 20, 2012  7:41 PM

Answer Wiki

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The 169.254.0.0/16 address is assigned when the host does not get a reply from a DHCP server. This can be because the server is not present on the network, or it is not functioning correctly, or because the host (your laptop) is not connected to the network.

Solving this, as with a lot of networking issues, is all about eliminating the various possible items until you find the actual one causing the problem.

Firstly, I guess other PCs connect fine to the LAN or to the wireless ?

If they do, then you need to check the network adaptor configuration on your laptop. Check the cable used for the LAN, and swap this with a known good cable (one that works with another PC). Check the drivers for the network adaptors, it sometimes works to use the device manager, uninstall the hardware, and then  scan for hardware changes. This will  re-initialise the hardware, and reload the drivers.

Another option to try, is to load a different operating system, like Ubuntu, that runs from a USB memory stick, so you don’t have to overwrite or change your existing Windows system.. This will have it’s own drivers, and will confirm the hardware is working. You will then know to concentrate on the driver issue in Windows, or a hardware issue.

If this is a new laptop, it is possible that it is faulty. Maybe you can go  back to the seller, and get them to test it ?

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  • Xaphar
    I have tried all of these actions above but the problem solved by another online technician." I will advice you fix the windows by running a RUN command SFC /SCANNOW and a command prompt chkdsk /f/r and restart PC after all processes "
    220 pointsBadges:
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  • Xaphar
    The issue resolved by another user azedas101."I will advice you fix the windows by running a RUN command SFC /SCANNOW and a command prompt chkdsk /f/r and restart PC after all processes."Uninstall any free antivirus.
    220 pointsBadges:
    report

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