Try to update the Firmware of the router. You can do this by opening the Cisco Connect Software under all programs. It should ask for an update when it initializes, if not then power cycle your network.
An IP
address conflict occurs
when two computers on a LAN or the Internet have been assigned the same IP. IP
conflicts between two computers normally render either one or both of them
unusable for network operations.
How IP
Address Conflicts Happen
Two
computers can acquire conflicting IP addresses in any of several ways:
· A system administrator assigns two
computers on the LAN the same Static IP Address.
· A system administrator assigns a
computer a static IP address within the local network's DHCP range (dynamic IP
range), and the same address is automatically assigned by the LAN DHCP
server.
· A malfunction in the network's DHCP
server allows the same dynamic address to automatically be assigned to multiple
computers.
· An ISP accidentally assigns two
customers the same IP address (either statically or dynamically).
· A mobile computer is put into standby
/ hibernate mode and then awakened later.
Note that
other forms of IP conflicts can also occur on a network. For example, one computer
may experience an IP address conflict with itself if that computer is
configured with multiple Network Adapters. System administrators may also
create IP conflicts by accidentally connecting two ports of a network switch or
router to each other.
Recognizing
IP Address Conflicts
On most
Microsoft Windows computers, if you attempt to set a fixed (static) IP address
that is already active on the local network, you will receive the following
pop-up error message:
The static IP address that was just configured is already in use on the
network. Please reconfigure a different IP address.
On newer
Microsoft Windows computers having dynamic IP conflicts, you should receive a
balloon error message in the Taskbar as soon as the operating system detects
the issue:
There is an IP address conflict with another system on the network.
Sometimes,
especially on older Windows computers, a message similar to the following may
instead appear in a pop-up window:
The system has detected a conflict for IP address...
On Mac or
Linux computers, a similar message will normally appear on screen.
Resolving IP
Address Conflicts
Try the
following remedies for IP conflicts:
1. For
networks where IP addresses are fixed (statically assigned), ensure each local
host is configured with a
unique IP address.
2. If your
computer has a dynamically assigned address, releasing
and renewing its IP address can
workaround IP address conflicts.
3. If your home router is believed to have a
faulty DHCP server causing IP conflicts on the home network, upgrading the
router firmware may resolve this problem.
Title: Can not access internet by other laptop
?· Open control Panel and go to Network and Internet Connection.
?· Open it and select Network Connection
?· After that you see your networks , select and Right Click on it and go to Advance Tab
?· In Advance tab you just see a option like "Allow me to share my network"
?· Click on that option , apply and ok
After that 1 dektop connected with another by LAN and Laptop connected with 2nd desktop By use of LAN cable
it call Series Connection.Like--1st desktop--->2nd Desktop--->Laptop
Otherwise Bring a HUB and You can access internet
Now you can access internet on both laptops
Step 1:
Click on the 
button and select All programs.
Step 2:
On the All Programs sub-menu, locate and select Cisco Connect. This should launch Cisco Connect and take you to its main screen.
NOTE: If you are unable to locate Cisco Connect, it may not be installed yet. Download the latest Cisco Connect setup wizard from the Cisco Support page. After downloading, click on the Cisco Connect icon to launch the installation wizard.
Hope this will help...Thank you for using Fixya...
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