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IP fails in n/w diognosis

Hello people i am having lan issues it seems that my computer's ip [failed] in network diognosis, when i try and 'repair' the connection it says "the following repair operation failed: flushing arp cache" and "renewing ip failed" when searching for my computer from the other one it shows up but not from mine to the other, both pcs are running identical versions of win xp.

most games we play still work n/w just cant get file sharing going..

also i have to manually enter ip, and gateway for adsl connection

any help would be greatly appreciated.


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Re: IP fails in n/w diognosis

You should reinstall you network adaptor driver
then you may get solve this problem.

Posted on Jan 21, 2008

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When I go to use a TP - LINK High gain Wi-Fi USB adapter, my internet access always seems to be blocked and I get a yellow triangle with a black exclamation mark.

Your wifi router should automatically assign an IP address to your adapter. If it doesn't, you may need to turn "DHCP" on in it, or manually assign an IP address. If you need to assign, you will need to see the address of a working system, and use something similar.

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IP Conflicts in a work place

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.

on Nov 24, 2010 | Network & Wireless Adapters

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Hello i have d'link airplus g dwl g630 e2 5.0 network card in my other laptop.. it has drivers installed and it connects to network, but i cant get in internet.. it says " the connection has limited...

This happens when the wireless network card fails to get an IP address from the wireless router.
To get the router to issue your wireless network card with a new IP address, right click on the wireless card icon on the task bar and click Repair.

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My home network was working fine for a long time. Here's the config: cable modem > main PC > Tu2-ET100 > xover cable > TU2-ET100 > second PC. I can connect PC to PC fine, Internet on main...

if one computer is working and the second one hooked on it not than it may be a cable thing ..if both are not working than it is a network and you have to call the check that plug them one by one directly to the main cable ..cause there is a possibility the the main ones LAN card to failed ..and cause both are basically connected trough it they can not work ..
Usually most computers have a on board LAN port ...if it is a suspicion that the LAN card failed try to use the one on board ..

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Billionton USB : Class 1 USB Bluetooth adapter

before you try any step i tell you please disable your antivirus and firewall.
well!! I have an answer for you.your comp is loosing the IP address. goto start - programmes - accessories - dos prompt. type`ll get ip address,subnet mask,default gateway.copy it. goto network and sharing center in vista and network connection under control panel in XP,IN Vista,click on view status,goto properties and double click on internet protocol(tcp/ip) or IPv4In XP,right click wireless network connection and goto properties and double click on internet protocol(tcp/ip).type in the IP address,subnet mask,default DNS server address type the default gateway in primary DNS and in secondary your connection won`t drop after this.

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Limited or no connectivity

just follow these steps

right click on my computer & click properties>> go to hardware>> device manager>> click on network adepters>> select your ethernet card (lan card) right click on it. select the option uninstall >> a window will show that r u sure u want to delete this driver click yes over there. then on the top of the device manager window click on action >>select scan for hardware changes. in a just a few sec the system will reinstall the driver for ur lan card. it will start working fine. in case if it doesn't work u have to use the static ip in ur lan card. for that just go to control panel>> click on network connection>> right click on network adepter>> click properties >> select internet protocol version 4 TCP/IP then click on properties >> put the dot on use the following ip address then type the ip the ip address (like these ) on ip address on subnet mask it will be on default gateway it will be ur routers ip address (like on dns use the routers ip address again then just hit ok there u go ur problem is solved.


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XBOX 360 wireless adapter,problems with passing test!!

Ok i think we have the same problem. You can call this post a same problem / solution post. Try reseting your whole computer and router by simply unpluging everything. It should work temporarily(2 days). The reason your having this problem is because of certain settings on your router which kick in after a few days of reseting thats why it will assign an ip address temporarily.comment when you have tried this. Maybe we can help each other.

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Tiscali wirless connection issue

Sounds like the router may need a firmware update as the DHCP service is failing to run correctly.

You can however just use a static ip address.
First of all find out the network address in use.
eg. - -
to find out, - start menu - run - cmd - ok - ipconfig

1. Log on to the client computer as Administrator or as Owner. 2. Click Start, and then click Control Panel. 3. Click Network and Internet Connections. 4. Click Network Connections. 5. Right-click Wireless Network Connection, and then click Properties. 6. Click the General tab, click Internet Protocol (TCP/IP) in the This connection uses the following items list, and then click Properties. 7. In the Internet Protocol (TCP/IP) Properties dialog box, click Obtain an IP address automatically (if it is not already selected), and then click OK.

Note You can also assign a unique static IP address in the range of to For example, you can assign the following static IP address, subnet mask, and default gateway:

IP Address
Subnet mask
Default gateway

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1 Answer

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use static ip higher than the dhcp range so dhcp doesnt assign it to other pc causing ip conflict .. rename computers on network. imaging can cause this issue as the master image can have same comp name assigning it same ip.

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another computer on router tryign to use your same ip. hmm sometimes a network sniffer can cause that.. or u have set a manual ip instead of automatic

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