Really there is a multitude of things that could be causing the problem. Some trouble shooting steps however.
1: Verify that the radio on the wireless router is on. 2: Check to see if the laptop has a hardware switch to physically turn on and off the wireless, (most made within the past 4 - 5 years do, if not a switch then a Fn Key + ___ Key combination usually) 3: Some Dells come with a wireless connection utility. If it does, disable this as XP and Vista do just fine on their own and a wireless utility just takes up resources and is one more thing to cause connection problems that does not need to be there. 4: Check the device manager (rt click "My Computer" scroll down to properties, click on "Hardware" tab, click on "Device Manager" (assuming this is XP, although Vista is much similar) ) Once in device manager check to make sure it sees the wireless adapter and that it does not have a yellow question mark or a red X through it. If it has an X right click to re-enable it. If it has a yellow question mark download the drivers from the manufacturers website. 5: If all else fails reinstall the driver 6: USE AT YOUR OWN RISK (although I have never had a problem with using this): If none of this works, google LSP Winsock Fix. Download the program, run it, restart the system and test. 7: If none of this works, then there is a possibility that the wireless adapter has a hardware problem and needs to be replaced.
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If you get a 'Limited connectivity" on you wirelessconnection on your laptop, it means that the wireless card on your laptopprobably did not get an IP address from the wireless router. To fix this problem, right click on the wireless icon on the Task bar and thenclick Repair. This will force the wireless router to issue a IP address to the wireless cardon the laptop.
First of all you need to know a few things:1) Is the wireless part of the wireless modem configured by the BSNL installer?2) If installed then what is the Authentication ID and Password and what should be your IP address?3)If no get the configuration done.4)Is the Wireless adapter driver installed in your PC?if yes then you need to switch on the wirelwss by pressing the Wireless ON/Off button and configure the IP address and connect. If No then please install the driver from the Driver CD provided at the time of purchase or download the same from http://h20000.www2.hp.com/bizsupport/TechSupport/DriverDownload.jsp?prodNameId=3934829&lang=en&cc=us&prodTypeId=321957&prodSeriesId=3934828&taskId=135 and install the driver and restart your PC. Now follow the above steps to connect to wireless network.
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I see that you are having difficulties with your wireless connection, have you tried checking if the wireless on your laptop is turned on? there should be a switch on the side of your Laptop some other Laptops may have that switch on the front.
Check the computer Icon in the lower right side of your taskbar it should be beside near the time, check if there are any red X or yellow Exclamation points on the computer Icon or if you have the wireless bars.
If you see a wireless signal but says limited or no connectivity when you point the mouse cursor on it then we just may need to check some settings on you system.
Also we can check you IP address on the Laptop by clicking on Start, All Program/Programs then Accessories under Accessories look for Command Prompt, once the Command Prompt window appears you will see a black box and a blinking cursor type in IPCONFIG then press enter this will show us you Laptops IP address or IPV 4, the IP should begin with 192.168.x.x but if it shows 169.254.x.x then this is a bad IP address, try recreating the wireless network in your laptop to renew the IP address.
First check the Router for any indication if the wireless light is turn on or not if not check the router settings and turn on or enable the wireless signal of your Router.
If the wireless light is turned ON then check the Router settings for any security options and if your Router has a security key enabled on it then you should copy and set that security in your Laptops wireless network settings in Network and Sharing Center.
if still the wireless connection doesn't connect we can try to uninstall and reinstall the Wireless driver for your Laptop which would require you to check first if you have a copy of the wireless driver inside your hard rive if you don't have the Installer for the driver then you may need to use a different computer to be able to download the wireless driver from your computer manufacturers website.
I hope that this will be helpful in resolving you Laptops wireless connection.
Have a nice day.
find that ip of the router e.g 192.168.0.1 or something like that
gott to the lan network connection of pc got tcip option
in ther enter the ip addree 192.168.0.xxx ( anything but ther router address) subnet mansk 255.255.255.255.0 defualut gateway the routers ip address primary dns router router ip address leave the secondary ip blank
On the bottom right hand side of the desktop you will see the wireless icon, right click on that ans click on troubleshoot problems. This will reset the adapter and assign an IP address for your your PC.
Click on Start - Control Panel - then Network Connections - then right click on your Wireless Network connection - click on Properties. Then in "This connection uses the following items, scroll down to Internet Protocol (TCP/IP) and click on Properties. Under the General Tab make sure Obtain an IP address automatically and Obtain DNS server address automatically are selected. Click OK.
If you do not see TCP/IP in the Wireless Network Connection then click on the install button and then install the TCP/IP driver.
IF TCP/IP is OK then before you do the following, turn off or disconnect the power to your wireless router, wait for 1 minute before connecting the power again. Wait till the LED lights indicate that it is on line again and the wireless is on then :-
Click on Start - Control Panel - then Network Connections - then right click on your Wireless Network connection - click on View Available Wireless Networks Do you see your wireless network (ie. your wireless router)? If so click on your wireless router and then click Connect.
You can also click on Repair to try to reconnect to your wireless router. Let me know if it works.
As far as your primary connection is DHCP and when its detects wireless conecction it will start getting to connect to the device becoz in you configuration you choose connect to any wireless access point option. At office your laptop try to connect but the secondary Ip address and primary configuration get conflict and primary configuration ask you to repair or shows limited connectivity option. Better is enable dhcp on you both sides so that you will not face any problems
you should only need to enter the WEP key and get youre friend to remove your mac address.
You may also need to refresh the ip address of your wireless card, so go to control panel>network connections>right click to properties>TCP/IP line>properties and ensure 'obtain ip address automatically' is ticked, then reastart your pc.
Or you can also click Start>Run, then type ipconfig /flushdns, so as to renew your dns and ip address.