I have an IBM Thinkpad T41. I have problem with my wireless network connection. It started suddenly couple of days ago. The wireless signal indication is strong, but the wireless connection status is: limited or no connection. When I use the repair button to repair the problem, I get the following message: "TCP/IP is not enabled for this connection. Cannot proceed."
When I tried to use the cable plug-in connection, it is all fine, no problem.
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You need to install the wireless card driver for the T41 ThinkPad.
The same model ThinkPadcan have different types of network, video and audio drivers and unless youknow exactly which one is installed in your ThinkPad, you need to download allthe drivers and install each driver until you find the right driver.
When you download thedrivers, write down the device driver and it's file name so you have a recordof which driver you are installing and which directory the unzipped files arelocated on your hard drive.
Go to the IBM/Lenovo WEBsite - support/download page and download the latest Windows device drivers foryour model computer, Use this link: -
You can download thevarious drivers and then you click on and run the various driver files, theywill then unzip and expand into a sub folder on C:\drivers Then install thevarious drivers from this folder (run the set-up file).
Make sure the wireless is turned on (there is a switch right under the screen), and you must know the password/name of the wireless network your attempting to connect to. Windows will have a wireless logo in the bottom right for you to click on and pick which of the available networks you want to connect to.
Hello, if you see a yellow exclamation mark it means device drivers are not installed or are incorrect.
below is the link for IBM/Lenovo site that lists all the drivers for Thinkpad T40/T41. Go to that linkand scroll down to " Wireless Networking" and select the appropriate drivers: eg: Make sure it under T40 section, and not T41 since they are listed side by side.
since i am not sure which exact wireless card your T40 has i am posting this main link where it lists all options.
I would start with "ThinkPad 802.11bg wireless LAN Mini PCI adapter" if this doesn't work try next one in the list.
here is the link: http://www-307.ibm.com/pc/support/site.wss/MIGR-46258.html#wireless
I hope this helps, let me know if there is a problem.
check you have the driver installed by right hand clicking on my computer, select propertys then go to device manager. you will se everything hardware on your pc. check you have drivers instaled under wireless card. if you havent go to the IBM website and download them.
Just double check that you have'nt accidently dissabled it by way of a shortcut key or switch on the front of the laptop in some cases.
If not go to network connections, then locate your wireless network card and see if it says connected, if not right click and select connect.
If still not responding, go to my computer>properties>hardware> device manager and go down the list to network adapters, click on it and see if there is an exclamation mark on it, if so there is a driver problem.
If not right click on it, select uninstall, then restart your pc and let windows find it again and install drivers and try connecting to your network again.