New Intel WIFI Link Driver Randomly cut off Internet Connection

Two day ago I used ThinkVantage SYstem Update and installed Intel Wifi link driver (ver 13.01.1000). But since then my computer was randomly cut off internet connection, and the wireless signal strength icon on the system tray indicated no nearby wireless network. And then it powered off the wireless connection. Whatever I do, I cannot re-power on the wireless (I used Access Connection to power on the 802.11 wireless radio, but it could not be turned on and nothing happened) unless I restart the computer.
I thought it might be the router that malfunctioned as this problem never happened before. But after I checked the router and used another notebook to test wireless connection, I was sure the router ran very well.
Then I re-installed the TVT Access Connection (ver 5.61) and the Intel WIFI Link Driver (ver 13.01.1000) but the problem remained. Could anybody give a possible solution?
I also noticed on Lenovo's website, the Intel wireless card driver for T61 is v13.00.0000 Windows Vista 23 Oct 2009. It's lower than what I have now. Could that be the cause?
My ThinkPad T61 has the following configuration:
Model: T61 8897CTO
OS: WinVista Home Basic SP2 32bit
Language: EN
Wireless Card: Intel 3945 ABG
Wireless Card Driver: 13.1.1.1 (previous one was 13.0.0.0)
TVT Access Connection: 5.61
Solved!
Go to Solution.

Hi carlven,
Anytime when wireless driver is updated, Access Connections also needs to be reistalled.
Do this, first uninstall your wireless driver and access connections, thereafter reboot your system. Then install wireless driver first, again reboot, subsequently install access connections, reboot again.
When installing any lenovo driver manually, keep in mind they first extract themselves to a default location in C:\Drivers..., second .exe setup must be run from that location to successfully install the drivers.
Hope it helps.
Maliha (I don't work for lenovo)
ThinkPads:- T400[Win 7], T60[Win 7], IBM 240[Win XP]
IdeaPad: U350
Apple:- Macbook Air [Snow Leopard]
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mellimik wrote:
Going through the README for Access Connections reveals T400 is one of the supported models, but Intel WiFi Link 5300 is not mentioned in the wireless adapter list. 5100 is, but not 5300. Now I'm not sure if the Lenovo's documentation is just not up-to-date, or what?
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mellimik wrote:
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