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Wireless LAN software - ThinkPad 802.11ab, 802.11abg, and 802.11bg for Windows 2000 and XP - ThinkPad G40, R40, R50, R50p, R51, R51e, T40, T40p, T41, T41p, T42, T42p, X31, X40, X41
This package provides the Wireless LAN driver and Utility Software for the following Wireless LAN adapters for Microsoft Windows 2000 and Microsoft Windows XP.

- IBM Dual-Band Wi-Fi Wireless Mini-PCI Adapter (11ab)
- IBM 11abg Wireless LAN Mini PCI Adapter
- IBM 11bg Wireless LAN Mini PCI Adapter

This release supports the following ThinkPad systems:

- ThinkPad G40
- ThinkPad R40
- ThinkPad R50, R50p, R51, R51e
- ThinkPad T40, T40p, T41, T41p, T42, T42p
- ThinkPad X31
- ThinkPad X40, X41

Note: This driver is language independent and can be used with any language system.
Additional information

Note: For Microsoft Windows 98 SE and NT 4.0, the driver for this package can be obtained here.

Contents
Summary of changes
Driver limitations for Windows 2000 and XP
Installation information for Windows 2000, and XP
Determining which version is installed

Summary of changes

Version 4.1.2.156 (77WC39WW)

  • (Fix) Connection do not recover when channels are changed in 802.11a mode

Click here for a complete list of changes fixed by this driver update.

Driver limitations for Windows 2000 and XP
  • If you currently use IEEE 802.1x authentication on Windows XP Service Pack 1 and do not use WPA encryption, it is recommended to uninstall Q826942 (WPA Supplicant update in Windows XP ) and Q815485 (WPA Wireless Security Update in Windows XP).
    To check if the Q826942 or Q815485 is installed and to uninstall it:
    1. Start Windows XP and logon with administrative privileges.
    2. For Windows XP with Classic Start menu, click Start, select Settings, and click Control Panel. Otherwise, click Start, then click Control Panel.
    3. Click Add or Remove Programs.
    4. Click Windows XP Hotfix (SP2) Q826942 or Windows XP Hotfix (SP2) Q815485 if it is listed under Currently installed programs.
      Note:
      The above action will remove all the fixes within the update rollup package, Q826942. You may need to reinstall the other specific hotfixes you expect for this rollup package.
    5. Click Remove and follow the instructions on the screen.

  • If you use Windows 2000, please stop the Microsoft Wireless Configuration service if already installed. To check if the service is installed and to stop it:
    1. Start Windows 2000 and logon with administrative privileges.
    2. Click Start, select Settings, then click Control Panel.
    3. Double-click Administrative Tools then Services.
    4. Double-click Wireless Configuration if it is listed.
    5. Change Startup type to Disabled if it is not.
    6. Click OK.

  • You may need to re-enter security information after updating the Wireless LAN driver.

Installation information for Windows 2000, and XP
Notes:
  1. Start Windows 2000 or XP and logon with administrative privileges.
  2. Extract this package to the hard drive.
  3. Click Start, then click Run.
  4. In the Open field, type the directory where the file was downloaded and extracted to.
  5. Follow the instructions on the screen.
  6. Restart the system.

Unattended install
Note: This is for system administrators' use only.
  1. Refer to the Manual Install section, and download and expand the files.
  2. At the command line, execute SETUP.EXE with the -S option.

    [Path where the files were extracted]\SETUP -S

Uninstall
  1. Start Windows 2000 or XP and logon with administrative privileges.
  2. Windows XP: Click Start, then click Control Panel.
    Windows 2000: Click Start, select Settings, and then click Control Panel.
  3. Double-click Add/Remove Programs.
  4. Click ThinkPad Wireless LAN Adapters Software (11a/b, 11b/g, 11a/b/g).
  5. Click Change/Remove and follow the instructions.
  6. Restart the computer.

Determining which version is installed
  1. Start Windows 2000/XP.
  2. Windows 2000: Click Start, select Settings then click Control Panel. Double-click the Add or Remove Programs icon.
    Windows XP: Click Start, select Control Panel. Click the Add or Remove Programs icon.
  3. Click ThinkPad Wireless LAN Adapters Software(11ab, 11b/g, 11abg).
  4. Click Click here for support information.
  5. Check the driver version.
NameOperating SystemVersionReleasedAdd to
download list
Download
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README for ThinkPad Wireless LAN Adapter Software (11a/b, 11a/b/g)
77wc39ww.txt
19.09 KB
4.1.2.156 15 Jun 2007
ThinkPad Wireless LAN Adapter Software (11a/b, 11a/b/g)
77wc39ww.exe
4.62 MB
4.1.2.156 15 Jun 2007


If you are unable to find what you are looking for, please do try the following options:
1. Lenovo Assisted Search
2. Product usage and general troubleshooting tips
3. Lenovo Support Forum
4. Technical Support Call Centre

Country Availability
AvailableWorldwide
Document ID : DS002379
Legacy Document ID : MIGR-67214
Last Updated :
Copyright © Lenovo 2013, all rights reserved
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