Access Connection和无线上网问题一般性解决办法猜想

4月21日，AC升级到4.12版本，改进如下:
Version 4.12
(New) Support Cisco AIRONET CB21AG 802.11 a/b/g wireless adapter
(New) Support Cisco AIRONET CB21AG 802.11 a/b/g CardBus card Gina (CSCOGINA.DLL)
(New) Support Guardian Edge Technology Encryption Anyware Gina (EPHDGINA.DLL)
(New) Support NetTime SecureLOCKey Gina (NLCKGINA.DLL)
(New) Support AT&T Dialer Gina (NETGINA.DLL)
(New) Support for Vodafone Wireless WAN modem adapter
(New) Support Option GT Max Wireless WAN PC Card
(New) Support Sierra Wireless AirCard 860 WAN PC Card
(New) Support Novatel Wireless EvDO Verizon WAN PC Card
(New) Support Single sign on wireless connection under multi-domain environment for PEAP (MSCHAP-v2) 802.1x authentication by adding domain name entry field
(New) Support individual log-on user PAC for 802.1x EAP-Fast wireless LAN connection
(Fix) Buffer overflow error when find wireless network is used or when resumed from suspend
(Fix) Logoff script is not executed using wireless adapter during Windows shutdown
(Fix) Sometimes Access Connections shows disconnected status even when actually connected to network
(Fix) Access Connections main program crashes if EAP-TLS profile is created without user certificate specified on wireless setting menu
(Fix) Unable to edit or delete the profile imported from Access Connections 3.x
(Fix) Upgrade install from old version of Access Connections to 4.x shows the QCTRAY help menu at bootup time
(Fix) Proxy setting does not work even it is set in the profile
(Fix) Default gateway address is not cleared when profile is swiched from static IP profile to DHCP file (issue on Windows 2000 platform)
(Fix) Single sign on profile does not connect using wireless LAN when Novel network client is used


6月21，升级Intel无线网卡驱动，改进如下：

Version 10.1.1.3 - 7AWC09WW
Supports Access Connections 4.11 or higher.
(New) Support for ThinkPad R60, R60e, Z61e, Z61m, Z61t.
(New) Support for Access Connections 4.12.
(Fix) No display version in Add/Remove Programs 'Support Info'.
(Fix) PC Doctor Network Link test at Windows shows blue screen.
(Fix) EAP-FAST with manual PAC fails to connect.
(Fix) Driver is not correctly installed when PATH environment
variable length is over 530 characters.
(Fix) Advanced settings in Device Manager are not preserved across
driver update.
(Fix) Cannot connect easily if AP is set to near.（居然有因为AP过近导致不能联网的问题）
(Fix) Signal strength changes rapidly.
(Fix) Intermittent suspend/resume issue.

仔细看看，上面是否有你的问题？

无论是AC不正常还是不能连网，包括不能打开/关闭无线，找不到网络。可以尝试：
1、卸载AC，重启
2、升级网卡驱动到上述最新，重启
3、重新安装AC，重启。

重点是网卡驱动版本和AC版本之间是相互吻合的。
要坚持重启。
要坚持直接下载后安装，不用Soft installer或其他升级工具。

坚信官方的版本总有其一定道理。看到有兄弟在不同版本间来回反复和匹配，可能正是问题的根源。上面这样处理后，本人X60s无线和AC再没任何问题，方便非常。

个人浅薄经验，供分享，指正。

恩恩，所见略同：）