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[驱动] x61s更新无线网卡驱动后拨号出现720错误的解决办法。

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发表于 2008-5-5 17:07:09 | 显示全部楼层 |阅读模式
xp sp3,昨天上班的时候手动更新了无线网卡的驱动后,突然发现本地连接没有了,ipconfig /all 也看不到以太网卡信息,但在设备管理器中以太网卡状态又正常,只好在设备管理器中将以太网卡驱动卸了,然后重新查找设备,安装驱动,本地连接又有了,但接下来一进行PPPoe拨号,在提示“正在网络上注册您的计算机”时,弹出720错误,意思大概是ppp设置与远程不匹配所致,晕哦,然后就一阵瞎折腾,重装网卡驱动,重新copy tcpip.sys文件,重启...还是不行,于是想到用cdma卡拨号上网google,晕,也是一样的720错误,没办法了,难道真要重新恢复系统?不甘心!于是,在别人机子上google了一下,发现遇到这种问题的还真不少,但大多不了了之,最后终于在lenovo的英文论坛上找到一篇文章,写的比较详细,照着一步一步做,终于成功了!!

      为了让各位黑友以后遇到此类问题时少走弯路,把链接地址和原文转贴如下(中文注释是我加的):
      http://forums.lenovo.com/lnv/boa ... s&thread.id=398
     
  1. If you are experiencing this when trying to use Dialup Networking (ThinkPad Modem) or Verizon VZAccess Broadband, the following may be useful. Note, the solution involves modifying the registry on XP so it is not for the faint of heart.
  2.       
  3.       Note that a key symptom of this problem is that the modem connects and then disconnects just after trying to register thecomputer on the remote network.
  4.       
  5.      Step 1: Uninstall the WAN Miniport (IP) and WAN Miniport (PPTP)
  6.       
  7.       IMPORTANT: This procedure contains information about modifying the registry.Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base: 256986
  8. ([url]http://support.microsoft.com/kb/256986/EN-US/[/url]) Description of the Microsoft Windows Registry
  9.       
  10.       SYMPTOMS
  11.       When you try to use a dial-up connection to connect to your Internet Service Provider (ISP), you may receive the following error message during the"Registering your computer on the network" portion of the connection agreement:
  12.       Error 720 - the connection attempt failed because your computer and the remote computer could not agree on PPP control protocol.
  13.       Additionally, when you view the devices in Device Manager, you may notice a yellow exclamation mark (!) over the icon for the WAN Miniport IP (#2) device.(注:这个也不一定,我的就没有黄色的感叹号)

  14.      CAUSE
  15.      This issue may occur if the TCP/IP protocol has become unbound from the dial-up adapter, or if a conflict is created when a second WAN Miniport IP device driver loads.

  16.      RESOLUTION
  17.      To resolve this issue, uninstall the WAN Miniport IP and PPTP devices.To do so, follow these steps:
  18.      1. Right-click My Computer, and then click Properties.
  19.      2. Click the Hardware tab, and then click Device Manager.
  20.      3. On the View menu, click Show hidden devices.
  21.      4. Under Network adapters, you will see WAN Miniport IP devices. If a WAN Miniport IP device is listed, continue to the following step. If no WAN Miniport IP device is listed, go directly to step 16.
  22.      5. Click Start, click Run, type regedit in the Open box, and then click OK.
  23.      WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.
  24.      6. Locate the following registry subkey:
  25.      HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E972-E325-11CE-BFC1-08002BE10318}
  26.      7. On the Registry menu, click Export Registry File, type backup-key in the File name box, and then click Save.
  27.      Note You can restore the changes that you make to this registry key. To do so, double-click the backup-key.reg file that you saved.
  28.      8. Click each of the registry subkeys under this key, and then view the Data column of the DriverDesc value to determine which of the subkeys corresponds to WAN Miniport (IP). For example, the 0005 subkey.
  29.      9. Right-click the subkey whose DriverDesc value data is WAN Miniport (IP) or WAN Minport (PPTP); (for example, right-click 0005), and then click Delete. Click Yes to confirm that you want to delete the key.
  30.      10. Quit Registry Editor.
  31.      11. Right-click My Computer, and then click Properties.
  32.      12. Click the Hardware tab, and then click Device Manager.
  33.      13. On the View menu, click Show hidden devices.
  34.      14. Under Network adapters, right-click WAN Miniport (IP) and then click Uninstall. Click OK to confirm that you want to remove this device.
  35.      15. Repeat for the WAN Miniport (PPTP).(注:8-15步中最好把WAN Miniport(PPPoe)也一起删了)

  36.      Step 2: Reinstall the WAN Miniports
  37.       1. Find netrasa.inf in c:\windows\inf (注:inf是个隐藏系统文件夹)
  38.       2. Make a copy of the file and name it netrasa.inf.save
  39.       3. Open the orignal copy of netrasa.inf and place a semicolon in front of the line that starts "Excludefromselect=\" and and continue with all follwing lines and then end with "MS_NdisWanNbfIn,MS_NdisWanNbfOut" under the [ControlFlags] section. (all lines between)

  40.       Step 3:
  41.       1. Start a Add new hardware session (from Control Panel) and choose that the hardware is already installed. Choose to "Add New Hardware" and then select "Network Adapters" followed by "Microsoft" and then both the PPTP and the IP Wan miniport one at a time.
  42. (NO need to reboot between these steps)(注:如果前面删了pppoe,那也一并装上)
  43.       2. After you finish both then reboot.
  44.       3. Select Start -> Run and type: netsh int ip reset c:\resetlog.txt(For details, see [url]http://support.microsoft.com/kb/299357[/url])
  45.       4. Reboot and try your connection.
  46.       5. Delete the modified netrasa.inf and rename the original (which was saved as netrasa.inf.save) back to netrasa.inf
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      OK!

[ Edited by  ghost_diy on 2008-5-5 17:09 ]

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发表于 2008-5-5 17:18:37 | 显示全部楼层
谢谢楼主。看到一部分讨论认为是MS特定的五个update对盗版系统特异的××。
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 楼主| 发表于 2008-5-5 17:33:03 | 显示全部楼层
呵呵,我是用的nbstar的xp ghost光盘,lenovo的oem序列号都有,正版验证好像也通的过。
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发表于 2008-5-12 19:21:10 | 显示全部楼层
LZ,please 翻译下?
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 楼主| 发表于 2008-6-3 18:37:59 | 显示全部楼层
不好意思,我的英文水平一般,看勉强还看得懂,翻译就只有麻烦站上的其它高人了。
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发表于 2008-12-15 18:47:27 | 显示全部楼层
对楼主的敬仰之情如滔滔江水,绵绵不绝!!!
俺用的是egde上网,每次拨号都是720错误。用了楼主的办法后一次解决。

个人感觉不是xp版本的问题。俺两台小黑装的都是同样的番茄,在x60上就有这个问题,R40就没有。。。。但是俺弟兄和俺一样的x60,一样的网卡,一样的xp,他就没有这个问题。。。。难道这就是RP问题
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