Does not connect to Wi-fi networks


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Hello. Faced with this problem, I had that day. Can anyone tell me how to overcome? Features:
1.) laptop(Acer Aspire 5732Z), running Win7.
2.) Wireless network adapter Broadcom 802.11 g(ID hardware: PCI\\VEN_14E4&DEV_4315&SUBSYS_E01B105B&REV_01)

The problem:
wi-fi adapter included. On the panel of the laptop is blinking wi-fi led(adapter included), Windows network adapter is enabled. In the system tray click on the networking icon, choose from the list of my desired network, click "Connect" and nothing happens. Asks security key, and no message is shown at all. The connection, of course, is not set. Also noticed that if the control Center network and sharing click on "configure a new connection or network" also nothing happens(a window should open where you are prompted to configure a new connection). One more thing: if you go to "Manage wireless networks" in the same window, by clicking on the "Add" button also nothing happens. Also on my laptop with Ubuntu 10.10 installed, her wi-fi connects and works fine.
PS Tried to install the wood on this wireless adapter from completely different places. Downloaded with of. site acer.ru and just looking at the device ID. Anyway, in Win7 does not connect to wi-fi. Also yuzal netsh wlan(manual is studied carefully), no solution is found. Stayed on the fact that I realized that there is no connection profile, and create new does not work.
P. P. S. I don't know how important this is in my situation, but here is ipconfig /all:

C:\\Windows\\system32>ipconfig /all

IP configuration for Windows

The wireless LAN adapter Wireless network connection 4:

The state of the environment........: The transmission medium is not available.
DNS-suffix of this connection.....:
Description.............: Microsoft Virtual WiFi Miniport Adapter #
5
Physical address.........: C4-17-FE-C2-CF-07
DHCP is enabled...........: Yes
Autoconfiguration enabled......: Yes

The wireless LAN adapter Wireless network connection:

The state of the environment........: The transmission medium is not available.
DNS-suffix of this connection.....:
Description.............: Network adapter Broadcom 802.11 g #3
Physical address.........: C4-17-FE-C2-CF-07
DHCP is enabled...........: Yes
Autoconfiguration enabled......: Yes

Ethernet adapter local area Connection:

DNS-suffix of this connection.....:
Description.............: Atheros AR8132 PCI-E Fast Ethernet Contro
ller
Physical address.........: 00-13-77-6F-85-46
DHCP is enabled...........: Yes
Autoconfiguration enabled......: Yes
IPv4 address............: 10.78.33.181(Main)
Subnet mask..........: 255.255.248.0
Rent received..........: 20 November 2010 18:18:39
The lease expires..........: 30 November 2010 18:18:38
Default gateway.........: 10.78.32.1
The DHCP server...........: 172.30.78.6
DNS servers...........: 172.29.78.11
172.29.78.11
Primary WINS server.......: 255.255.255.255
Secondary WINS server......: 255.255.255.255
NetBios over TCP/IP........: Included

Tunnel adapter isatap.{C8011381-5EEB-4DF3-8705-D78FE4FDB450}:

The state of the environment........: The transmission medium is not available.
DNS-suffix of this connection.....:
Description.............: Adapter Microsoft ISATAP
Physical address.........: 00-00-00-00-00-00-00-E0
DHCP is enabled...........: No
Autoconfiguration enabled......: Yes

Tunnel adapter isatap.{EC33F73C-7533-45B2-B6E4-5BD61DD8A98F}:

The state of the environment........: The transmission medium is not available.
DNS-suffix of this connection.....:
Description.............: Adapter Microsoft ISATAP #2
Physical address.........: 00-00-00-00-00-00-00-E0
DHCP is enabled...........: No
Autoconfiguration enabled......: Yes

Tunnel adapter Teredo Tunneling Pseudo-Interface:

DNS-suffix of this connection.....:
Description.............: Teredo Tunneling Pseudo-Interface
Physical address.........: 00-00-00-00-00-00-00-E0
DHCP is enabled...........: No
Autoconfiguration enabled......: Yes
IPv6 address............: 2001:0:5ef5:79fd:2ca2:2f0:9253:f0f6(Foundations
Noah)
The local IPv6-address of the channel...: fe80::2ca2:2f0:9253:f0f6%12(Preferred)
Default gateway.........: ::
NetBios over TCP/IP........: Disabled

Tunnel adapter isatap.{17B37C40-B46D-49EC-B681-55C991D16CED}:

The state of the environment........: The transmission medium is not available.
DNS-suffix of this connection.....:
Description.............: Adapter Microsoft ISATAP #3
Physical address.........: 00-00-00-00-00-00-00-E0
DHCP is enabled...........: No
Autoconfiguration enabled......: Yes
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4 Answers

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Native Win7 OEM? In the event log application and system is something suspicious there?
by
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Well, technically no. The one that was initially was removed. Then re-set and activated on the phone(that is itself Windows me license). In the event log here is the log, the System(write only what appears immediately after turning on the wireless adapter, the rest is nothing suspicious in the logs):
1.) Error starting module extensibility wireless network.
\r
The path to the module: C:\\Windows\\System32\\bcmihvsrv.dll
Error code: 193
\r
Source: WLAN-AutoConfig
Event ID: 10000
\r
2.) The initialization failed because of the inability to create a device driver. Use "C417FEC2CF07" to define an interface that has failed initialization. String is a MAC address of the interface at which the failure occurred initializing, or the globally unique interface identifier (GUID) if NetBT was unable to map from GUID to MAC address. If neither the MAC address nor the GUID, then this string is the name of the device in the cluster.
\r
Source: NetBT
Event ID: 4311
\r
3.) Absolutely identical to item # 2.
by
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If to the router, then try turning off the encryption and the password.
Try to resturtant service WLAN Auto-Config
by
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apparently not available to me now, the ability to manage encryption or anything like that. When I open this window:
\rimage
the "Add" button is not pressed. That is, it turns out that I have at the moment, there is no "desktop" profile. Was previously(from networks to which they connect). But when the first time failed to connect to the wi-fi was to identify the cause, try to remove all profiles. And now they are not.
\r
Service restartul. Anyway, I already tried to start/restart/stop all services that might be relevant to the case. Nothing helps.
by

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