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Wifi limited/no connection dropout in Windows 8

Hello, I am getting a Wifi connection dropout in Windows 8 -- either as Limited Connection, or a complete disassociation with my default SSID where my network adapter can see Wifi access points, but cannot connect.  In the Limited Connection state, I need to turn off the Wifi and then turn it back on.  In the second case, I need to run Network Diagnostic and have it restart my adapter.

I have this Wifi connection dropout problem happening on 3 laptops:
Acer V5
Thinkpad X1 Carbon
Asus UX31A

Acer V5 has the Atheros AR5BWB222 adapter
Thinkpad X1 Carbon and Asus UX31A both have the Intel(R) Centrino(R) Advanced-N 6235 adapter


Drivers
--------------------
I have used the latest Acer network drivers.  There is actually a HUGE complaint/discussion going on for owners of the Acer S7 for this exact reason.  Although I use V5, both models share the same adapter (and the same problem).
The entire discussion can be found here:
http://community.acer.com/t5/Acer-Ultrabooks/Aspire-S7-391-Wifi-problems/td-p/7575

With my Thinkpad X1 Carbon I used the default drivers and I got Limited Wifi every once in a while.

With my Asys UX31A, using the default drivers, I also got Limited Wifi dropouts.  Then I decided to upgrade to Intel's latest driver and this (I think) produced a different result where I no longer got Limited Wifi, but instead I was unable to reconnect to my default SSID (Kimchi).  Supposedly because of WPA2-PSK encryption -- see below for debug info.  The connection dropout occurs within 24hours.  It seems the connection stability on the latest driver is not as good as the original as I used to be able to go on longer without dropouts.

For all 3 laptops, I keep them turned on 24/7 without shutting down or going into sleep mode.  That's how I can ascertain when the connection goes down.


My Network Router
--------------------------
I'm using an Asus RT-N16 running Tomato firmware.  It is not my router dying because other laptops can access the Web even when one laptop goes down.


Power Settings
-------------------------
In all 3 laptops I have the "Allow the computer to turn off this device to save power" unchecked


Question
-------------------------
What is going on??  Obviously there are substantial device driver changes in Windows 8.  Are manufacturers having massive problems writing working drivers for Windows 8?  I totally understand this as I am also a developer....  but shouldn't Microsoft be working with the manufacturers on getting these drivers working 100%?

Or is this a problem in Windows 8 that we need to wait for SP1??

If you do a search you will obviously find a ton of people experiencing the exact same problem as me.  And granted, some of these people will say "updating drivers fixed it" but clearly, that is not the case for a lot of people.

What's interesting is that Intel is working with Microsoft to promote Windows 8 and yet their OWN drivers have problems too??  Are they even communicating at all?

So I guess it all boils down to one question -- what is Microsoft doing about this?  Has this issue been escalated?  because clearly there is a REAL problem somewhere... whether it is a manufacturer issue, or something wrong in the way Windows 8 is working with the drivers?






Diagnostic Info with Latest Intel 15.5.7 Centrino Adapter
--------------------------------------------------------------------------
PrintWindows Network Diagnostics Publisher details 

Issues found 
Problem with wireless adapter or access pointProblem with wireless adapter or access point Fixed Fixed 
Reset the wireless adapter Completed 
Investigate router or access point issues Not run 
 

Issues found Detection details 

6 Problem with wireless adapter or access point Fixed Fixed 
 
Reset the wireless adapter Completed 
 
InformationalNetwork Diagnostics Log 
File Name:  407E3F75-EF2B-4431-9C4F-1635D33A45A9.Repair.1.etl 
 
 
Investigate router or access point issues Not run 
 
If you're connected to a hotspot or domain network, contact the network administrator. Otherwise: 1. Unplug or turn off the device. 2. After all the lights on the device are off, wait at least 10 seconds. 3. Turn the device back on or plug it back into the power outlet. To restart a router or access point that has a built-in battery, press and quickly release the Reset button. 
 

Detection details Expand 

InformationalDiagnostics Information (Network Adapter) 
Details about network adapter diagnosis: 

Network adapter Wi-Fi driver information:

   Description . . . . . . . . . . : Intel(R) Centrino(R) Advanced-N 6235
   Manufacturer  . . . . . . . . . : Intel
   Provider  . . . . . . . . . . . : Microsoft
   Version   . . . . . . . . . . . : 14.8.8.75
   Inf File Name . . . . . . . . . : C:\Windows\INF\netwne64.inf
   Inf File Date . . . . . . . . . : Wednesday, July 25, 2012  8:37:09 PM
   Section Name  . . . . . . . . . : Install_MPCIEX_GEN_6235_AGN_2x2_HMC_WIN7_64_AGN
   Hardware ID . . . . . . . . . . : pci\ven_8086&dev_088e&subsys_40608086
   Instance Status Flags . . . . . : 0x180200a
   Device Manager Status Code  . . : 0
   IfType  . . . . . . . . . . . . : 71
   Physical Media Type . . . . . . : 9

 
 
InformationalDiagnostics Information (Network Adapter) 
Details about network adapter diagnosis: 

Network adapter Bluetooth Network Connection driver information:

   Description . . . . . . . . . . : Bluetooth Device (Personal Area Network)
   Manufacturer  . . . . . . . . . : Microsoft
   Provider  . . . . . . . . . . . : Microsoft
   Version   . . . . . . . . . . . : 6.2.9200.16384
   Inf File Name . . . . . . . . . : C:\Windows\INF\bthpan.inf
   Inf File Date . . . . . . . . . : Wednesday, July 25, 2012  8:15:36 PM
   Section Name  . . . . . . . . . : BthPan.Install
   Hardware ID . . . . . . . . . . : bth\ms_bthpan
   Instance Status Flags . . . . . : 0x180200a
   Device Manager Status Code  . . : 0
   IfType  . . . . . . . . . . . . : 6
   Physical Media Type . . . . . . : 10

 
 
InformationalDiagnostics Information (Wireless Connectivity) 
Details about wireless connectivity diagnosis: 

For complete information about this session see the wireless connectivity information event.

Helper Class: Auto Configuration
 Initialize status: Success

Information for connection being diagnosed

Result of diagnosis: No problem found




 
 
InformationalDiagnostics Information (Wireless Connectivity) 
Details about wireless connectivity diagnosis: 

Information for connection being diagnosed
 Interface GUID: 729e6428-25eb-4b04-9db1-9d4763ca1785
 Interface name: Intel(R) Centrino(R) Advanced-N 6235
 Interface type: Native WiFi

Connection incident diagnosed
 Auto Configuration ID: 14
 Connection ID: 18

Connection status summary
 Connection started at: 2013-02-03 01:50:38-849
 Profile match: Success
 Pre-Association: Success
 Association: Success
 Security and Authentication: Fail

List of visible access point(s): 19 item(s) total, 19 item(s) displayed
        BSSID BSS Type PHY Signal(dB) Chnl/freq    SSID
-------------------------------------------------------------------------
BC-AE-C5-E7-C8-96 Infra <unknown> -41 8 Kimchi
B8-9B-C9-9A-C0-3B Infra <unknown> -66 11 (Unnamed Network)
B8-9B-C9-9A-C0-39 Infra <unknown> -65 11 (Unnamed Network)
00-1D-D2-BD-84-C0 Infra <unknown> -80 11 HOME-84C2
00-26-66-2F-67-DC Infra <unknown> -79 11 JUNG
00-1D-D3-3E-DD-B0 Infra <unknown> -64 6 HOME-DDB2
78-CD-8E-2B-B0-0A Infra <unknown> -73 1 (Unnamed Network)
00-1D-D3-1C-60-90 Infra <unknown> -84 11 HOME-6092
00-22-B0-B2-28-08 Infra <unknown> -88 11 cajun_doggie
78-CD-8E-2B-B0-0B Infra <unknown> -73 1 (Unnamed Network)
94-44-52-3A-16-01 Infra g -91 6 Abbeyg
78-CD-8E-2B-B0-09 Infra <unknown> -68 1 (Unnamed Network)
2C-B0-5D-86-F9-C4 Infra <unknown> -92 3 NETGEAR29
E0-91-F5-CA-3F-DA Infra <unknown> -91 2 Doublechins
30-46-9A-3E-BF-E0 Infra <unknown> -61 6 FREAK
00-24-B2-D5-04-26 Infra <unknown> -73 2 NETGEAR
78-CD-8E-2B-B0-08 Infra <unknown> -72 1 HOME-B008
B8-9B-C9-9A-C0-38 Infra <unknown> -69 11 mdlxyla
B8-9B-C9-9A-C0-3A Infra <unknown> -65 11 (Unnamed Network)

Connection History

 Information for Auto Configuration ID 14

  List of visible networks: 14 item(s) total, 14 item(s) displayed
  BSS Type PHY Security Signal(RSSI) Compatible SSID
  ------------------------------------------------------------------------------
  Infra <unknown> Yes 98 Yes Kimchi
  Infra <unknown> Yes 58 Yes (Unnamed Network)
  Infra <unknown> Yes 33 Yes HOME-84C2
  Infra <unknown> Yes 35 Yes JUNG
  Infra <unknown> Yes 60 Yes HOME-DDB2
  Infra <unknown> Yes 26 Yes HOME-6092
  Infra <unknown> Yes 20 Yes cajun_doggie
  Infra g Yes 15 Yes Abbeyg
  Infra <unknown> Yes 13 Yes NETGEAR29
  Infra <unknown> Yes 15 Yes Doublechins
  Infra <unknown> Yes 65 Yes FREAK
  Infra <unknown> Yes 45 Yes NETGEAR
  Infra <unknown> Yes 46 Yes HOME-B008
  Infra <unknown> Yes 51 Yes mdlxyla

  List of preferred networks: 3 item(s)
   Profile: FREAK
    SSID: FREAK
    SSID length: 5
    Connection mode: Infra
    Security: Yes
    Set by group policy: No
    Connect even if network is not broadcasting: No
    Connectable: No
     Reason: 0x00028001
   Profile: Kimchi
    SSID: Kimchi
    SSID length: 6
    Connection mode: Infra
    Security: Yes
    Set by group policy: No
    Connect even if network is not broadcasting: No
    Connectable: No
     Reason: 0x00028006
   Profile: fpdigital
    SSID: fpdigital
    SSID length: 9
    Connection mode: Infra
    Security: Yes
    Set by group policy: No
    Connect even if network is not broadcasting: No
    Connectable: No
     Reason: 0x00028003

 Information for Connection ID 18
 Connection started at: 2013-02-03 01:50:38-849
  Auto Configuration ID: 14
  Profile: Kimchi
  SSID: Kimchi
  SSID length: 6
  Connection mode: Infra
  Security: Yes
  Pre-Association and Association
   Connectivity settings provided by hardware manufacturer (IHV): No
   Security settings provided by hardware manufacturer (IHV): No
   Profile matches network requirements: Success
   Pre-association status: Success
   Association status: Success
    Last AP:  bc-ae-c5-e7-c8-96
  Security and Authentication
   Configured security type: WPA2-PSK
   Configured encryption type: CCMP(AES)
   802.1X protocol: No
   Key exchange initiated: Yes
    Unicast key received: No
    Multicast key received: No
   Number of security packets received: 0
   Number of security packets sent: 0
   Security attempt status: Fail 0x00048005

 Information for Auto Configuration ID 13

  List of visible networks: 15 item(s) total, 15 item(s) displayed
  BSS Type PHY Security Signal(RSSI) Compatible SSID
  ------------------------------------------------------------------------------
  Infra <unknown> Yes 99 Yes Kimchi
  Infra <unknown> Yes 58 Yes (Unnamed Network)
  Infra <unknown> Yes 30 Yes HOME-84C2
  Infra <unknown> Yes 35 Yes JUNG
  Infra <unknown> Yes 65 Yes HOME-DDB2
  Infra <unknown> Yes 26 Yes HOME-6092
  Infra <unknown> Yes 20 Yes cajun_doggie
  Infra g Yes 15 Yes Abbeyg
  Infra <unknown> Yes 13 Yes NETGEAR29
  Infra <unknown> Yes 15 Yes Doublechins
  Infra g Yes 15 Yes Cheezit
  Infra <unknown> Yes 70 Yes FREAK
  Infra <unknown> Yes 48 Yes NETGEAR
  Infra <unknown> Yes 46 Yes HOME-B008
  Infra <unknown> Yes 45 Yes mdlxyla

  List of preferred networks: 3 item(s)
   Profile: FREAK
    SSID: FREAK
    SSID length: 5
    Connection mode: Infra
    Security: Yes
    Set by group policy: No
    Connect even if network is not broadcasting: No
    Connectable: No
     Reason: 0x00028001
   Profile: Kimchi
    SSID: Kimchi
    SSID length: 6
    Connection mode: Infra
    Security: Yes
    Set by group policy: No
    Connect even if network is not broadcasting: No
    Connectable: No
     Reason: 0x00028006
   Profile: fpdigital
    SSID: fpdigital
    SSID length: 9
    Connection mode: Infra
    Security: Yes
    Set by group policy: No
    Connect even if network is not broadcasting: No
    Connectable: No
     Reason: 0x00028003

 Information for Connection ID 17
 Connection started at: 2013-02-03 01:48:38-265
  Auto Configuration ID: 13
  Profile: Kimchi
  SSID: Kimchi
  SSID length: 6
  Connection mode: Infra
  Security: Yes
  Pre-Association and Association
   Connectivity settings provided by hardware manufacturer (IHV): No
   Security settings provided by hardware manufacturer (IHV): No
   Profile matches network requirements: Success
   Pre-association status: Success
   Association status: Success
    Last AP:  bc-ae-c5-e7-c8-96
  Security and Authentication
   Configured security type: WPA2-PSK
   Configured encryption type: CCMP(AES)
   802.1X protocol: No
   Key exchange initiated: Yes
    Unicast key received: No
    Multicast key received: No
   Number of security packets received: 0
   Number of security packets sent: 0
   Security attempt status: Fail 0x00048005

 Information for Auto Configuration ID 12

  List of visible networks: 18 item(s) total, 18 item(s) displayed
  BSS Type PHY Security Signal(RSSI) Compatible SSID
  ------------------------------------------------------------------------------
  Infra <unknown> Yes 99 Yes Kimchi
  Infra <unknown> Yes 58 Yes (Unnamed Network)
  Infra <unknown> Yes 33 Yes HOME-84C2
  Infra <unknown> Yes 31 Yes JUNG
  Infra <unknown> Yes 61 Yes HOME-DDB2
  Infra <unknown> Yes 30 Yes HOME-6092
  Infra g No 13 Yes linksys
  Infra <unknown> Yes 23 Yes cajun_doggie
  Infra <unknown> Yes 11 Yes HOME-F4E2
  Infra g Yes 11 Yes lee
  Infra g Yes 8 Yes Abbeyg
  Infra <unknown> Yes 10 Yes NETGEAR29
  Infra <unknown> Yes 11 Yes Doublechins
  Infra g Yes 15 Yes Cheezit
  Infra <unknown> Yes 71 Yes FREAK
  Infra <unknown> Yes 48 Yes NETGEAR
  Infra <unknown> Yes 51 Yes HOME-B008
  Infra <unknown> Yes 58 Yes mdlxyla

  List of preferred networks: 1 item(s)
   Profile: Kimchi
    SSID: Kimchi
    SSID length: 6
    Connection mode: Infra
    Security: Yes
    Set by group policy: No
    Connect even if network is not broadcasting: No
    Connectable: No
     Reason: 0x00028006
 
 
InformationalDiagnostics Information (Wireless Connectivity) 
Details about wireless connectivity diagnosis: 

For complete information about this session see the wireless connectivity information event.

Helper Class: Auto Configuration
 Initialize status: Success

Information for connection being diagnosed
 Interface GUID: 729e6428-25eb-4b04-9db1-9d4763ca1785
 Interface name: Intel(R) Centrino(R) Advanced-N 6235
 Interface type: Native WiFi

Result of diagnosis: Problem found
 Issue referred to: L2Sec Helper Class

Root cause:
Windows could not connect to "Kimchi"
You can try to connect again.

Repair option:
Resetting your wireless network adapter
This will disable and then enable the network adapter "Wi-Fi" on this computer.


 
 
InformationalDiagnostics Information (L2sec Helper Class) 
Details about L2Sec Helper Class diagnosis: 

For complete information about this session see the Wireless Diagnostic Informational Event.

Helper Class: Layer2 Security
 Initialize Status: Success

Result of diagnosis: Problem found

Root cause:
Windows cannot connect to "Kimchi"
The wireless network security key is not correct.

Detailed root cause:
Layer 2 security key exchange using user-supplied key did not generate unicast keys before timeout

Repair option:
Verify the network security key for "Kimchi"
View the security settings. You can then type the correct security key.

Information for connection being diagnosed
 Interface GUID: {729e6428-25eb-4b04-9db1-9d4763ca1785}
 Interface name: Intel(R) Centrino(R) Advanced-N 6235
 Interface type: Native WiFi
 Profile: Kimchi
 SSID: Kimchi
 SSID length: 6
 Connection mode: Infra
 Security enabled: Yes
 Connection ID: 18
 Security settings provided by hardware manufacturer (IHV): No
 Profile matches network requirements: Yes
 Pre-Association and association status: Success
 Security and Authentication:
  Configured security type: Robust Secure Network (RSN / WPA2) for independent networks
  Configured Encryption type: CCMP (AES)
  Security connect status: Fail 0x00048005
  Number of security packets received: 0
  Number of security packets sent: 0
  802.1X protocol: No
  Key exchange initiated: Yes
   Unicast keys received: No
   Multicast keys received: No

 
 
InformationalNetwork Diagnostics Log 
File Name:  407E3F75-EF2B-4431-9C4F-1635D33A45A9.Diagnose.0.etl 
 
InformationalOther Networking Configuration and Logs 
File Name:  NetworkConfiguration.cab 
 
Collection information 
Computer Name:  HOME 
Windows Version: 6.2 
Architecture: x64 
Time: Sunday, February 3, 2013 1:51:37 AM 

Publisher details Expand 

Windows Network Diagnostics 
Detects problems with network connectivity. 
Package Version: 1.0 
Publisher: Microsoft Windows 









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Hi,

 

Thank you for posting your query in Microsoft Community.

 

 

From the description, I understand that you have issues with Wi-Fi connectivity on 3 laptops.

 

We found that few of them got the latest updates from Acer Live Updater with which the connection issues seemed to be resolved. You may download the update 218 from Acer live updater and install it on the computer and check if this helps in resolving the issue.

 

 

You may download the Acer live updater from the following link.

 

http://acer--uk.custhelp.com/app/answers/detail/a_id/15458/~/acer-updater-does-not-find-updates

 

 

The issue seems to be with the driver software as the laptops you have mentioned have Windows 8 preinstalled. You might need to get in touch computer manufacturer for the drivers.

 

You may refer to the links for additional information.

 

http://windows.microsoft.com/en-IN/windows/network-connection-problem-help#network-problems=windows-8&v1h=win8tab1&v2h=win7tab1&v3h=winvistatab1&v4h=winxptab1

 

 

http://windows.microsoft.com/en-IN/windows-8/fix-network-adapter-problems

 

 

 

Hope this helps. If the issue persists or any Windows related queries or issues, please get back to us. We are here to assist you.

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Hello,

I will be playing around with updating to latest Acer drivers and will keep an eye out.

My UX31A dropped out again and was not able to reconnect.  As mentioned earlier, the UX31A is using the latest Intel Centrino 6235 driver.  I do not get Limited Connectivity.  It just is unable to connect to any WPA2-PSK SSIDs.  I had to reset the adapter again via the Network Diagnostic program.  The debug information after the network adapter reset is pretty much identical to the information I posted earlier on.

What can you gather from the diagnostic information below?


Result of diagnosis: Problem found
 Issue referred to: L2Sec Helper Class

Root cause:
Windows could not connect to "Kimchi"
You can try to connect again.

  Key exchange initiated: Yes
   Unicast keys received: No
   Multicast keys received: No

Helper Class: Layer2 Security
 Initialize Status: Success

Result of diagnosis: Problem found

Root cause:
Windows cannot connect to "Kimchi"
The wireless network security key is not correct.

Detailed root cause:
Layer 2 security key exchange using user-supplied key did not generate unicast keys before timeout



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Hello,

Just a quick note: I have the same issue on my Samsung Series 9 laptop, using preinstalled Windows 8 Professional x64. I also read many other forums regarding this issue where many other users with many different type of laptops have this issue. From the looks of it this must be either a Windows 8 issue or a big coincidence. Is there any other suggestion/solution to this problem? As Samsung also "solves" it by saying to update the drivers which we all have.
PS: The PC and other Ultrabook running on Windows 7 has no dropout/Limited connectivity, just the Windows 8 machine(s).

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I'm having the same issue with my new Lenovo twist with pre-installed Win 8. My Vista and Win 7 laptops that are connected to the same router/network have no issues. The problem happens when my laptop goes into hibernation. When I bring it out of hibernation that's when the "limited" wifi connectivity shows up. I have to disconnect and re-connect to get full internet working again.

 

I read a few posts where the default setting for running on battery automatically drops wifi to conserve battery power but I'm not running on battery. This is so frustrating!! I have all the latest Microsoft/Lenovo updates installed.

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I just got the same with my Samsung Series 9 laptop with Windows 8 after turning it on from a long hibernation. I changed IPv4 settings of the adapter to use a fixed IP address/gateway/DNS server and it works again knock wood. Not ideal, but at least I can use it again.

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I also have the exact same problem.. No other pc has this problem except for this Gateway Windows 8. I have called gateway,,, no help,,, unless I am willing to pay for it... REALLY???,, I have had this piece of garbage since Feb. 2013,, and problem still exist... SUCKS, SUCKS, SUCKS.

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I ended up restarting the router and it helped. It's as if my laptop messed the router up and the router refused to comunicate with it. My other laptop, Kindle, phone, Surface RT all connected fine, so I thought router was fine. But after all it had issues only with the laptop. Now it works, knock wood. And I am shutting it down instead of putting it to sleep. It's pretty quick anyway.

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After I turned it on again it was back to the limited connection. So I am back to fixed IP instead of DHCP, I am not resetting my router each time the laptop messes it up, be it OS or the hardware.

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I have a Gateway Nes6r49u and I'm losing full wifi connection to limited connection. I have to reconnect to get Full internet connection. This happens a lot. I'm running windows 8.  None of my other wifi devices have a problem. Nexus tablet and android phone are fine.

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I hear you Hairymoot,,, Gateway sucks and windows 8 is horrible. Good luck, I have been fighting with this problem for 5 months, that's how long I have owned this piece of garbage.

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Question Info

Last updated January 9, 2021 Views 30,612 Applies to: