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Windows 7: Wifi disconnecting and cutting out

20 Jul 2013   #1
kyrios

Windows 7 Home Premium 64bit
 
 
Wifi disconnecting and cutting out

Hello everyone,

I am using a Fujitsu lifebook LH531 on Windows 7. I used to live in a boarding school so now I am at home for the holidays and I found out that my wifi connection at home is cutting out abnormally, however, my phone (an LG Optimus Black) can perfectly maintain a connection with the router. This happens in my room mostly, and is rather irritating so I would appreciate any help! Thank you!

The laptop comes with an Atheros AR5B195 adapter, and the router in question is a TP-link TL-WR1043ND (version 1.9).

It might also help if I mention that my laptop crashed before and I got a technician to reinstall windows. He also selected some drivers and reinstalled them. This might be the cause of the disconnecting behaviour but I failed to find any new drivers or firmware for my devices.

Again, I'd really appreciate any and all help! I'm quite bothered by the fact that my computer can't receive a stable signal while my phone can and hopefully I can fix that (preferably without spending money as this is a fairly new router that my family bought) with your help!

I'd be happy to provide any extra information or specs, but I don't know where to start because this is a fairly new side of windows to me. Sorry!

Thank you in advance,
Kris


My System SpecsSystem Spec
.

23 Jul 2013   #2
archer

Windows 7 ultimate x64
 
 

Hi Kyrios, Please check if the router firmware is up to date. Please update the same. Try to connect your laptop directly with the router and check if the connection is intermittent. Mobiles and routers mostly use the same frequencies. So, the connection between them can be flawless.

Many wireless items have a pre-established default channel of six. If you notice a lot of interference with your Wi-Fi connection, changing the channel away from six may solve the problem. However, make sure that all of the wireless devices that are on that same network are also using the same channel. Another thing to keep in mind is that some Wi-Fi channels can overlap with one another. If you keep your channels as far apart as possible, there will be much less of a chance of overlap and interference.
My System SpecsSystem Spec
23 Jul 2013   #3
Shadowjk

Windows 7 Professional x64 SP1 ; Windows Server 2012 R2 Standard
 
 

The above post should help however if you have multiple wireless access devices (Routers, access points) in your house and wish to join them then make sure the SSID is the same but you must make sure that the wireless channels are different on each router/access point as this can 'cancel' out the other channels. Channel 1,6 and 11 are the best since neither channels overlap each other. A diagram below should help show how some channels can 'bleed' into others:

-2.4_ghz_wi-fi_channels_802.11bg_wlan1.png

Note   Note
Depending on the type of wireless protocol your wireless router/access points support you may find that it does not support any channels higher than 11.

Also please be aware that these channels can overlap with your neighbors wi-fi therefore some experimentation to be able to pick the best channel may be needed


Josh!


My System SpecsSystem Spec
.


15 Sep 2013   #4
kyrios

Windows 7 Home Premium 64bit
 
 

Sorry it took so long to respond; I was swarmed by coursework.

To Shadowjk: I do not have multiple routers nor access points in my apartment, and I am already aware of the channel interference problem, but none of the settings available to me helped (not even 'Auto'). Thank you for your help regardless.

To archer: I have updated my router firmware, as well as my network card firmware. However I seem to be having some trouble with the second one as it is apparently a WLAN + Bluetooth card, but I do not know the model numbers for each one. I would like to ask for help (from anyone, really) to find a suitable site for downloading the proper drivers, and to find the model number of the WLAN module.

Thank you, both of you for your help. Fingers crossed... I really want to solve this problem.

Attached below - Windows troubleshooting results:

Code:
Windows Network Diagnostics Publisher details 

Issues found 
Problem with wireless adapter or access pointProblem with wireless adapter or access point Fixed  
Reset the wireless adapter Completed 
Investigate router or access point issues Not run 
Refer to Windows Help and Support for more information about wireless connectivity problems Not run 
 

Issues found Detection details 

6 Problem with wireless adapter or access point Fixed  
 
Reset the wireless adapter Completed 
 
Network Diagnostics Log 
File Name:  B8862C3D-1194-440A-9313-8BA8990F4CCD.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. 
Refer to Windows Help and Support for more information about wireless connectivity problems Not run 
 
Windows cannot resolve your wireless connectivity issue. 
 

Detection details  

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

Network adapter Wireless Network Connection driver information:

   Description . . . . . . . . . . : Atheros AR9002WB-1NG Wireless Network Adapter
   Manufacturer  . . . . . . . . . : Atheros Communications Inc.
   Provider  . . . . . . . . . . . : Atheros Communications Inc.
   Version   . . . . . . . . . . . : 9.2.0.206
   Inf File Name . . . . . . . . . : C:\Windows\INF\oem18.inf
   Inf File Date . . . . . . . . . : Monday, January 03, 2011  9:37:10 AM
   Section Name  . . . . . . . . . : ATHR_DEV_OS61_161910CF.ndi
   Hardware ID . . . . . . . . . . : pci\ven_168c&dev_002b&subsys_161910cf
   Instance Status Flags . . . . . : 0x180200a
   Device Manager Status Code  . . : 0
   IfType  . . . . . . . . . . . . : 71
   Physical Media Type . . . . . . : 9

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

Information for connection being diagnosed
 Interface GUID: 93e1bb4b-b49a-4ce6-a508-d89017ce5ce3
 Interface name: Atheros AR9002WB-1NG Wireless Network Adapter
 Interface type: Native WiFi

Connection incident diagnosed
 Auto Configuration ID: 5
 Connection ID: 6

Connection status summary
 Connection started at: 2013-09-15 22:22:59-528
 Profile match: Success
 Pre-Association: Success
 Association: Success
 Security and Authentication: Success

List of visible access point(s): 1 item(s) total, 1 item(s) displayed
        BSSID		BSS Type PHY	Signal(dB)	Chnl/freq    SSID
-------------------------------------------------------------------------
64-70-02-94-06-84	Infra	 <unknown>	-78		11	 Hexagon

Connection History

 Information for Auto Configuration ID 5

  List of visible networks: 1 item(s) total, 1 item(s) displayed
  BSS Type PHY	Security	Signal(RSSI)	Compatible	SSID
  ------------------------------------------------------------------------------
  Infra	 <unknown>	Yes		44	Yes		Hexagon

  List of preferred networks: 6 item(s)
   Profile: AndroidAP2503
    SSID: AndroidAP2503
    SSID length: 13
    Connection mode: Infra
    Security: Yes
    Set by group policy: No
    Connect even if network is not broadcasting: No
    Connectable: No
     Reason: 0x00028002
   Profile: Enter, the struggler
    SSID: Enter, the struggler
    SSID length: 20
    Connection mode: Infra
    Security: Yes
    Set by group policy: No
    Connect even if network is not broadcasting: No
    Connectable: No
     Reason: 0x00028002
   Profile: DBS-Staff
    SSID: DBS-Staff
    SSID length: 9
    Connection mode: Infra
    Security: Yes
    Set by group policy: No
    Connect even if network is not broadcasting: No
    Connectable: No
     Reason: 0x00028002
   Profile: Unknown Pleasures
    SSID: Unknown Pleasures
    SSID length: 17
    Connection mode: Infra
    Security: Yes
    Set by group policy: No
    Connect even if network is not broadcasting: No
    Connectable: No
     Reason: 0x00028002
   Profile: DBS
    SSID: DBS
    SSID length: 3
    Connection mode: Infra
    Security: Yes
    Set by group policy: No
    Connect even if network is not broadcasting: No
    Connectable: No
     Reason: 0x00028002
   Profile: Hexagon
    SSID: Hexagon
    SSID length: 7
    Connection mode: Infra
    Security: Yes
    Set by group policy: No
    Connect even if network is not broadcasting: No
    Connectable: Yes

 Information for Connection ID 6
 Connection started at: 2013-09-15 22:22:59-528
  Auto Configuration ID: 5
  Profile: Hexagon
  SSID: Hexagon
  SSID length: 7
  Connection mode: Infra
  Security: Yes
  Pre-Association and Association
   Connectivity settings provided by hardware manufacturer (IHV): Yes
   Security settings provided by hardware manufacturer (IHV): No
   Profile matches network requirements: Success
   Pre-association status: Success
   Association status: Success
    Last AP:  64-70-02-94-06-84
  Security and Authentication
   Configured security type: WPA2-PSK
   Configured encryption type: CCMP(AES)
   802.1X protocol: No
   Key exchange initiated: Yes
    Unicast key received: Yes
    Multicast key received: Yes
   Number of security packets received: 0
   Number of security packets sent: 0
   Security attempt status: Success
 Connectivity
   Packet statistics
    Ndis Rx: 0
    Ndis Tx: 0
    Unicast decrypt success: 0
    Multicast decrypt success: 0
    Unicast decrypt failure: 390
    Multicast decrypt failure: 0
    Rx success: 398
    Rx failure: 2181480
    Tx success: 105
    Tx failure: 10
    Tx retry: 31
    Tx multiple retry: 17
    Tx max lifetime exceeded: 0
    Tx ACK failure: 868079
   Roaming history: 1 item(s)
     Times: 2013-09-15 22:23:03-968
    Roamed from BSSID:  64-70-02-94-06-84
     Reason: 0x00010002

 Information for Auto Configuration ID 4

  List of visible networks: 1 item(s) total, 1 item(s) displayed
  BSS Type PHY	Security	Signal(RSSI)	Compatible	SSID
  ------------------------------------------------------------------------------
  Infra	 <unknown>	Yes		42	Yes		Hexagon

  List of preferred networks: 6 item(s)
   Profile: AndroidAP2503
    SSID: AndroidAP2503
    SSID length: 13
    Connection mode: Infra
    Security: Yes
    Set by group policy: No
    Connect even if network is not broadcasting: No
    Connectable: No
     Reason: 0x00028002
   Profile: Enter, the struggler
    SSID: Enter, the struggler
    SSID length: 20
    Connection mode: Infra
    Security: Yes
    Set by group policy: No
    Connect even if network is not broadcasting: No
    Connectable: No
     Reason: 0x00028002
   Profile: DBS-Staff
    SSID: DBS-Staff
    SSID length: 9
    Connection mode: Infra
    Security: Yes
    Set by group policy: No
    Connect even if network is not broadcasting: No
    Connectable: No
     Reason: 0x00028002
   Profile: Unknown Pleasures
    SSID: Unknown Pleasures
    SSID length: 17
    Connection mode: Infra
    Security: Yes
    Set by group policy: No
    Connect even if network is not broadcasting: No
    Connectable: No
     Reason: 0x00028002
   Profile: DBS
    SSID: DBS
    SSID length: 3
    Connection mode: Infra
    Security: Yes
    Set by group policy: No
    Connect even if network is not broadcasting: No
    Connectable: No
     Reason: 0x00028002
   Profile: Hexagon
    SSID: Hexagon
    SSID length: 7
    Connection mode: Infra
    Security: Yes
    Set by group policy: No
    Connect even if network is not broadcasting: No
    Connectable: Yes

 Information for Connection ID 5
 Connection started at: 2013-09-15 21:14:00-291
  Auto Configuration ID: 4
  Profile: Hexagon
  SSID: Hexagon
  SSID length: 7
  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:  64-70-02-94-06-84
  Security and Authentication
   Configured security type: WPA2-PSK
   Configured encryption type: CCMP(AES)
   802.1X protocol: No
   Key exchange initiated: Yes
    Unicast key received: Yes
    Multicast key received: Yes
   Number of security packets received: 0
   Number of security packets sent: 0
   Security attempt status: Success
 Connectivity
   Packet statistics
    Ndis Rx: 0
    Ndis Tx: 0
    Unicast decrypt success: 84
    Multicast decrypt success: 0
    Unicast decrypt failure: 0
    Multicast decrypt failure: 0
    Rx success: 112
    Rx failure: 725605
    Tx success: 518
    Tx failure: 43
    Tx retry: 94
    Tx multiple retry: 38
    Tx max lifetime exceeded: 0
    Tx ACK failure: 289297
   Roaming history: 1 item(s)
     Times: 2013-09-15 22:22:58-839
    Roamed from BSSID:  00-00-00-00-00-00
     Reason: 0x00000007
 Disconnected from BSSID:  00-00-00-00-00-00   Reason: 0x00000205

 Information for Auto Configuration ID 3

  List of visible networks: 2 item(s) total, 2 item(s) displayed
  BSS Type PHY	Security	Signal(RSSI)	Compatible	SSID
  ------------------------------------------------------------------------------
  Infra	 <unknown>	Yes		44	Yes		Hexagon
  Infra	 <unknown>	Yes		100	Yes		EDIMAX

  List of preferred networks: 6 item(s)
   Profile: AndroidAP2503
    SSID: AndroidAP2503
    SSID length: 13
    Connection mode: Infra
    Security: Yes
    Set by group policy: No
    Connect even if network is not broadcasting: No
    Connectable: No
     Reason: 0x00028002
   Profile: Enter, the struggler
    SSID: Enter, the struggler
    SSID length: 20
    Connection mode: Infra
    Security: Yes
    Set by group policy: No
    Connect even if network is not broadcasting: No
    Connectable: No
     Reason: 0x00028002
   Profile: DBS-Staff
    SSID: DBS-Staff
    SSID length: 9
    Connection mode: Infra
    Security: Yes
    Set by group policy: No
    Connect even if network is not broadcasting: No
    Connectable: No
     Reason: 0x00028002
   Profile: Unknown Pleasures
    SSID: Unknown Pleasures
    SSID length: 17
    Connection mode: Infra
    Security: Yes
    Set by group policy: No
  
 
 
Diagnostics 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: 93e1bb4b-b49a-4ce6-a508-d89017ce5ce3
 Interface name: Atheros AR9002WB-1NG Wireless Network Adapter
 Interface type: Native WiFi

Result of diagnosis: There may be problem




 
 
Network Diagnostics Log 
File Name:  B8862C3D-1194-440A-9313-8BA8990F4CCD.Diagnose.0.etl 
 
Other Networking Configuration and Logs 
File Name:  NetworkConfiguration.cab 
 
Collection information 
Computer Name:  WIN7-PC 
Windows Version: 6.1 
Architecture: amd64 
Time: Sunday, September 15, 2013 10:22:33 PM 

Publisher details  

Windows Network Diagnostics 
Detects problems with network connectivity. 
Package Version: 1.0 
Publisher: Microsoft Windows
My System SpecsSystem Spec
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 Wifi disconnecting and cutting out




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