Continuous wireless network adapter lose its network connection

It used to work very well in the beginning, but after a many windows updates, my laptop has started to lose the Wi - Fi connection every several minutes.

Windows troubleshooting utility usually fixes the problem of reset wireless network card. Sometimes, however, it does not set it up that I restart the PC.

The issue is not with a router because I have experience with different wifi too.

I have Toshiba Satellite laptop computer with Windows 7 and Realtek RTL8723AE wireless adapter.

Here is an example of this that convenience store says:

Helper class: Layer2 Security
Initialize status: success

Result of diagnosis: problem found

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

Detailed root cause:
Layer 2 security key exchange using the key provided by the user did not generate unicast keys before timeout

Repair option:
Check the key to network security for "mywifi".
View the security settings. You can then type the correct security key.

Information for a diagnosis of connection
Interface GUID: {b63a89ca-8412-49ed-9619-ab7f3dfa4504}
Interface name: Realtek RTL8723AE Wireless LAN 802.11n PCI-E NIC
Interface type: Native WiFi
Profile: lazarfox
SSID: mywifi
SSID length: 8
Connection mode: Infra
Security is enabled: Yes
Login ID: 7
Security settings provided by hardware manufacturer (IHV): No.
Profile matches network requirements: Yes
Status of Pre-association and association: success
Security and authentication:
Configured security type: robust network security (ARS / WPA2) for independent networks
Configured encryption type: CCMP (AES)
Security connect status: 0 x 00048005 failure
Number of security packets received: 0
Number of security packets sent: 0
802.1 x protocol: No.
Key exchange initiated: Yes
Unicast keys received: No.
Multicast keys received: No.

... I suggest you to update BIOS, chipset and wireless network drivers these links and check if it helps...

Hi, Yann,

I updated the driver, but it did not help. Update the chipset has probably not because I have AMD (the update says that I don't have the required devices). BIOS has been updated some time (I have the latest).

I also searched other topics and did the following:

Disabled IP assistance service;

Value another configurtion IP: manual and entered a fixed IP address and the default gateway.

Turned off the Windows Firewall for this network.

The problem seems went, at least for now, although I don't know what stage did.

Tags: Windows

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    Original title: IP address is missing
    These forums are wonderful. I tell myself that I've saved the cost of a new battery using the bios, I found on a forum!

    Hello

    DHCP - Dynamic Host Configuration Protocol is a protocol used by devices computer network (DHCP clients) that dynamically distributes the IP address of the destination host. Now the error indicates that your computer is not able to communicate with the server and assign the IP address.

    Method 1:

    Let us try to disable the firewall and check the issue.

    Note: Re-enable the firewall after checking the issue.

    Check whether the problem is resolved.

    Method 2:

    If the issue is not resolved, you can follow the steps from the link provided and check if that helps.

    How to reset the Protocol Internet (TCP/IP)

    http://support.Microsoft.com/kb/299357

    Hope this helps and let us know if you need more assistance.

  • My Windows XP home edition with service pack 3 now displays the status of my absorbing as "State of the network" wireless network connection but never connects to the network.

    My Windows XP home edition with service pack 3 now displays the status of my absorbing as "State of the network" wireless network connection but never connects to the network. This started after my last Microsoft update has been installed. .

    original title: status: network address acquisition
    Hi BKlap,
     
    Try these methods in the order.
     
    Method 1: Repair the network connection to solve the problem.
    For more information, see:
     
    Note: The information in the article applies to Windows XP Home Edition as well.
     
    Method 2: Follow the steps listed in this article to resolve the problem:
  • The 'Wireless Network Connection 3' network card is not properly configured to use the IP protocol

    I can't connect to any internet. I'm trying to connect to wireless hotspots, but it tells me that I am connected with limited access

    Hi idkmyname

     

    1. What is the exact error message displayed when you try to go online?
    2. do you have updated the network card drivers installed?
    3. What is the brand and model of the computer?

     

    Method 1:
    You can check the links below and check out them if the steps to help you resolve the issue-
    http://Windows.Microsoft.com/en-us/Windows-Vista/troubleshoot-Internet-connection-problems

    http://Windows.Microsoft.com/en-us/Windows-Vista/troubleshoot-network-connection-problems

    You can also check the help links below-
    http://Windows.Microsoft.com/en-us/Windows-Vista/troubleshoot-problems-finding-wireless-networks
    http://Windows.Microsoft.com/en-us/Windows/help/wireless-network-connection-problems-in-Windows

    Method 2:
    You can follow the steps below to check the NIC in Device Manager. I suggest you to uninstall and reinstall the NIC drivers and check:

    a. click Startand then click Control Panel.

    b. click system and Maintenance, click Systemand then click on Device Manager.
    Note If Control Panel is in Classic view, double-click System, and then click Device Manager.
    If you are prompted for an administrator password or a confirmation, type the password, or click allow.
    Check if you have any exclamation point beside the devices listed. If you have, then there is problem with the card is installed.

    c. in the NIC, expand adapter, right click on the devices listed and then click Uninstall.
    When you are prompted to confirm that you want to remove the device, click OK.

    d. restart the computer.

    After the computer restarts, the drivers will be installed automatically. Check after this procedure if you are able to get access to the network.

     

    If you get all the drivers related errors, you can check if you have the latest drivers updated, installed for the network card. See the help link - below
    http://Windows.Microsoft.com/en-us/Windows-Vista/update-a-driver-for-hardware-that-isn ' t-work correctly


    I hope this helps.

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