How To Fix WiFi Problems in Windows ?
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You may also have a look at our earlier post on ways to make your home broadband work faster at this link as it may also help you to resolve this problem.
Here are few Wi-Fi connectivity tips that will help you to resolve connectivity issues especially in Windows operating system.
Reset TCP/IP Stack and Autotuning.Most of the times misconfigured TCP/IP might be the cause of the problem that usually appears regarding irresponsible Wi-Fi connection. However, it can be resolved by resetting or performing auto tuning windows Net Shell utility (netsh.exe).
You can use this utility as follows
Step-1 Type command prompt in start menu screen
Step-2 Click on Command Prompt, Run as administrator
Step-3 Type NETSH INT IP RESET C:RESTLOG.TXT
Step-4 Press Enter to execute Windows has the ability to auto-tune itself by changing the TCP auto tuning level on its own.
In order to stop Windows from doing it, you will have to perform the steps here. NETSH INT TCP SET HEURISTICS DISABLED NETSH INT TCP SET GLOBAL AUTOTUNINGLEVEL=DISABLED Above two commands will perform the required task.
Try Wi-Fi Power OptionSometimes your Wi-Fi may face connectivity issues due to Wi-Fi adaptor turning Power off while in idle mode as a result you may face connection problems. You can troubleshoot this issue by deactivating this features and see if your problem is resolved.
Step-1 Open Network and Sharing Center
Step-2 Click on your Wi-Fi Network Name to view the Wi-Fi status screen
Step-3 Open the Properties near lower left corner, click on configure option
Step-4 in Power Management option, uncheck the computer turn off this device to save power.
Limited or No Internet Access Problem.This problem is mostly faced by the laptop users, because as they try to manage energy consumption with restrictive power options, especially when your laptops operating on battery results in limited or no internet access. While Wireless connectivity components do not connect with certain time, windows turn it off automatically. You can also troubleshoot it by taking following measures.
Reinstall the AdapterSometimes you may have to remove and reinstall the Adaptor, for example, you have network card adapter driver provided by the manufacturer then rather than of Microsoft then it might work by letting you get connected through the network. In order to perform this task you will need to take following steps.
Step-1 from startup menu goes to Device Manager
Step-2 from Device Manager gets into Network adapter category.
Step-3 from Wireless Connection or Wireless Network Adaptor chooses to uninstall Device.
Step-4 Restart your Computer/ Laptop After reset, the computer should automatically show install the driver. However, in case, it does not happen you should again open Device Manager.
Step-5 you must Right Click on your computer name and then Scan for hardware changes
Step-6 in most cases system will detect the device that needs a driver.
Step-7. Follow the onscreen instructions and continue with Driver Software Installation Wizard to reinstall the driver
Try Revert Network Adapter DriversIn some cases, if your perform windows update, install the service pack, or even if you don’t do it rather then, it is performed by Windows automatically may result in turning your network adaptor off.In such case, you will have to roll back your network adaptor drivers. You can perform rollback function by following step
Step-1 Open Device Manager
Step-2 Find the Wireless LAN Adaptor and right click and choose to Update Driver software.
Step-3 in the next screen, Choose the option Browser my computer for the driver.
Step-4 Select device driver screen, you may find more than one drivers listed for the same adaptor. Click on let me pick from the list of device driver on my computer.
Step-5 you should choose the one stating Microsoft name and then click next. Once the installation is complete, you must restart your computer to let your changes take effect.
Clear DNS CacheDNS (Domain Name Server) cache us the set of information that is kept by Windows operating, this information may consist of translation entries from domains to IP addresses, and however, you DNS catcher may become polluted with a number of invalid entries that may create a problem for usage of the network. You can clear your DNS Cache by following steps.
Step-1 Go to Command Prompt with administrative rights
Step-2Type command IPCONG/FLUSHDNS and Press Enter
Step-3 Type Exit in the command line and Press Enter It will clear DNS Cache.