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Recently, I was helping a client with Windows who was unable to connect to his home wireless network one day even though it had been working fine for a few months. When he went to Network and Sharing Center, he had the following listed:Instead of his normal network connection, it said Unidentified Network and No Internet Access and sure enough, he could not connect to the Internet! The same thing showed up in the taskbar icon for network connections:I’ve seen this problem on a couple of Windows machines and depending on your system, there are multiple possible solutions. Try each one listed below and check to see if it fixes your problem before moving on. Method 1 – Disable McAfee Network AgentOne common culprit has been the McAfee Network Agent service.

You can disable the service by going to Start, typing in MSCONFIG and then clicking on the Services tab. Find McAfee Network Agent and uncheck the box. It also might be a good idea to disable any third-party firewall like McAfee firewall or Norton firewall, etc. Method 2- Update Your Network Card DriverYou can update your driver in one of two ways: either via Windows or by downloading the driver yourself manually from the manufacture’s website.

I highly recommend downloading the latest driver yourself as Windows usually does not do a very good job, but here are the instructions in case you want to try it.Click on Start, type in devmgmt.msc, press Enter and then expand Network Controllers and right-click on the problem network card.Now click on the Driver tab and choose Update Driver.If that doesn’t work, you can also uninstall the network driver and then reinstall it after a restart. Sony vgp uvc100 driver for mac. This has also been known to fix the problem with some people.

Note that Windows will automatically reinstall the driver for you. In case it does not, you can always download the latest driver and then install it. Method 3 – Restart Your Router and ModemJust in case, make sure you restart your wireless router and your modem because you’ll waste a lot of time messing with your computer for no reason if it’s actually a problem with the router.Method 4 – Reset TCP/IP StackYou can try to reset your network settings and fix any problems with the TCP/IP stack by running the Microsoft FixIt solution here:Method 5 – Upgrade Router FirmwareIf nothing else has worked so far, try upgrading the firmware on your router. This is a slightly more technical process because you have to connect to your router via a web browser, but a little searching on Google will give you step by step directions. It’s a fairly easy process and might solve your problem, especially if you have an older router or have had one for a long time and have never updated the firmware.

Method 6 – Use One Connection or Bridge ConnectionsIf you have both an Ethernet connection enabled and a wireless connection on your laptop or desktop, that could be the cause of the problem. You can either try disconnecting one, restarting and then seeing if you can get Internet access for each individually or you can try to bridge the connections.You can do this by going to Network and Sharing Center, click on Change Adapter Settings, then select both the Local Area Connection and the Wireless Network Connection and right-click on either one. You will see the option to Bridge Connections.Doing this can fix the problem of both networks conflicting with each other.

Give it a shot if nothing else has worked until now. You can always unbridge the connections later on if you like. Method 7 – Check Adapter SettingsThis solution is a little tricky because it can be something random, but you need to go to Network and Sharing Center, click on Change Adapter Settings, then right-click on Local Area Connection or Wireless Network Connection and choose Properties.You’ll see a box that says This connection uses the following items, which contains a list of protocols used by the network card to communicate. It should look something like this:Now if you installed some network related software like VPN software or something like that, you might have some strange extra stuff listed in there.

You need to uninstall those items and basically have something that looks like the list above. Once those are removed, restart and see it that solves your problem.Also, click on Internet Protocol Version 4 (TCP/IPv4) and check to make sure that you are obtaining an IP address automatically from DHCP. If you are using static IP addresses, make sure it’s the correct IP address and subnet mask.Method 8 – Disable Virtual Ethernet AdaptersIf you have VMWare or any other virtual machine software installed, go to Device Manager and disable any virtual network adapters that may appear there under Network Controllers. You won’t be able to connect to the Internet from your virtual machine, but you can always re-enable them for that.

If the problem goes away though, it might be worth upgrading to the latest version of the virtual machine software to see if it’s more compatible with Windows. Method 9 – Enable/Disable Network ConnectionYou can go to Network and Sharing Center, click on Change Adapter Settings and then right-click on the network adapter and choose Disable. Wait a little while and then re-enable the network connection. Method 10 – Run a TroubleshooterWindows has a bunch of built-in troubleshooters that can try to fix the problem for you automatically.

Just click on Start and type in troubleshoot. Click on the first choice at the top. This should open the troubleshooting dialog.Click on the Internet Connections troubleshooter. That should check your network adapter and make sure it’s enabled, it’s working properly, it’s got the correct network info, etc.That’s all the solutions I could find for fixing this problem. If you still have unidentified network with no Internet access, then post your specs here and we’ll try to help!

Disable Remote AccessRouters offer a web interface, allowing you to configure them through a browser. The router runs a web server and makes this web page available when you’re on the router’s local network.However, most routers offer a “remote access” feature that allows you to access this web interface from anywhere in the world. Even if you set a username and password, if you have a D-Link router affected by this vulnerability, anyone would be able to log in without any credentials. If you have remote access disabled, you’d be safe from people remotely accessing your router and tampering with it.To do this, open your router’s web interface and look for the “Remote Access,” “Remote Administration,” or “Remote Management” feature. Ensure it’s disabled — it should be disabled by default on most routers, but it’s good to check.Update the FirmwareLike our operating systems, web browsers, and every other piece of software we use, router software isn’t perfect. The router’s firmware — essentially the software running on the router — may have security flaws. Router manufacturers may release firmware updates that fix such security holes, although they quickly discontinue support for most routers and move on to the next models.Unfortunately, most routers don’t have an auto-update feature like Windows and our web browsers do — you have to check your router manufacturer’s website for a firmware update and install it manually via the router’s web interface.

Check to be sure your router has the latest available firmware installed.Change Default Login CredentialsMany routers have default login credentials that are fairly obvious, such as the password “admin”. If someone gained access to your router’s web interface through some sort of vulnerability or just by logging onto your Wi-Fi network, it would be easy to log in and tamper with the router’s settings.To avoid this, change the router’s password to a non-default password that an attacker couldn’t easily guess. Some routers even allow you to change the username you use to log into your router.Lock Down Wi-Fi AccessRELATED:If someone gains access to your Wi-Fi network, they could attempt to tamper with your router — or just do other bad things like snoop on your local file shares or use your connection to downloaded copyrighted content and get you in trouble. Running an open Wi-Fi network can be dangerous.To prevent this, ensure your router’s Wi-Fi is secure. This is pretty simple: Set it to use WPA2 encryption and use a reasonably secure passphrase.

Don’t.Disable UPnPRELATED:A variety of UPnP flaws have been found in consumer routers. Tens of millions of consumer routers respond to UPnP requests from the Internet, allowing attackers on the Internet to remotely configure your router.

Flash applets in your browser could use UPnP to open ports, making your computer more vulnerable. For a variety of reasons.To avoid UPnP-based problems, disable UPnP on your router via its web interface. If you use software that needs ports forwarded — such as a BitTorrent client, game server, or communications program — without relying on UPnP.Log Out of the Router’s Web Interface When You’re Done Configuring ItCross site scripting (XSS) flaws have been found in some routers.

A router with such an XSS flaw could be controlled by a malicious web page, allowing the web page to configure settings while you’re logged in. If your router is using its default username and password, it would be easy for the malicious web page to gain access.Even if you changed your router’s password, it would be theoretically possible for a website to use your logged-in session to access your router and modify its settings.To prevent this, just log out of your router when you’re done configuring it — if you can’t do that, you may want to clear your browser cookies. This isn’t something to be too paranoid about, but logging out of your router when you’re done using it is a quick and easy thing to do. Change the Router’s Local IP AddressIf you’re really paranoid, you may be able to change your router’s local IP address. For example, if its default address is 192.168.0.1, you could change it to 192.168.0.150.

If the router itself were vulnerable and some sort of malicious script in your web browser attempted to exploit a cross site scripting vulnerability, accessing known-vulnerable routers at their local IP address and tampering with them, the attack would fail.This step isn’t completely necessary, especially since it wouldn’t protect against local attackers — if someone were on your network or software was running on your PC, they’d be able to determine your router’s IP address and connect to it.Install Third-Party FirmwaresIf you’re really worried about security, you could also such as. You won’t find obscure back doors added by the router’s manufacturer in these alternative firmwares.Consumer routers are shaping up to be a perfect storm of security problems — they’re not automatically updated with new security patches, they’re connected directly to the Internet, manufacturers quickly stop supporting them, and many consumer routers seem to be full of bad code that leads to UPnP exploits and easy-to-exploit backdoors. It’s smart to take some basic precautions.Image Credit.

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