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Re: My lan lines work but there is no wi-fi signal...
I know it is a pain but to determine if the D-Link is faulty, try resetting the D-Link back to the default settings and configure it again - Press and hold the RESET button at the back of the router with the power ONuntil the LEDs flash at the time the release the RESET button. Connect a LAN cable from the D-Link to your laptop/computer's LAN port, openthe browser on your laptop/computer and enter the D-Link's configuration URL.. http://192.168.0.1 The default login = admin The default PW = blank (just press Enter)
You can now change the default password. You can now configure the wireless settings.
Now configure the wireless card in your computer/laptop withthe router's wireless settings.
To secure your wireless network from unauthorized access,please click on this link and follow my instructions :-
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The free Wi Fi router may have run out of IP leases on its DHCP server just when you were trying to connect the tablet. If the leases are as an example say one week long then if lots of people connect to the free wi fi they get a lease for one week. So if the device comes back within the week it already has an IP address assigned to it and works. If a new device comes along it has to ask the DHCP server via the WI FI to assign it an IP address. If all available IP addresses are leased from the WI FI router the device will not get assigned an ip address. Would suggest trying to connect the Tablet on another Wi FI system to test it works.
I had this happen on my mobile phone when I was in Surfers Paradise in a Coffee shop and suspected the lease time on the WI FI router was too long for the amount of short term customers using the coffee shop. (the staff had no idea on why the Wi FI was not working so it would have been pointless to try and explain this concept to them and how to change the lease time on the dhcp server) Also there is a limit to the simultaneous number of users on a Wi Fi frequency on one access point . Unless the WI FI uses multiple WI FI access points.
Your cellular carrier can provide you with a "signal booster" device that can repeat and boost a cellular signal you already get in your house. For example, if you consistently have one bar of coverage but no more at home, a booster can take that one bar and turn it into more bars. If you have one or two bars of coverage near a window but no coverage elsewhere in your home, a booster near that window can capture the signal and boost it, providing a strong signal throughout the rest of your home.
Some carriers offer such devices very inexpensively - $50 or maybe even free - especially if you're in an area where they know they know they have poor coverage. T-Mobile now offers such boosters for only a $25 deposit, which you can get back just by returning the booster to them.
Contact your carrier - or look at their website - to see just what they'll offer you and for how much.
Femtocells / Microcells
A femtocell - or "microcell" - is a small, low-power cellular base station that connects to the cellular network via your broadband Internet connection. Essentially, it's a small cellular signal tower that will provide a signal in and near your home, connecting to the larger mobile network over your Internet connection. This makes it ideal for situations where you don't even have a signal bar of coverage you can boost at home. The only "catch" is that your Internet connection must have a high enough download speed. Different carriers require different minimum speeds, but you should be fine as long as you have a solid broadband connection.
Ask your cellular carrier if they offer this sort of product and find out how much it will cost you. As with boosters and repeaters, a femtocell may be available at a steep discount from your carrier in areas they know they have poor cellular service.
You can also buy them easily on Amazon or almost any decent tech store - for instance the one pictured below works for AT&T and supports LTE (though it is a bit pricey), or you can get one that supports Verizon, T-Mobile, AT&T, Sprint, Cricket, and many others, but you won't get LTE support. Of course, since you likely have Wi-Fi in your house, LTE isn't really a big deal and the 3G will work just fine for calls and texts.
Editor's Note: For the official How-To Geek office we got a Samsung microcell device directly through Verizon, which wasn't cheap, and doesn't work all that well. And since it only works for Verizon, any of the people who come by who use other carriers have zero signal, which is really annoying. If we could do it over again, we'd have started with this zBoost microcell that supports virtually every cell provider and has many different models and options to choose from depending on the size of the house. They even have an optional antenna you can install on your roof to give cell coverage everywhere around your house. It's the best choice, and cheaper than most carriers will offer you.
Wi-Fi Calling and SMS
Wi-Fi calling is a feature you might remember from some years ago, but it's coming back with a vengeance. At the moment, in the US, only T-Mobile offers Wi-Fi calling for both Android phones and the iPhone. Sprint only offers Wi-Fi calling for select Android phones. AT&T and Verizon have announced plans to activate Wi-Fi calling in 2015.
Essentially, WI-Fi calling allows your smartphone to receive and place calls and communicate via text messages over a Wi-Fi network. Your home probably has Wi-Fi, so Wi-FI calling will let you use your existing wireless router instead of needing a new, specialized device. You can just improve your Wi-Fi signal strength, and all your devices will benefit!
Wi-Fi calling works transparently. When your phone is on Wi-Fi and has a poor cellular signal, it will connect to the Wi-Fi network and your phone calls and text will be sent and arrive over the Wi-Fi network. When you leave the Wi-Fi network, your phones and calls will be sent over the cellular network as usual. This is all designed to hand-off automatically, so you could start a phone call on your Wi-Fi network and your phone would automatically hand off to the cellular network as you walk out the door, with no interruptions.
WI-FI calling will also work on other WI-Fi networks, so it's helpful if you ever end up in another place where you have a poor cellular signal but have Wi-Fi. To use this, you'll need to ensure your phone has Wi-Fi calling support and that it's enabled. Android phones from T-Mobile and Sprint will often include this feature, so look up how to enable it on your specific model of Android phone.
The iPhone 6 has built-in Wi-Fi calling, although it currently only functions on T-Mobile. AT&T and Verizon plan to support it in 2015. To enable this feature on an iPhone, open the Settings screen, tap Phone, tap Wi-Fi Calling, and activate it.
WI-Fi calling seems to be the future goal the industry - T-Mobile, especially - is pushing towards. With Wi-Fi calling integrated into your phone, you don't need to buy a specialized device. Your home Wi-Fi router works. And, when you go somewhere else where you have a poor signal, all they need is a Wi-Fi network and you'll be able to get a phone calls and SMS messages through it.
Image Credit: Carl Lender on Flickr, Nan Palmero on Flickr, Wesley Fryer on Flickr
Hi, Most desktop computers do not have Wi-Fi capabilities. If you wish to connect it
to Wi-fi, you can use a USB Wi-fi LAN Card, which can be connected to
any USB port of the PC and can be used to recieve wi-fi signals/ data.
Note that PCI Wi-fi LAN Cards are also available, which are internal and
added to PCI Port of the PC.
Hope it helps! Good Luck! Thanks for using Fixya! CreativeTECH
Hi, Vaio PCV-RX221 does not have Wi-Fi capabilities. If you wish to connect it to Wi-fi, you can use a USB Wi-fi LAN Card, which can be connected to any USB port of the PC and can be used to recieve wi-fi signals/ data. Note that PCI Wi-fi LAN Cards are also available, which are internal and added to PCI Port of the PC.
Hope it helps! Good Luck! Thanks for using Fixya! CreativeTECH
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no you cannot replace the built-in wi-fi card...
if you try to change the drivers for atheros wi-fi to Broadcam driver, your wi-fi card will not function anymore.... but you can always install another WI-FI card in your laptop... you can buy a USB Adapter or a Cardbus(PCMCIA) adapter for this purpose...if you want your wi-fi signal strenth and range to be higher, you can opt to buy an adapter which comes under N standard....N standard wi-fi adapters are capable of connecting at a speed of more than 300mbps(practically) to any N standard device like router....
Youe broadband router is working ok with the broadband cable.So it is configured with the broadband cable.Now,to work with the wireless internet,you have to configured the wi-fi router to work internet.You can see the wi-fi connection but unless & untill you will configure wi-fi router it must not work or if before it was working with the wi-fi then you can check the wi-fi router setting because it might change by mistake.Surely it will work after configurating wi-fi router.
I think it is saying that the wifi "card" is set so that it is not being configured by windows.
Control panel > Network connections
Under LAN or High-speed internet you will see an icon labelled wireless network connection. Right click on this and then click properties. You will see three tabs at the top
General - Wireless Networks - Advanced
Click on wireless networks
There should be a tick-box saying Use windows to configure my wireless network settings. I expect that, in your case, the box is unticked which means that the software supplied by the vendor of the wifi card is configuring the settings. I find that it is usually more reliable to let windows do it.
So tick the box and click OK. You may then have to reboot.