As Wi-Fi hotspots are mushrooming all over the world, they let people have the chance to get rid of those inflexible network cables and surf on the net wirelessly in the WLAN. However, a high-performance wireless Internet access is not an easy thing for some users, because when contacting with your wireless network, your wireless network adapter may probably meet a lot of strange failures, which may seriously affect your networking experience if you don’t fix them in time, and the blue screen is one that among those common failures.
If blue screen shows on your computer immediately after you installed a wireless network card, above all, you need to check whether the net card driver you installed is compatible with your operating system, for example, if your driver is only available in Windows 2000, but you have installed it in Windows XP, well then your computer would be more likely to have a blue screen. Therefore, make sure you have installed the correct network card driver.
If your driver is compatible with your system and has been installed properly, you need to go through the installation of this network adapter, and check whether it has inserted to the right slot or port properly, for if you pull out the card from its PCMCIA port on the motherboard or its USB port just a few seconds after plugging it, blue screen would lightly happen, because frequent pullout and plug may make network adapter’s corresponding port confused and fail to identify this adapter. Additionally, if you pull out your net card suddenly when its LINK light is blinking, that would also leads to blue screen, or even worse, your computer or your network card’s port would be damaged.
By: Molly Smith
Posts Tagged ‘Wi Fi’
Discovering Your Local Area Network
January 9th, 2010
In the late 1960’s as large college universities and several research labs gained an ever increasing amount of computers, the need for interconnections that worked at high-speed was great, and the pressure was on. It was not until the mid 1970’s that an answer to the demand was created, they called it LAN.
LAN stands for Local-Area Network, with the ability to cover small areas, such as a home or office or group of buildings (schools, warehouse, etc.), LANs have higher data-transfer rates, smaller range and do not require licensed telecommunication lines as opposed to WAN (Wide-Area Network). ARCNET and Token Ring were two LANs that were widely used in the past. Ethernet and Wi-Fi are two of today’s most common LANs.
A LAN is an important component to gamers. By setting up a LAN, gamers can link together their computers and play with or against their friends. Games, such as “Diablo II” and “S.O.C.O.M.”, allows gamers to cooperate together in a team while either on line or while their computers are connected by LAN.Games, such as “Unreal Tournament” and “Starcraft”, allow gamers connected by the internet or a LAN to work as a team or to compete against each other.computers are usually linked by what is known as a Cat-5 cable to a HUB; and the HUB acts like a mediator. The Cat-5 cable connects to the back of the computer through the Ethernet port on the Network card, network adapter, LAN adapter or NIC (Network Interface Card). A network card operates on both the physical layer and the data link layer; it allows a low-level addressing system, using Mac Addresses, also known as an IP address, and physical access to the networking medium (the HUB). Not all LANs are the same; some use cables while others are wireless.
While other network technology exists, since the mid 1990’s, the Ethernet network card has been leading the crowd, due to low cost and easy integration and use. A unique 48-bit serial number is on every Ethernet network card, stored in the ROM; the serial number is your computers Mac address. The Mac address for every computer must be unique; otherwise only one computer with a given Mac address could be on line and connected to the LAN at a time. The Institute of Electrical and Electronics Engineers is responsible for each unique Mac address getting assigned to vendors of interface controllers; this is so no two network cards share the same Mac address.
At one point network cards were expansion cards that had to be plugged into the motherboard. Most new computers have the network card built into the motherboard; some may even have two ports built in so the computer can be connected to multiple networks. Some companies have started using optical fiber instead of Cat-5 cables or USB cords, because optical fiber is immune to electromagnetic interference. Optical fibers are made of glass or plastic, instead of metal, and carry light along their full length. The electrical signals sent along the optical fiber degrade less during transfer than signals sent along metal wires (Cat-5 cables and USB cords).
By: Victor Epand
Wireless Network Installation and Configuration
October 19th, 2009
You might just be at that point, where the small, wired home network you created a few months ago just is not doing it for you anymore and you want to extend it with a wireless network. Of course, you might as well be at that point, where you want to build a completely new network. Whichever the reason may be, the problem is the same – you need to know exactly how to do a wireless network installation.
Most of the time, you will find it necessary to install a wireless router. Now, you will only need to install one of these if you either are building your first home network or simply want to keep the wireless network installation at the simplest level as possible. Remember to install the router in a somewhat central location in your home so this way all receivers will be almost in the same line of sight. You see, with wireless internet, the speed depends on the distance from the router to the receiver. All you have to do now is connect your router to a power source, and of course an Internet source. Nowadays many routers support broadband modems and even dial-up connections. Still, when you buy a router make sure that it has an RS-232 serial port if you need the dial-up connection, because otherwise you will find yourself having a useless router. Last, but not least, you can also connect a wired router (called a switch or a hub) because wireless routers generally do contain built-in access points.
Now choose the name of your network. Often with Wi-Fi the network names are generically called SSID. Of course, this SSID has to be identical with all computers that are sharing the same wireless router. For your own protection, it is recommended that no matter what name your router manufacturer set to change it to something else. In order to find a network name for your router all you have to do is consult the product documentation. Finally, read the documentation to find out how to handle WEP security and also how to turn on firewall features and how to set other options.
Wireless Access Points
One wireless type network connection is supported by only one access point. It is very important to remember this further on. It is recommended to use this type of access point only if you indeed need the features that only a wireless router can provide and also you want to have more than three or four computers around the house that will be connected to the internet. You can read more at http://www.howtosetupwirelessnetwork.com
The positioning rule is the same as with wireless routers – access points have to be placed in a central location so that all receivers will be in the same line of sight. Plug in the power cord and if necessary the dial-up internet connection as well. Now cable the access points to your hub or switch. In this case, you will not have to configure any firewalls at all, yet you will still have to set a network name and enable the WEP function.
Giving these two options of installing a wireless network in your house, from this point on, all you have to do is install them in your own operating system and you’re good to go.
By: Dean Forster
