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There are a few things that can cause you to lose wireless connection with your wireless router. 1. Weak signal strength, check the signal strength on your wireless card. If it is weak move the wireless router away from brick or concrete walls, mirrors, fish tanks and if possible locate the wireless router higher up. 2. Have you secured your wireless router from people near your from unauthorized access? i.e. change the default password, setup encryption use WPA2 or WPA, change the default SSID, and turn off SSID broadcast, and for added protection, enable MAC address filtering which allows only the MAC address/es of your wireless card/s to connect to your wireless router. 3. You could be getting interference from electrical sources such as air conditioners, arc welders, washing machines etc. If so, the power supply to the wireless routers and computers etc should be connected to a surge protection power board, better still connect your computer equipment to an UPS (Uninterrupted Power Supply). 4. Check the channels of the wireless routers and access points in your area and change the broadcast channel on your wireless router to an unused channel or one that is currently used but has the weakest signal strength. This will minimize interference with your wireless router from other wireless routers and access points in your area.
There are a few things thatcan cause you to lose wireless connection with your wireless router.1. Weak signal strength,check the signal strength on your wireless card. If it is weak move thewireless router away from brick or concrete walls and if possible locatethe wireless router higher up.2. Have you secured yourwireless router from people near your from unauthorized access? i.e. change thedefault password, setup encryption use WPA2 or WPA, change the default SSID,and turn off SSID broadcast, and for added protection, enable MAC addressfiltering which allows only the MAC address/es of your wireless card/s toconnect to your wireless router.3. You could be gettinginterference from electrical sources such as air conditioners, arc welders,washing machines etc. If so, the power supply to the wireless routers andcomputers etc should be connected to a surge protection power board, betterstill connect your computer equipment to an UPS (Uninterrupted PowerSupply). 4. Check the channels ofthe wireless routers and access points in your area and change the broadcastchannel on your wireless router to an unused channel or one that is currentlyused but has the weakest signal strength. This will minimize interferencewith your wireless router from other wireless routers and accesspoints in your area.
The possible cause is the router is not able to extend the signal to that range. Try using a range extender to boost your wireless signal. Signal strength depends on the router. So adding a range extender should solve this issue
Your sister was accessing the wireless access point at school which is connected to the Internet/WEB access via a router and the school's broadband service provider.
For you to access the Internet using your wireless adapter on your laptop, you need your own wireless access point and connect it to a broadband ADSL or cable modem and then connect it to an Internet Service Provider. Some Internet Service Providers (cable and ADSL) can supply a combined modem/router/wireless Access point.
If you already have a broadband modem all you need is a wireless access point/router. You only need to configure the wireless access point and your wireless adapter so they will communicate with each other. Folow the instructions in the manuals.
You have not mentioned having a wireless router or access point to serve as the hub on an infrastructure network. I you have a router please let me know -- the instructions for the solution changes.
The following is an article to create an ad hoc network between wireless cards without a wireless access point or a router. If you ignore the steps about connecting to the internet with a wired connection and the internet sharing instructions. This will allow your machines with wireless adapters to communicate with each other (assuming the operate on a common band). The article goes on to indicate one machine with a wired connection can act as the "router" for the other two when it is on to allow them share internet access with the wired machine (the wired machine also needs a wireless card for this to work).
Most wireless networks are setup as infrastructure networks, meaning all communication is to/from a wireless access point/router that serves the same function as a switch/hub in a wired network as a central point to transfer communications from machine to machine. One works over the air the other through a wire.
There is an alternate form of wireless networking refered to as ad hoc -- in this version of wireless networking every wireless adapter can "talk" to any other wireless adapter configured with the same SSID (name) and security encryption (none, WEP, WPA). This is how somewhat less impromptu wireless networks are created similar to impromptu infrared networks some of us have used. One limitation of the ad hoc networks I have seen configured to date is access to the internet. I have posted an article where a stationary PC (required to be running for any other wireless machine to access the internet) with a wireless card in ad hoc mode could act as the router for wireless network but it required a cabled connection the internet. I suppose it could be a second wireless connection on a separate channel with a second wireless adapter in an infrastructure network but why? These types of networks are only recommended in another article for a limited (small) number of machines.
Based on this are you asking to create an ad hoc network to connect 2 PC's wirelessly without a wireless router or access to the internet from the wireless network (without a dedicated machine)?
Here is an article that should help -- there may be a issue. based on this article the Vista Computer is connected to the internet or ISP's network with a wire.
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