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Wifi routers use security keys just like cell phones use pairing codes to communicate with each other. So if the keys are identical connection is possible. However, there are different types of wifi security levels ( key types) and these can be very large and complex or may even be a simple password or passphrase. The level of security required will of course depend on circumstances. So where do you find the key and what kind of key is it? The easiest way to find the key would be to ask the person who set up the wifi access point or wifi router for the particulars of the key. The key may be a WEP or WPA or WPA2 type security key, on top of that it may be a password containing letters and numbers or a hexadecimal type string and it may rely on 64 bit or 128 bit or whatever else encryption and may be required to be of a particular length. Nowadays wifi equipment are properly secured using WPA2 security with either a passphrase or a 64 bit hexadecimal number. Older equipment may only be able to use WEP. You may be able to set up the security of your wifi equipment such as your access point yourself but I think you should find a suitably trained technician to perhaps check the security passphrase inside the management console of the wifi access point if not set it up in a way that your equipment will be able to link at the same security level. Basically then you need to find out whether your wifi point uses no security = is open, uses a shared key of type WEP, WPA or WPA2 and the password or phrase or number. You may even need to choose your own security. Lastly if you do have a pass phrase you may need to experiment on your machine with different settings. However don't waste too much time, go find somebody in your area to assist you.
