4) Setup Dial-up Networking

Open up your Windows Start menu, mouse over the Connect To option and then click Show All Connections. Then click Bluetooth DUN Connections and choose Properties. In that window, click the Networking tab, highlight Internet Protocol (TCP/IP) and again choose Properties. A new window will appear, in which you should click Advanced. In that new window, hit General and make sure the Use IP Compression Box is blank. Then hit OK and all windows will close.

Again, launch your Windows Start menu, highlight the Connect To option and then click Show All Connections. In the Network Tasks box in the right-hand margin, click Create a New Connection to launch the New Connection Wizard . Then click Next , choose the Connect to the Internet option and hit Next again. Pick Setup My Connection Manually and hit Next again. Select Connect Using a Dialup Modem , and hit Next . Select only the Standard Modem over Bluetooth Link option and on the Select a Device screen, check the box next to Modem -- Standard Modem and hit Next again. Leave the ISP Name box blank and once again click Next. In the Phone Number field type one of the following options, depending on which wireless technology your phone employs:

• If your device operates on GSM/GPRS/EDGE networks, type *99# and choose Next
  
• If your device operates on GSM/UMTS/HSDPA, type *98# and choose Next .
  
• If your device operates on CDMA/1XEVDO, type #777 and choose Next .

You'll then be prompted for the User Name and Password provided by your wireless carrier upon signing up for the tethered modem service. (If you don't know your User Name or Password , contact your service provider. Performing a Google search might help, as well. Some default User Names and Passwords can also be found online. And some carriers do not require this information.) After you've filled in the appropriate data, click Finish to close the window.

5) Connect to the Web, Start Surfing

From your Network Connections screen, click the Name of Your New Connection , type in your User Name and Password , if required, and click Dial . You'll be up and running in no time. (If you experience problems connecting for the first time, make sure the BlackBerry is linked to the PC via Bluetooth--see step two--close out any applications that may be running on the device and deactivate any Ethernet connections to your PC.

For more on this process, visit RIM's Technical Solutions Center.