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Packet Tracer 5.1 won’t load in Windows Vista Ultimate

5. September 2009

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If you have problem running Packet Tracer 5.1 on Windows Vista Ultimate Edition by which you see the following problem, Installation is successful When  you run the program, the application interface do not show up on the screen But when you check the processes on the Task Manager, you can see the process Packet Tracer I manage to resolve [...]

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WiMax vs WiFi

6. April 2009

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Recently I came across an interesting article about WiMax and Wi-Fi while searching for my MBA course work. The full article is copied from here. This article is written by Eric Meyer. You can visit his blog here. WiMax (802.16e) is a newer standard of wireless networking designed to provide the last mile of high speed internet [...]

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Validating Identity issue when connecting to D-Link DIR-655

24. March 2009

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Recently, I installed a new D-Link wireless router model DIR-655. After initial configuration, I got the following  message when connecting my notebook to the wireless router. The message says “Validating Identity” and after a while the connection drop. To fix the problem, follow the steps below. Right click on the Wireless Network Connection icon and select Properties Select Wireless [...]

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