Fix problems caused by power-saving mode in wireless NICs

This technology goes by several names, depending on the manufacturer. For instance Intel calls it PSP, short for Power Save Polling.

Unfortunately, many access points don't always deal correctly with wireless devices that implement power saving. This can manifest itself as a slew of symptoms: inexplicably dropped connections (despite a strong signal), v-e-r-y slow transfer speeds for data, and odd behaviors when browsing file shares such as opening a directory and finding nothing in it. I personally have had a file share direct

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ory open on a notebook computer and was attempting to copy files off the notebook via wireless, but each time I tried to do it, the copy operation would freeze up in mid-stream. In a situation like this, there are two solutions.

Many notebooks that have a built-in wireless device also have a hardware switch to enable or disable it. If you know you're not going to be using the wireless device for a period of time, this is often a more effective way to conserve power.

About the author: Serdar Yegulalp is editor of the Windows Power Users Newsletter, which is devoted to hints, tips, tricks, news and goodies for Windows NT, Windows 2000 and Windows XP users and administrators. He has more than 10 years of Windows experience under his belt, and contributes regularly to SearchWinComputing.com and SearchSQLServer.com.

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