Wireless Products
Intel® PRO/Wireless 3945ABG Network Connection
Wireless disconnect followed by inability to detect any networks

Symptom
Laptop randomly loses its wireless network connection while the connection management utility reports no wireless networks found. This issue can also be seen in the Microsoft Windows* System Event log in the form of numerous 500x events with the wireless driver as the source.

This issue impacts Intel® PROSet/Wireless Software 13.0.x and 13.1.x releases specific to the Intel® PRO/Wireless 3945ABG Network Connection.

Solution
Beginning with Intel® PROSet/Wireless Software version 13.2.1.0, this issue is resolved. Upgrade your software to resolve this issue.

Cause
An adapter internal error related to power management has occurred. This problem only occurs when some level of adapter power savings mode is enabled.

Workaround
A workaround for the affected releases is to disable all adapter power savings modes. You can do this by  selecting the lowest power management setting, which enables the maximum wireless network performance.


Related topic
Resolving Wi-Fi network connection issues

Operating System:

Windows Vista *, Windows 7 *, Windows XP *

This applies to:

Intel® Centrino® Advanced-N 6205 For Desktop
Intel® Centrino® Advanced-N 6235
Intel® Centrino® Wireless-N 105
Intel® Centrino® Wireless-N 135
Intel® Centrino® Wireless-N 2200
Intel® Centrino® Wireless-N 2200 For Desktop
Intel® Centrino® Wireless-N 2230
Intel® PRO/Wireless 3945ABG Network Connection

Solution ID: CS-031631
Last Modified: 19-Nov-2013
Date Created: 01-Jun-2010
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