Disclaimer
All the tips/hints/fixes/other information posted here are at your own risk. Some of the steps here could result in damage to your computer. For example, using a Windows registry editor like RegEdit could result in unintended serious changes that may be difficult or impossible to reverse. Backups are always encouraged.
If you're having problems with reconnecting to your wireless network after wake/resume from sleep/standby, or if you are getting errors upon connecting due to cancellation or timeout, or if you are having other problems with your wireless in Windows XP SP2 or Vista, try these solutions:
- Update wireless adapter drivers if necessary (Vista SP2 Beta might also fix)
- Disable unused network adapter(s) in Device Manager (except hidden devices)
- Disable power management of wireless adapter: mark Maximum Performance in adapter properties (if available in driver itself) and in advanced settings for power profiles in Windows [More on the latter in Vista]
- Also: in Properties for wireless adapter in Device Manager, on Power Management tab, uncheck 'Allow computer to turn off this device to save power'
- Set DhcpConnForceBroadcastFlag registry key to 0 [More]
- Reset networking with the following from the command line and reboot:
netsh int ip reset
netsh winsock reset
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