Wireless Suddenly Stops Working in Windows Vista: Fixes

Several users have reported an issue in which wireless connectivity (WiFi) suddenly stops working in Windows Vista. There are a variety of causes for this problem, but two primary fixes.

Fixes

Make sure wireless service is started First, make sure the wireless service is started.

  1. Click the Start button then type services.msc in the search box and press enter
  2. Right-click the WiFi icon and get the menu of settings
  3. Make sure the service is set to start automatically

If the service is started, and wireless still doesn’t work, move on to the second fix:

Modify regedit

  1. Click the Start button and type regedit in the search field then press enter
  2. Find HKEY_LOCAL_MACHINE]\System\CurrentControlSet\Services\ndisuio
  3. Change Start to “0×000000002 (2)”
  4. Restart

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