Windows 7 saved a profile for your network with the wrong settings ???

Right Click on the Connection Icon - right of taskbar - to open available networks

                                                            

Open Network and Sharing Centre

Do not delete you're HOME connection !   [ Note 'Show desktop'  tab at extreme right ]Select 'Manage wireless networks' [ in the left hand panel ]
Select 'Outwood Memorial Hall' then 'Delete'
Connect again and type your new security key  [ from Mike, Tony, or Mel ]


Note that some versions of Windows may differ - Example 2 .....
Start -> Control Panel -> Network and Internet -> Network Sharing Centre
There click on Manage wireless networks
Select 'Outwood Memorial Hall' then 'Delete'
Connect again and type your new security key    [from  Mike, Tony, or Mel ]


Left Click on the Connection Icon - right of taskbar to open available networks

                                                            
 Select any 'Connected' networks and Disconnect.
Select 'Outwood Memorial Hall' SSID and then 'Connect'
Note 'Show desktop'  tab at extreme right

Other Operating System possibilities .....
'Start' -> 'Connections' or use 'Control Panel' -> Internet Connections ?
If this doesn't work, try ..

More information

WIFI Connection Problems Tutorial  [from Home Page]
[13 page tutorial ...... use an adjacent computer that IS connected OK]

More Tutorials   [from Home Page] - Windows & MAC Tutorials
[use an adjacent computer that IS connected OK] 
Mel Ashton September, 2011