In lower rh corner the internet connection icon has been replaced by small square with red 'x' in it and a plug that looks like the power icon, placing the arrow on it brings up a box saying 'not connected-connections are available'. Clicking on the icon brings up the connection screen that says...
access denied
avg antivirus
browser
chkdsk
connectivity
controller
delltools
diagnostics
documents
error messages
file permissions
internet connection
media player
network
red x icon
repair
software issues
troubleshooting
user permissions
windows 7