How do you get local area connection icon back on system tray?
Go to Start -> control panel -> Network connection
Right click on active local area connection.
in General tab.
mark the check the box labeled
"show icon in notification area when connected."
Any connection which permits non potable water to enter a water distribution system. This is why irrigation systems have backflow preventers, in case the water system pressure is reduced by any malfunction, the possibly contaminated water standing on top of a sprinkler will not be drawn back into the drinking water system.
You might consider taking it in to your local Radioshack or Best Buy. If they can't do anything for you, there may be a local electronics repair store in the area who can. Look for one in your local yellow pages. Finally, check if the product is under warranty, as you may be able to send it back the manufacturer for repairs.
The earliest telephones had a direct wire connection to a local central switchboard. By turning the crank attached to the phone (no push buttons or dials back then) you notified the operator of the switchboard that you wanted to make a call. You then told her which person and number you wanted to reach and she then made the connection.