Try this:Right click on the Time Machine icon in your dock and choose Time Machine Preferences
It should show you what the time and date of your last backup was
To test Time Machine, keep the preference panel open and right click on the Time Machine icon in the dock again, this time choosing Back Up Now
You should see the progress bar appear on the Time Machine preference pane and you should be able to see it progress through the whole process
If you do not see the...