Ah, so THAT'S why your front panel ports wouldn't work! Hopefully, you only had to reconnect the USB connectors - they aren't too bad. The rest of the front panel connectors are Lilliputian!!
That is SO exciting, Sharon! Can't wait until you get it and get it all set up... You can still get Microsoft Security Essentials as an anti-virus for Windows 7 if you don't have another one you prefer such as Avast, Avira or AVG. If you have a paid subscription to anti-virus, you should be able to transfer it.
In my PC corner for the winter, gaming and knitting.