My back-ups failed so I don't have true back-up files to use.
I do have a complete backup of my hard drive that works.
How can I use this backup to add the databases back to my SQL, when I go in and try to attach a database I see a few of my older DBs but I don't see any of my newer ones to add.
Is there one "master" file that would hold all my latest data?
If you have a full backup of your harddrive, you should be able to find mdf and ldf. If you can't find in the mdf and ldf it might be storing to other than default location which it happens to me.