The local drives are in the "Other" section of "My Computer".
Files saved in the M: drive are kept through the semester. To upload to Blackboard, start Blackboard from My.Apps, then you are able to see the M: drive from My.Apps Blackboard.
Click on Computer, on the left side, then notice that your local computer drives are in the "Other (9)" section below -- this is where you can save your files.
Go to File then Save as. A window will pop up. Then choose Computer:
Choose your local disk (It will have your laptop's name) or your USB flash drive:
Go to users. Select the user that you are using in your laptop:
Select the location where you want to save the file: