Easiest way is to just connect to the machine via the run command. Just type the name of the machine into run and hit enter. It would look something like this >>
One machine is called "lap1" and the other machine is called "thisone"
Go to run and type "\\lap1" hit enter. Once you have connected (you will have to type the access password and user name) just include c$...so it would look like this \\lap1\c$
The above assumes you share the C drive and it has a name of c$