Switch Hard Drives?? please help
 

ok. im not good with computers at all. my uncle did something to my comp ( hes really smart) and now everything is saved to a hard drive with less than 5G of memory. i have another hard drive with a whole bunch of memory... i didnt notice anything until my comp informed me i was running low on disk space. how do i switch to the ( i think its the original) original hard drive?