No... Your harddrive hold your OS, drivers and registry values. No flashdrive is capable of holding all of this as well as being quick enough to load all of these things upon boot up. No to mention compatibility.
on my laptop with no hardrive? like since i have no harddrive is there a way i can use the flash drive like put a soft ware on it and so i can boot it up on my pc like im trying to say like can i like use my flash drive on my laptop for a hardrive until i get a real hard drive becasuse i have a laptop thats is a gateway2000 solo 2300 plses help me