if your formatted the drive then theres nothing on it. that why you get a disk read error. there's nothing to read.
1. is there important data on the hard drive.
no - go ahead and install windows
yes- do you have a back up of data?
no - we need to attempt to restore the data you erased
yes- you can restore the files using the backup
*****its very important if you need information on the drive do not do anything till you get directions on how to recovery formatted files