Stay calm when you encounter an error “The parameter is incorrect” due to an external drive with bad sectors, a corrupt file system, or a virus infection. Because this write-up contains 7 solutions on how to fix the parameter is incorrect external hard drive. Simply apply the fixes stated here to get rid of it and access the data saved in the drive. However, after fixing this error, if you find that all your essential external drive data gets deleted, use the Hard Drive Recovery Tool.