Seagate (9Y7275557) 400 GB Hard Drive "cardinal" Questions

...if that's OK 4 - there could be a corruption in the HD that is preventing the PC from reading it cardinal rule for USB....not a very dependent device specialy if connecting thru USB data

hard drive not spinning up Hi i committed the cardinal sin of not powering down before i plugged in my 250 gig hard drive. saw a spark as i connected the power and have obviously cooked the circuit ...