Question : Problem: Portable hard drive stop responding

I have a portable hard drive that stopped responding the computer can see it (shows has drive F in the list) but I cannot access it, any idea how I can get it to work again.

Answer : Problem: Portable hard drive stop responding

It sounds that your portable hard drive is faulty, since you tried torimar methods and mine, what I would do is use easeus software to recover your data, there's a demo version of it. Here's the link: http://www.easeus.com/datarecoverywizardpro/