External hard drive not being recognized

I have a My Book Essential 1TB External. I'm on Windows 7 x64. After I updated I've been getting a lot of bugs and extreme lag. I would click on the drive in My Computer, enter my HD password and the drive would open up with all my folders, etc. But then when I wanted to drag folders from...

So every time I plug my external hard drive in it pops up with a message saying it is not recognized. This is followed by a message saying device driver not installed correctly. I have tried uninstalling it from the Device Manager section and then plugging it in (this worked shortly after the...

I have a toshiba external 200G hard drive. It was used on a Dell computer which ran Windows XP. I now have a new computer which runs windows 7. However when i connect the external hard drive to the new computer i start to experience problems with the files on there. So there are a number of...

As the title suggest my external Seagate hard drive is no longer being recognized by my system. The information on this is absolutely critical to me- I am a DJ and Producer and this particular drive contains all of my song stems, acapellas, instrumentals, sample kits, and also backups of every...

Yesterday, I backed up everything on my computer because I was going to restore it and format the drive. So I transfered everything over to my Seagate 500gb hard drive. Once I finished formatting and reinstalling windows, I installed all my neccessary chipset drivers, ect.. and connected my...