My external hard drive auto power off

[MiaoWu]

My Lion always try to disconnect my external hard drive when I was watching movie from my external hard drive or copying large files to it.

It's about 20 minutes after I connected it to my macbook pro and I will got an alert every one or several minutes after the first alert.

It says "WD My Passport 0740 Media is in use and cannot be powered off."

I have closed the auto-sleeping after a long idle time using the WD SmartWare.

Could someone tell my what's the problem?
I am really confused by it.

And the same problem happened when i was using a usb hub.
My macbook pro disconnected the usb hub every several minutes and then auto reconnect it.
All my usb disks or flash card were removed and then auto mounted.

 

[-Jester-]

My external hard drive auto power off

Hi,


Did you ever find out how to solve this?

I have the same problem with my MAC now. I just can't seem to be able to keep it connected. Which is so annoying. I have been searching the internet for days to find an answer to this problem and i came across your post. I even had to sign up just to ask you......


Please let me know if you found anything....

jack.sweeney@hotmail.co.uk

 

[Badrottie]

Ditch your WD external HDD and get Seagate GoFlex then you will be happy.