External Hdd Plugged Into Laptop And Connected To Xbox External Hardrive Trouble.?

External Hardrive Trouble.? - external hdd plugged into laptop and connected to xbox

I have a WD 500GB External Hardrive on it with all kinds of multimedia files, etc.. Now I'm doing on a Sony Vaio laptop, so with Windows Vista.

I leaned my Hardrive to a friend WHI wants to transfer some files on your Mac. is placed on the Hardrive and Machine "time" comes, you click on something he did not know what will be the consequences. all that was meant that the Mac has used my Hardrive as the source for the backup ... this is good ...

But to see whatever the reason they couldnt, what's on the disk, and his name from my passport, if Mac had engine changed ... or something to that effect. after talking with a few friends who think about it, because it is a Windows-based external Hardrive why nothing appeared in the Hardrive seen.

Then go home to see if the Hardrive always work.

I plugged the external Hardrive into the laptop, and not on the usual calculation, you can choose how to view my files. does not appear in "Computer ". However, she recognized the sound of something that was right with the USB. and shows the icon in the taskbar to show something is connected. However Indicates can not drive the target. eg F: \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ instead, he said

U.S. Storage Devices Port_ AT 0001.Hub_ # # 0007

Also note, I have Norton AntiVirus for the backup of all files Hardrive mu ... So, now for Windows and Mac have backups are there?

so that A) Can I use my Hardrive?
B) How can I see what inside and use it?
C) have the Time Machine erased my hard drive?

any help would be very grateful!

Please Readin, I know the pain!

Aaron