I can't see my Iomega Ext hard drive.

[darlinsteve]

I can't see my Iomega Ext hard drive.It worked 2 days ago.I have all my data on this and it will be a big blow if i shoud loose my data.
I want to recover the drive first then i can think about ways of getting the data.Plesae help.
Thanks

 

[FreeDataRecovery]

Is it getting power?
Have you tried it on another computer?
Does it show up in disk management?
What is the model number?