Portable hard drive problems

[Guest]

Hello,
When I plug my portable hard drive in it doesnt recognise the drive and just shows the following:
J:\is not accessible
The parameter is incorrect.

Can anybody advise?
Mike

 

[marbski]

it's your portable hard drive is new? or old?

 

[Ubrales]

Welcome to Tom's Hardware Forums!

Type in "cmd" in the Start Search box (without the quotes)
Right click on cmd.exe that shows up and choose Run as Administrator
Run chkdsk command on the faulting drive

chkdsk /F /R /X H:
Make sure you substitute H: with whatever letter your drive is using. That’s it. The scan will take several hours.

 

[travisgothic]

but its says that CHKDSK is not available for RAW drivers!!wat should i do?