Toshiba formatting after it has been formatted

[myrajoyce_medrano]

Hello,

I formatted my toshiba external hard drive but error message that I need to format my hard drive keeps on showing. What should I do? Help please

 

[fzabkar]

Try a comprehensive SMART diagnostic. Look for reallocated, pending, or uncorrectable sectors.

HD Sentinel (DOS / Windows / Linux):
http://www.hdsentinel.com/

HDDScan for Windows:
http://hddscan.com/

See this article for SMART info:
http://en.wikipedia.org/wiki/S.M.A.R.T.