I have wd5000aakx why not seen in my machine

[ali baharia]

www.westerndigital.com

 

[satyamdubey]

if it is the only drive that you have, make sure all your power connectors are properly plugged in and then plug your drive into SATA port 0.
if it still does not show up in you BIOS, then either it is failing or there may be a problem with your psu's power chord.

please share as much info as you can about your system components and the problem you are facing.

good luck
-satyam