laptop not powering up,motherboard issue

[nbsomi]

My HP pavilion dv6 3123tx is not getting powering up.
I have checked all the components and found one of the component of motherboard is gone bad

You can see the attached picture for the bad component.i don't what the component is.

url to the picture

Want to know what the component is, what might be the reason for the failure and also can it be repaired

 

[nbsomi]

I found the component
It is 4.7uf 25 tantalum smb capacitor
Still don't know why it gone bad