Thinkpad 755c Help replace the bios battery

[BillyBoyHarris@aol.com]

Hi          
      I am pretty handy when it comes to fixing PC type products, But I recently purchased a bios battery for my thinkpad 755c and I need some help to replace it.
Are you the right person? Or Can you point me in the right direction.

Thanks In Advance
billyboyharris@aol.com