crwdns2934241:0crwdne2934241:0 rj713

crwdns2934249:0crwdne2934249:0:

You don't give a model number so I can't be specific but here is a link for you to download the service manual for your compter.

http://support.dell.com/support/topics/global.aspx/support/my_systems_info/manuals?c=us&l=en&s=gen&~ck=anavml

crwdns2915684:0crwdne2915684:0:

open