Welcome to Dell tech support.
In this video, we'll go over the steps for performing a part replacement on your Dell PC. First unscrew, then remove bottom cover. Then disconnect battery cable.
Then unscrew and disconnect hard drive. Then unscrew and remove bracket. Then disconnect and remove wireless card. Now unscrew and remove input output cover.
Then unscrew and disconnect bottom base. Now unscrew and remove battery. Once replaced, your PC should be ready to be used again.
Thanks for watching.