Y yougogirl Distinguished Mar 9, 2010 1 0 18,510 Mar 10, 2010 #1 What do I need to do before I replace my old battery to a new battery? I have a Compaq R4000 laptop.
G Guest Guest Mar 10, 2010 #2 Just turn off the computer, disconnect the mains power adapter and put in the new battery. Upvote 0 Downvote