text: how to get my compaq presario 725us to work? how to get my compaq presario 725us to work your going to have to post more info in your question. just add more details like: *what is the computer doing, or not doing?  *what was the last thing that you did on the computer?  *was there a power outage or thunder storm before the problem started if you just got the computer and are still under warranty, you are entitled to free tech support from compaq/hp. you can also look up possible solutions here:  http://h10025.www1.hp.com/ewfrf/wc/product?dlc=en&lc=en&cc=us&dest_page=product&product=95607