HP G72-259WM Notebook PC HOW TO REPLACE cmos BATTRY

SOURCE: cmos password reset

You can get around this however it's not to easy. You would have to take the unit apart and locate the BIOS chip, this chip needs to pulled out, aswell as removing the CR2032 battery which stores time and date on the computer. Leave both of these removed for a few minutes and re-install. This should wipe the password out. Like I said though it's not something that's easily done. Good Luck Hope this helps. L8R

Brian Sullivan

• 27725 Answers
• Posted on Feb 26, 2013

SOURCE: how do i replace a cmos battery in my hp compaq nc2400

I was unable to locate your specific laptop this might ge you some in sight in what to look for and how to remove cmos battery remember some cmos batteries are soldered in
RTC battery replacement procedure on Compaq HP Mini 110 netbook & clear CMOS http://www.youtube.com/watch?v=P_cxAireIsw