i think i am going to try to replace the cmos battery. i checked and this pc uses the CR2032 3V coin cell battery. So i was wondering is that the same battery some of the calculators use? for example... would this one work? ... http://www.bestbuy.ca/catalog/proddetail.asp?logon=&langid=EN&sku_id=0926INGFS38771027&catid=21961