compaq presario cq57-339wm notebook pc downloaded specification manual from hp .....said bluetooth capabile cant seem to locate ....add adevice says iit cant locate any device even if multiple are plugged in...preloaded blutooth soft ware ......asked a knowledgeable friend(i think)he said they put software in incase you happen to aquire hardware ....many ????s no one in personal circle claims to know when asked??????
More aboutdoes laptop bluetooth
It appears that BT is an option for your system. That means it may not be physically installed. Look in your BIOS to see if there is an option to enable/disable BT.