Having problems with your HP Compaq 6720s Notebook ?
Remove cmos battery but the power on password
\015 Removed cmos battery but the power on password would not deactivate\015
If waiting 10-15 min doesnt do it then leave it out for a couple of hours because some compasitors take time to discharge.iv seen some of them take 24 hours before.
Remove cmos battery and wait about 10-15 min. That should help. Remove also power cord and battery
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