Forgot BIOS Password and BIOS clock that always Turned On

Problems forget the BIOS password is:

For computer security, the authors administered a password on the BIOS, but after some time using it, computer users will forget their password so that when you turn on the computer, you can not go into the operating system.
Troubleshooting the problem is:

The easiest way to overcome this is to unplug it CIMOS battery that is on the computer or doing a short circuit in the battery. But before unpacking cashing your PC, there is no harm if you try some alternative passwords such as those below. Password alternative is provided by the manufacturer of the BIOS as the default password. For the record, each version of BIOS has its own password, and the following will only say a few default passwords for the two manufacturers are AMI and AWARD BIOS.
Some default passwords for the AMI BIOS:

A.M.I                                     AMI                                       AMI_SW                              AMI?SW

BIOS                                      HEWITTRAND                    LKWPETER                           PASSWORD

While the following is the default password for the AWARD BIOS.

589589                                  ALLY                                  ALFAROME                    AWARD_SW

AWARD?SW                       AWKWARD                         BIOSTAR                        CONCAT

HLT                                      1256                                     1262                                 LKWPETER          

SER                                      SKY_FOX                           SYXZ

 Problems clock BIOS:

 clock listed on the Windows operating system is always changing after already matched according to actual hours.
The solution is:
The problems mentioned above clearly caused by the CMOS battery on motherbard is not working properly.
With no functioning batrai CMOS, it is not only the system clock to be always changing but also the day, date and BIOS settings always revert to the default. Unplug the CMOS battery on your computer and replace them with new ones.