If you've locked yourself out of your Compaq Presario by an unknown CMOS password, you can reset the password -- along with all other CMOS settings -- by removing the computer's backup battery for ...
There's a Clear CMOS jumper. It should have a shunt on it (the little plastic shorting-block) covering only one of the pins. Power off the system, and place the shunt across both pins for about 10 ...
If you are looking for ways to remove or reset your Acer laptop BIOS password, you can do it in the following ways. Remove the password using the BIOS Security features Reset BIOS password using Acer ...