|I asked you to provide the make and model because bios versions are overall versions - software frameworks that are modified to suit a specific combination of chips on the mboard. D686 sounds like an overall bios version - the software framework. - knowing that doesn't tell us whether you have a desktop computer, or a laptop or netbook computer or how old your mboard is - an overall bios versions is often used for several years or longer. |
Hard drives don't have batteries.
The case most of your desktop computer components are in is s NOT hard drive, and is NOT a CPU.
Apparently you have a desktop computer.
In most cases you can remove a password set in the bios setup on a desktop computer by either removing the battery on the mboard, waiting a bit, installing it again, or by moving a jumper to clear the CMOS , waiting a bit, and moving it back again, or some mboards have a separate jumper you can move, move back, to clear just the passwords. .
The CMOS is the part of the bios chip where user set settings are stored. A battery must be connected to the cmos part of the bios chip in order to retain those settings, which include the current time and date.
If you had a laptop, passwords set in the bios on modern laptops are NOT stored in the CMOS - they're stored on a separate chip on the mboard that cannot have user set settings removed from it by removing the power to that chip. .