(Acer Clean Password Utility) is a legacy DOS-based utility specifically designed to reset or clear forgotten BIOS, supervisor, and hard drive passwords on older Acer laptops. Download and Usage Overview
To use it on a modern 64-bit machine, you must boot the computer from a bootable USB thumb drive containing a DOS environment, then execute the file from the DOS command prompt. 3. Usage and Safe Download clnpwd.exe 64 bit download