Download Hiren's. Flash the USB. And the next time a BIOS password locks you out, you will be back up and running in 90 seconds.
PC CMOS Cleaner is not for everyone, but for specific user groups it can be an absolute lifesaver.
💡 On most modern computers , the BIOS password is no longer stored in the traditional battery‑backed CMOS (the real‑time clock chip). Instead, it is saved in an EEPROM (Electrically Erasable Programmable Read‑Only Memory) , a more secure storage method that this tool cannot directly access. Users with very new motherboards (post‑2018–2020, depending on the manufacturer) should be aware that PC CMOS Cleaner may only reset non‑password CMOS settings , not the actual BIOS password itself.
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, or F11/F8 for others) to select the USB drive as the primary boot device. If your system uses UEFI, you may need to disable Secure Boot in the BIOS first to allow the USB to boot. Run the Cleaner:
Even with a verified tool, you may encounter issues. Here’s a quick guide:
Since modern computers lack optical drives, creating a bootable USB is the verified, recommended method. A USB flash drive (2GB or larger recommended). The PC CMOS Cleaner 2.0 ISO file. Bootable USB creation software (e.g., Rufus). Steps to Create the USB: Download Hiren's
To help me tailor any further technical steps for your system, tell me:
Organizations that still maintain older hardware — industrial control systems, legacy workstations, or retired servers that need to be redeployed — often encounter BIOS passwords set by former employees. PC CMOS Cleaner provides a standardised, repeatable method to reset these machines to a clean state without needing to track down long‑lost credentials.
After the tool confirms the removal, restart the computer and remove the USB drive. Troubleshooting and Verification PC CMOS Cleaner is not for everyone, but
is a free, Linux-based utility designed to recover, delete, or decode BIOS passwords and reset CMOS settings to factory defaults. It bypasses the operating system entirely by interacting directly with the motherboard's hardware. Key Features:
For your workshop wall:
are crucial for three reasons:
Ensure Secure Boot is disabled in the BIOS/UEFI settings, as the tool is designed for Legacy/BIOS mode.
To increase your chances of success and avoid problems, follow these best practices: