Press the (e.g., F9, F12, or Esc) during startup and select the USB drive.
This resets the entire BIOS to default settings. 3. Confirm and Exit Confirm the action when prompted.
Can display, decrypt, or wipe supervisor/user passwords for many BIOS types.
It can completely clear the supervisor, user, or HDD passwords on major BIOS architectures. pc cmos cleaner 2.0 usb boot
For many older systems, the most straightforward approach is to use a dedicated ISO-to-USB tool to burn the PC CMOS Cleaner image onto a flash drive. is the recommended tool for this task due to its reliability and ease of use.
To use this tool, you must create a bootable USB drive. This process requires a working computer, a USB flash drive (2GB or larger), and a third-party tool to write the ISO image. Step 1: Download the Necessary Tools
Resetting your PC's CMOS is a fundamental troubleshooting step used to restore BIOS/UEFI settings to factory defaults. This process is essential when aggressive overclocks, hardware changes, or forgotten passwords prevent your system from booting or completing the Power-On Self-Test (POST) . Methods for Clearing CMOS Press the (e
The effectiveness of PC CMOS Cleaner depends entirely on where the BIOS manufacturer stores password data. store BIOS passwords in the CMOS memory chip, which is powered by the small coin-cell battery on the motherboard. PC CMOS Cleaner can successfully read, decode, or wipe passwords stored in this location.
: Use a utility like Rufus or Etcher to burn the ISO image onto a USB flash drive.
The PC CMOS Cleaner 2.0 USB boot methods described above offer one last software-based lifeline for older locked systems. By following the Rufus or Parted Magic procedures, you can create a bootable recovery drive that may just save you from a tedious hardware teardown. And if the tool fails? You'll at least know that it's time to reach for a screwdriver and that CMOS battery. Confirm and Exit Confirm the action when prompted
You'll have the option to:
: Clears CMOS data to fix hardware compatibility issues or corrupted settings. Bootable Environment
Booting from USB is generally faster than from a disc.
Traditionally, PC CMOS Cleaner was used via a CD/DVD. However, with many modern computers lacking optical drives, creating a version of PC CMOS Cleaner 2.0 is essential.
Power on the system. Because the CMOS registers were intentionally corrupted and cleared, the motherboard will likely pause during POST (Power-On Self-Test) and flash a warning message on the screen, such as: “CMOS Checksum Error - Defaults Loaded” “Press F1 to Run Setup, Press F2 to Continue”