If your screen says "Enter Hard Disk Password," the encryption lock is inside the controller firmware of your specific M.2 NVMe or 2.5-inch SATA drive. Motherboard jumpers cannot wipe this data. You must either remember the password or replace the drive with a new SSD. Professional & Authorized Support
This is the first line of defense for many desktop computers. The CMOS (Complementary Metal-Oxide-Semiconductor) battery is a small, coin-sized cell that powers the memory chip storing BIOS settings, including passwords. Removing it drains this memory, effectively resetting everything to factory defaults. lenovo thinkcentre m720q bios password reset
models, this is near the top-left corner or close to the Wi-Fi antenna. If your screen says "Enter Hard Disk Password,"
If the machine is deployed in a public or corporate environment, set a new supervisor password immediately. Ensure you document it securely in a password manager. Professional & Authorized Support This is the first
Reassemble the cover and power on. Tap F1 or Fn+F1 during startup to enter the BIOS. The password prompt should no longer appear. Alternatives and Notes Set, change, and remove a password - Lenovo
Pulling the button cell battery off the motherboard for a few seconds will not clear the password on this model.
Move the jumper back to its original position (pins ). Reassemble the unit and reconnect power.