Carefully pull the jumper off and move it to cover (Maintenance Position). 5. Perform the Reset Replace the cover temporarily. Plug the power cord back into the ThinkCentre M720q
By default, the jumper sits on (Normal operation mode). Step 4: Move the Jumper to Maintenance Mode lenovo thinkcentre m720q bios password reset
By default, the jumper rests on (Normal position). Step 3: Move the Jumper to the Maintenance Position Carefully pull the jumper off and move it
from its standard position (covering pins 1 and 2) to the maintenance position (covering pins 2 and 3). Plug the power cord back into the ThinkCentre
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.