No need to jump pins or remove the CMOS battery.
The software has not seen significant updates in years. pc cmos cleaner 2.0 usb boot
means you create a bootable USB (e.g., with FreeDOS, or using Rufus) containing that utility. Booting from it would automatically clear CMOS settings without needing to open the case or use the jumper. No need to jump pins or remove the CMOS battery
If software-based cleaning fails, you can reset the CMOS manually using these physical methods: CMOS Battery pc cmos cleaner 2.0 usb boot