While working as an IT Support Technician your employer has purchased 200 used desktop computers from a bulk reseller. You have been asked to reset the bios settings, identify and diagnose POST issues and install Windows 10 professional. Which option will reset the BIOS to it's factory default settings?
Answer Description
Resetting the CMOS battery will clear any saved BIOS configurations and the computer will instead use the factory default. BIOS settings are not managed in Windows and re-seating the HDD jumper will not affect the BIOS config.
Wikipedia
Nonvolatile BIOS memory refers to a small memory on PC motherboards that is used to store BIOS settings. It is traditionally called CMOS RAM because it uses a volatile, low-power complementary metal-oxide-semiconductor (CMOS) SRAM (such as the Motorola MC146818 or similar) powered by a small "CMOS" battery when system and standby power is off. The typical NVRAM capacity is 256 bytes.
The CMOS RAM and the real-time clock have been integrated as a part of the …
Nonvolatile BIOS memory - Wikipedia, the free encyclopedia