TestOut LabSim A+ Certification Practice Exam

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After testing a second CPU and removing it, the system fails to boot. What should you do to fix this?

Clear the CMOS settings
Replace the terminating resistor
Update the BIOS
Re-seat the primary CPU

The correct answer is: Replace the terminating resistor

The appropriate course of action in this scenario is to re-seat the primary CPU. After testing and removing a second CPU, it’s possible that the primary CPU has become loose or incorrectly seated in its socket. When a CPU is not properly seated, the system may fail to boot because it cannot establish a proper connection necessary for functioning. Re-seating involves carefully removing the primary CPU from its socket and reinstalling it, ensuring that it is securely and correctly placed. This can resolve any issues related to improper connections that could impede the system's ability to boot. Regarding the other options, clearing CMOS settings could reset system settings but may not address issues stemming from physical CPU connections. Replacing the terminating resistor is not relevant unless dealing with specific bus-related issues which do not apply here. Updating the BIOS is typically performed for compatibility or feature enhancements but would not solve immediate issues related to hardware installation errors.