Learn why checking all power and data connections is essential before booting into Windows after a desktop motherboard replacement. Ensure your hardware is properly connected to avoid startup issues and hardware failures, as recommended for the CompTIA A+ Core 1 220-1101 exam.
Table of Contents
Question
A technician replaces a desktop motherboard. What must be done before booting into Windows?
A. Reinstall all applications
B. Check that all power and data connections are secure
C. Change the administrator password
D. Format the hard drive
E. Uninstall the antivirus software
Answer
B. Check that all power and data connections are secure
Explanation
Ensuring all components are properly connected prevents potential hardware issues.
Before booting into Windows after replacing a desktop motherboard, it is crucial to verify that all power and data cables are properly and securely connected. This includes the 24-pin main power cable, CPU power cable(s), GPU power cables (if applicable), SATA or NVMe data cables for storage devices, and all necessary fan and peripheral connections. Ensuring these connections are fully seated prevents issues such as failure to power on, missing drives, or hardware malfunctions.
Technicians should also check that modular power supply connectors and any cable extensions are firmly attached, as loose connections can cause intermittent problems or prevent the system from starting altogether. Only after confirming all connections are secure should the system be powered on and booted into Windows. This step is universally recommended in PC assembly and repair guides and is foundational to successful motherboard replacement.
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