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Microsoft Azure Fundamentals CompTIA Network+ CompTIA CySA+ CompTIA Linux+ CompTIA PenTest+ CompTIA Cloud+ CompTIA ITF+ AWS Cloud Practitioner Microsoft Azure FundamentalsWhat should be done first to ensure safety before starting any repair work on a computer's internal hardware?
Wear an antistatic wrist strap
Open the computer's casing to access internal components
Disconnect the power cord from the computer
Remove all external devices connected to the computer