While troubleshooting a hardware problem on a laptop with a removable battery, you determine that an internal component needs to be inspected or replaced. The laptop is already unplugged from its AC adapter. What should you do NEXT before opening the laptop case?
All power sources must be disconnected before accessing internal laptop components. Once the AC adapter is removed, the next step is to remove the main battery. This prevents accidental short circuits or damage to the system board while you work. Other steps such as removing the keyboard or display should only be performed after all power is removed.
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What other precautions should I take when opening a laptop?
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