After working inside your computer
About this task
After you complete any replacement procedure, ensure that you connect any external devices, cards, and cables before turning on your computer.
Steps
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Connect any telephone or network cables to your computer.
CAUTION: To connect a network cable, first plug the cable into the network device and then plug it into the computer.
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Connect your computer and all attached devices to their electrical outlets.
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Turn on your computer.
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If required, verify that the computer works correctly by running the diagnostic tool.