1. when the computer merchant icon appears when the computer is turned on, press and hold the del key or F2 key to enter the BIOS interface. Most computers hold down the F2 key, and some computer brands press F1 or others. You can move up and down by using the move key on the keyboard.

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2. press the enter key on the keyboard, which is the enter key, to make a selection.

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3. Take the setting of VirusWarning virus alarm option as an example. After selecting, press Enter to confirm.

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4. use the moving key to select, the first item is on, and the second item is off.

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5. Select Open, and then press Enter on the keyboard to confirm, and the operation is completed.

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