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2.Ensure that the computer and all attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your operating system, press and hold the power button for about 4 seconds to turn them off.
Inside View of Your Computer
Vostro™ 420
1 | power supply | 2 | |
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3 | media card reader (optional) | 4 | I/O panel |
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5 | 6 | chassis fan | |
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Vostro 220
1 | power supply | 2 | |
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3 | media card reader (optional) | 4 | I/O panel |
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5 | 6 | chassis fan | |
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Vostro 220s