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소개
If your 4520s can't read CD's or DVD's, you might have a faulty optical drive. Replacing the optical drive may solve the problem.
필요한 것
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Flip the 4520s upside-down with the front toward you.
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Push the two latches below the battery inwards at the same time.
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Use a Phillips #1 screwdriver to remove three 2mm screws where the battery was located.
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Use a Phillips #1 screwdriver to remove the two 7mm screws located on either side of the keyboard panel.
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The housing for the optical drive is on the right of the device.
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Remove the 5mm screw on the left side of the metal plate with a Phillips (PH1) head screwdriver.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.