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If the keys on your keyboard are unresponsive or damaged, remove the keyboard for cleaning or replacement.
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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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Remove the battery by holding the latches and sliding the battery away from you.
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Use a Phillips #1 screwdriver to remove three 2mm screws where the battery was located.
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Flip the 4520s over and rotate it so the back is facing you.
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Use a metal spudger to peel off two rubber caps located on either side of the battery port.
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Use a Phillips #1 screwdriver to remove the 3mm screws behind the caps.
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Rotate the 4520s and then open it with the screen facing you.
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The switch cover is located above the keyboard. Push the switch cover away from you until it comes loose from the 4520s.
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Lift the switch cover away from the 4520s and set it aside.
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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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Slide the keyboard panel away from you to free it from the 4520s.
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Gently raise up the keyboard and flip it over to reveal a ribbon cable.
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Release the ribbon cable by carefully lifting the black tab upwards, one side at a time.
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Remove the cable and lift the keyboard panel up. Set it aside.
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To reassemble your device, follow these steps in reverse order.
To reassemble your device, follow these steps in reverse order.
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UC Davis, Team 1-3, Oliver Fall 2016 crwdns2935289:0UC Davis, Team 1-3, Oliver Fall 2016crwdne2935289:0
UCD-OLIVER-F16S1G3
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hp probook 4520s disassembly
