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Introduction
This guide shows how to remove the BIOS battery from a why! P775DM3 laptop after accessing it. Shut down and unplug the computer before disconnecting the battery.
What you need
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Press a paper clip in the three places marked in red
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Lift the keyboard and feel free to put some strength
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Pull the white drawer in the direction of the arrow to unlock the connector
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Disconnect the red circled connector
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Pull the black drawer in the direction of the arrow to unlock the connector
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Disconnect the red circled connector
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Lift the flap that holds the connector circled in red
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Disconnect the red circled connector
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Remove the keyboard
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Disconnect the connector circled in red.
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Remove the battery.
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Ask FixBot
To reassemble your device, follow the instructions in the reverse order.
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1 Guide Comment
When sourcing a replacement battery note which connector pin has the red wire. This is shown most clearly in the middle photo for step 12. Be careful, as similar batteries have the reverse polarity.
I bought a ten-pack of batteries for less than some suppliers were selling a single battery. EEMB CR2032-Molex51021-RP (CR2032-MX51021-RP). The connecting wires were longer than the original, but were easy to fit into the battery space.
Very many thanks for this great guide - it saved me a lot of unnecessary work.
