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Use this guide to replace a dead or malfunctioning battery in your Lenovo IdeaPad 3-15IIL05 laptop.
If you're unsure about the health of your battery, test it using Lenovo Diagnostics.
If your battery is swollen, take appropriate precautions.
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Unplug all cables and fully shut down your laptop.
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Use a Phillips screwdriver to remove the ten screws securing the back cover:
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Six 7.6 mm-long screws
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Four 4.7 mm-long screws
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Insert the flat side of an opening pick between the top left corner of the back cover and frame.
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Angle the pick down to about 45 degrees.
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Slide the pick to the bottom left corner of the laptop to release the left clips.
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Slide the opening pick to the bottom right corner to release the bottom clips.
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Slide the opening pick to the top right corner to release the right clips.
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Insert the flat end of an opening pick between the back cover and frame, to the left of the right hinge.
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Pry the back cover up with the pick to release the top right clips.
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Leave the pick inserted next to the right hinge.
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Angle the pick up to about 45 degrees.
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Slide the opening pick to the top left corner to release the remaining clips.
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Remove the back cover.
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Use the flat end of a spudger to gently push the battery connector out of its socket on the motherboard.
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Use a Phillips screwdriver to remove the three 5.7 mm-long screws securing the battery.
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Remove the battery.
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To reassemble your device, follow these instructions in reverse order.
For optimal performance, calibrate your newly installed battery after completing this guide.
Check your repair by running hardware tests with Lenovo Diagnostics.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.
To reassemble your device, follow these instructions in reverse order.
For optimal performance, calibrate your newly installed battery after completing this guide.
Check your repair by running hardware tests with Lenovo Diagnostics.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.
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