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If your device isn’t charging or loses charge quickly, it may be time to replace the battery. Follow the instructions below to replace the battery in the Lenovo Yoga C940-IIL laptop.
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Flip over the laptop so that the underside is facing you.
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Using a plastic opening tool, remove the rubber foot.
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Using the Phillips #0 screwdriver, remove the three screws underneath the rubber foot.
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Using the T5 Torx screwdriver, remove the four remaining screws on the outside of the frame.
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Starting at the top and working around, carefully pry open the bottom cover.
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Remove the back cover from the device.
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The battery is held in place by four screws, one of which is hidden.
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Remove this small piece of rubber is covering one of the screws with your fingers.
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Use the Phillips #0 screwdriver to remove the four screws securing the battery to the device.
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To complete the removal of the battery, disconnect the ribbon cable connecting the battery to the computer.
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To reassemble your device, follow these instructions in reverse order.
For optimal performance, after completing this guide, calibrate your newly installed battery.
Take your e-waste to an R2 or e-Stewards certified recycler.
To reassemble your device, follow these instructions in reverse order.
For optimal performance, after completing this guide, calibrate your newly installed battery.
Take your e-waste to an R2 or e-Stewards certified recycler.
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Thanks a lot for the clear and thorough guidelines, worked like a charm and saved my 2-year old C940 after its original battery has bloated on its own!
Purhcased a replacement laptop battery from CanadaLaptopBattery, they shopped it from overseas (AlosteCell). Followed this guide to replace the battery. Replacing that little rubber piece was probably the biggest pain in the butt (the wire for the right speaker wraps around the rubber at the bottom as you squeeze it in). Thanks to the guide, this was one of the rare times I grabbed the right Torx bit first-try! Just a note; My laptop took several minutes after putting the new battery in (as well as being plugged in) to turn on. The laptop was on as indicated by the powerlight on the side, and the laptop was charging (orange light on the other side), but probably took 2-3 minutes to POST (Lenovo logo on screen). Just thought I'd mention that in case anyone freaks out.
Thanks for the helpful instructions! I have a question though: do you think it’s a bigger problem that I didn’t get the little screw underneath the small rubber thing back in? Because the new battery was built in a way that it wouldn’t fit.
This does not show the inside of a Yoga C-940. The battery has 5 screws.
