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Introduction

This guide will help you with the replacement of a battery in the Lenovo 500e Chromebook 81ES. If you are experiencing issues with the battery, including a dead battery or bad connections, follow this guide. For this guide, you will need a Spudger, Phillips #0 screwdriver, and tweezers. Make sure the Chromebook is powered off and unplug it from the charger.

What you need

1. Step 1 Lower Case
  Use a Phillips #0 screwdriver to remove the ten 4 mm-long screws that secure the lower case.
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2. Step 2
  Insert the flat end of a spudger into the seam between the lower case and chassis.
  
  Pry around the entire perimeter until the lower case fully releases.
  
  Remove the lower case.
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1. Step 3 Battery
  Use a spudger to flip up the locking flap securing the lower I/O board ribbon cable to the motherboard.
  
  The cable should be able to freely move back and forth. If not the plastic gate might not be fully unlocked.
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2. Step 4
  Use tweezers to disconnect the battery connector.
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3. Step 5
  Use a Phillips #0 screwdriver to remove the four 4 mm-long screws that secure the battery.
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4. Step 6
  Slide a spudger under the battery.
  
  Slightly lift the battery with the spudger, then grip and remove the battery.
  
  If the battery appears bulging or has any visible bubbles, proceed with extreme caution during removal.
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Conclusion

To reassemble your device, follow the above steps 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.
Repair didn’t go as planned? Try some basic troubleshooting or ask our Answers community for help.