Lenovo ThinkPad T16 Gen 3 CMOS Battery Replacement

ID: 174394

Description: Follow this guide to replace the CMOS battery...

Steps:

  1. For your safety, discharge your battery below 25% before disassembling your laptop. A charged battery may catch fire if damaged. If your battery is swollen, take appropriate precautions.
  2. Completely shut down your laptop (don't just put it in sleep mode) and disconnect all cables.
  3. Flip the laptop upside-down, and rotate it so the screen hinge faces towards you.
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  4. Use a Phillips screwdriver to fully loosen the seven captive screws securing the base cover.
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  5. Insert your fingernail or an opening pick into the gap between the base cover and keyboard deck, next to one of the screen hinges.
  6. Pry up the base cover until the clips unfasten.
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  7. Grasp the base cover along the screen hinge edge and lift slowly to unfasten the remaining clips.
  8. Lift and remove the base cover.
  9. During reassembly, lay the base cover into the frame, inserting it into the tabs along the battery edge. Press down firmly around the perimeter to reengage all the clips.
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  10. Because of the battery connector's design, the only way to disconnect the battery is by physically removing it.
  11. Use a Phillips screwdriver to fully loosen the two captive screws securing the battery connector.
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  12. Lift the edge of the battery with the connector to disconnect it.
  13. You may feel a little resistance from the battery connector as it disconnects—that's normal.
  14. Remove the battery
  15. During reassembly:
  16. Slide the plastic tabs on the long edge of the battery into their recesses in the frame.
  17. Lower the battery into place so the connector goes over its socket.
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  18. Use your fingernails to grab on the lip located at the back of the CMOS battery connector, labeled "JRTC1."
  19. You can also use the tip of a spudger to push the connector out from the front.
  20. Unplug the connector from the motherboard.
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  21. Insert the flat end of a spudger underneath the CMOS battery and pry it up to separate the adhesive securing it to the frame.
  22. Remove the CMOS battery.
  23. If your replacement battery doesn't include new adhesive, use thin, double-sided tape to secure it to the chassis.
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