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Introduction |
| This guide is meant to help you replace the battery in your Lenovo ThinkPad T14 Gen 3 21CF/21CG. This repair will also apply to the ThinkPad series models: | | | * T14 Gen 4: 21HD, 21HE, 21K3, 21K4 | | * P14 Gen 3: 21J5, 21J6 | | * P14 Gen 4: 21HF, 21HG, 21K5, 21K6 | | The battery is the power bank for your device, and allows it to be operational without a cord. Sometimes they can fail, get damaged, or become faulty. This could mean the battery needs to be replaced. If your battery is swelling, damaged, or maybe not working as effectively, then a replacement might be a good solution. For tips on dealing with a swollen battery, follow the guidelines [[What to do with a swollen battery|in this link|new_window=true]]. Also remember to dispose of any parts and waste properly, guidelines for which can be found through [link|https://www.epa.gov/recycle/electronics-donation-and-recycling|the EPA’s website|new_window=true]. | | Be sure to review the [[Lenovo Thinkpad T14 Gen 3 Battery Draining Fast|troubleshooting guide|new_window=true]] before replacing any parts, batteries could be affected by other issues that do not warrant a replacement.
To avoid any damage or injury, make sure theNever work on an electronic device you are working onthat is unplugged and drained ofplugged in to a power outlet.
Using ESD safe tools can protect your* The device from damageshould be physically unplugged, not just “switched off.” |
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