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Mark MarshallAug 20, 2025
What to do if Dell NOT21814 Laptop battery is swollen?
- CCatherine BrooksAug 20, 2025
If the lithium-ion battery in your Dell laptop is swollen, immediately stop using the laptop. Disconnect the AC adapter and allow the battery to fully discharge. It is recommended to replace the swollen battery and dispose of it properly. You may also contact Dell product support to explore options for replacing the battery under your warranty or service contract.