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Introduction |
| Follow this guide to replace the RTC CMOS battery in your Lenovo ThinkPad T16 Gen 3 laptop. | | ThisThe CMOS battery is responsible for remembering specific information(sometimes referred to as the RTC/"Real Time Clock" battery) helps maintain system settings such as the computer’s date, time, and BIOS settings when theyour laptop is turned off. It needs to be replaced when the computer stops remembering what time it isIf these settings aren't being maintained between power cycles, you may need to replace the CMOS battery. | | The Lenovo part number is 5B11M63536, which is a CR2016 lithium-ion battery. This replacement part includes new pre-applied adhesive, but if yours does notdoesn't, use [product|IF317-072-6|Tesa tapethin, double-sided adhesive|new_window=true] instead. |
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