Einleitung
Remove the ThinkPad A30 BIOS battery.
The following steps will be shown:
- Battery removal
- BIOS battery removal
Werkzeuge
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            Slide the highlighted tab to the left. 
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            With your finger on the tab, remove the battery by lifting it upwards away from the laptop. 
 
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            Remove the two 5.3mm cover screws. 
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            Gently lift the cover. 
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            Take out the BIOS battery by unplugging it from the computer. 
 
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                            Abschluss
                          
                          To reassemble your device, follow these instructions in reverse order.