Question about Dell Latitude C640 Notebook
Is the battery charging when you plug the power supply? If not, while the battery and the power supply is plugged in go to BIOS, that will be F2 when your computer boots up, from there check on battery health or battery info you will also see the ac adapter if it's detected if it says unknown try to use another ac adapter if it is detected still try to use another adapter. If you still have the same problem after trying a new one. You'll need to replace the motherboard
Posted on Feb 12, 2010
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Posted on Jan 02, 2017
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