battery installed but computer turns off when charger plug disconnecte
new battery not being recognized correctly. what to do??
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Download this gem of an app: CoconutBattery paste a screenshot of the main window here for us to see 在已经存在的问题里加入图片. You may want to review this Apple TN as well: Apple Portables: Troubleshooting MagSafe adapters to make sure the middle pin in the connector is working correctly.
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You can try to reset the PRAM by following instructions here https://support.apple.com/en-us/HT204063
If that doesn’t work, it’s probably something on the motherboard.
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