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i removed my WiFi chip because it was interfering with my stronger external USB WiFi chip i removed it and wanted to take the laptop to my room as soon as i removed the power cord it shutdown and wouldn’t boot and when i plugged it back in it did and ubuntu my os was saying full charge please help

Try reseating the battery connector. Follow up to step 3 on this guide on how to do so: MacBook Air 11" Mid 2011 Battery Replacement