Your battery may be damaged or no longer holding a charge. You will need to replace the battery in either case. Link: [guide|39455]
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The motherboard may also be in need of replacing due to some damaged connections or other various reasons. Here is a link to replacing the motherboard
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The motherboard may also be in need of replacing due to some damaged connections or other various reasons. Here is a link to replacing the motherboard https://www.ifixit.com/Guide/FunTab+2+Motherboard+Replacement/39459
Your battery may be damaged or no longer holding a charge. You will need to replace the battery in either case. Link: [guide|39455]
The motherboard may also be in need of replacing due to some damaged connections or other various reasons. Here is a link to replacing the motherboard