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HP Pavilion - 15t-cs000 CTO

Hello - I tried replacing a battery for my HP Pavilion 15, and it worked for about 6 hours, then the computer shut off.  Now when I try to turn it on, the light will flick on and I can hear the computer trying to start up, but it automatically shuts down.  This happens regardless of if the old battery is put back in, the new battery is in, or if the laptop is plugged in to charge with or without either of the batteries.  

I have tried taking out the battery and power cord and holding the power button, holding down the power button for 30 seconds without any power cord or battery, and also tried the windows key + B method, but none has worked.


Any help is greatly appreciated.  Thank you!

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