Stuck on Garmin logo

I have a garmin fenix 3 that is stuck on the garmin logo screen after attempting to charge after about 3 months of being dead. I can turn it off holding holding the light button and it always returns to this screen. I have tried holding down the lap button upon restart for hard reset and always just boots to the same garmin logo screen. I have tried pairing to garmin express and garmin web updater but the device can not be found on either.

Any advice is greatly appreciated.