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Erasing flash nRF51822 causes chip to power off

After getting the "Keil- Error: Flash Download failed - "Cortex-M0" I followed a thread which said to use nRFgo Studio to erase and recover the target board. Unfortunately, the board stopped being able to power up from the one main power button after I recovered it. Is there a reset pin on the nRF51822 that I could toggle to try and bring it back to life? *edit: I discharged all of the capacitors on the board, some were holding nearly 200 mV!

nRFgo hangs in my Windows 8 and says "not responding". But it did something to my chips.

I am reading that they may be in deep sleep. how to bring them back??

Any insights would be appreciated.

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