Ouch! Not sure if the patcher is the issue or you have a deeper hardware issue.
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Have you tried restarting the system and tried getting in to the onboard diags, or see if Internet recovery responds. If neither do then you have a deeper hardware level issue within the logic board. The patcher does alter the NVRAM you could try disconnecting the CMOS battery and then hold the power button for a good 15 secs to fully discharge the logic board to see if that clears things.
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Have you tried restarting the system and tried getting in to the onboard diags, or see if Internet recovery responds. If neither do then you have a deeper hardware level issue within the logic board. The patcher does alter the NVRAM you could try disconnecting the CMOS battery (with nothing connected) and then hold the power button for a good 15 secs to fully discharge the logic board to see if that clears things.
Ouch! Not sure if the patcher is the issue or you have a deeper hardware issue.
Have you tried restarting the system and tried getting in to the onboard diags, or see if Internet recovery responds. If neither do then you have a deeper hardware level issue within the logic board. The patcher does alter the NVRAM you could try disconnecting the CMOS battery and then hold the power button for a good 15 secs to fully discharge the logic board to see if that clears things.