MacBook Pro (16-inch, 2019) 2.6 GHz 6-Core Intel Core i7 - Monterey 12.1 Fails to wake from sleep

cowasaki_darren Said:

"MacBook Pro (16-inch, 2019) 2.6 GHz 6-Core Intel Core i7 - Monterey 12.1 Fails to wake from sleep: I upgraded to 12.1 last week and since then if I leave it to go to sleep by closing it then pick it up more than a few hours later the battery is flat and it will not come out of sleep.[...]"

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Troubleshooting Mac Power:

A. Black Mac Screen:

Go Here: If your Mac doesn't Turn On or Start Up - Apple Support

Using External Devices: Try Resetting the SMC and NVRAM, but this time, using an external keyboard. Connect an external monitor and see if you get an output.

B. Mac Power Issues:

Try a New Charger:

If it is currently charging from a charger, then use a new charger:

• Power & Cables - Mac Accessories - Apple - Select "Mac Compatibility" on the left
• Find the right power adapter and cable for your Mac notebook - Apple Support

C. A Few Links to Refer to Power:

• If your Mac doesn't Turn On - Apple Support

• How to Turn your Mac On or Off - Apple Support

• About Mac Notebook Batteries - Apple Support

• Charge the MacBook Pro Battery - Apple Support

• If your Mac Battery won't Charge - Apple Support