MacBook Pro Big Sur OS laptop computer waking display problem

“MacBook Pro Big Sur OS laptop computer waking display problem: […]the hard drive wakes because the keyboard lights are on, but the display remains black.[…]”

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Mac Not Turning On After Lifting the Lid:

Update your Mac to Fix Bugs:

First off, I would recommend updating to the latest-compatible macOS, for compatibility issues, being certain to create a Time Machine Backup, so that all is kept up to date.

View

the Battery Percentage after Login:

As for it not waking up, what Battery Percentage do you see remaining when you boot back up?

A Few Links to Refer to Power:

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

• If your Mac doesn't Turn On or Start Up - 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

“MacBook Pro Big Sur OS laptop computer waking display problem: […]The display problem only happens when I put the computer to sleep by closing the lid. Then, when I open the lid again to wake the computer, the display doesn't wake.[…]”

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Overview Sleep and Wake:

A. Reenable Sleep and Wake:

I would start by turning on off and then back on, Sleep and Wake.

B. Set Up Sleep and Wake:

Be certain you are setting up Sleep and Wake correctly: Set Sleep and Wake Settings for your Mac - Apple Support

C. Use Sleep and Wake:

Be certain you are using Sleep and Wake correctly: Put your Mac to Sleep or Wake it - Apple Support