Sometimes a BIOS update changes low-level power management. Download the latest from Acer’s website for the AN515-43 and reinstall it.
Run msinfo32 again. The BIOS version should have changed. update bios acer nitro 5 an51543
Follow the on-screen prompts. Your laptop will automatically restart and may stay on a black screen or a progress bar for several minutes. Do not touch the power button until it returns to the Windows login screen. Acer Community Important Notes How to Update the BIOS on an Acer Nitro Sometimes a BIOS update changes low-level power management
: Remove external mice, printers, and USB drives to prevent interference. update bios acer nitro 5 an51543
The laptop was a black, humming brick.