How to Fix Battery draining fast
This mini-guide provides a structural approach to troubleshoot and fix the issue.
Prerequisites
- Confirm your hardware specifications (CPU, GPU, Motherboard).
- Ensure you have a bootable recovery USB and backup your EFI.
Fix Steps
- Check your ACPI patches (SSDTs) for battery and trackpad (e.g., VoodooI2C, SMCBatteryManager).
- Ensure you have applied the correct IRQ patches if audio or trackpad is missing.
- Perform an NVRAM reset after modifying SMC-related kexts.
Verification
- Reboot and verify if the functionality is restored and stable under typical usage.
Original Question:
I have been using mac os sonoma on my laptop for almost couple of months now, but from a few days my laptop battery is draining like very fast, previously my laptop give me 4-5 hours of battery Now it gives me only 1-1.5 hours of battery on a 100% charge…. I’m on macos sonoma 14.2.1
Could guys help me regarding this matter?
My specs: dell latitude 5490 8gb ram 256gb hard
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