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zachs78 / MacOS-XPS-9500-OpenCore

OpenCore EFI that allows you to install and boot macOS X Catalina on your Dell XPS 15 9500 (2020)
MIT License
98 stars 11 forks source link

Battery Drain issue #5

Closed rkzed94 closed 3 years ago

rkzed94 commented 3 years ago

i tried using your EFI for XPS 15 9500 FHD version, everything working as expected with only one main issue, battery drain. it consumed 1% battery per minute, already tried disabling some kexts like wifi, bluetooth, and audio but still cant find the culprit yet, any suggestion? thankyou!

zachs78 commented 3 years ago

It seems to be the same on my laptop. I have the charger plugged in all the time so it's not a big issue for me. Interested to see if you can find the fix!

I did set CPUFriend to max performance but according to Intel Power Gadget, the CPU isn't a big drain though.

rkzed94 commented 3 years ago

it seems the dgpu is not properly disabled. changing SSDT-dGPU-Off to SSDT-NoHybGfx did the trick and increase the battery life to only drain 1% per 2-3mins. still not great but better than before..

interestingly the fan still spinning even when the system is idle, wonder if the dgpu still not properly disabled or something else causing it to keep spinning...

zachs78 commented 3 years ago

I changed mine to SSDT-NoHybGfx along with less aggressive CPU scaling and the drain is much lower now. Fan Is no longer spinning when idling. I've pushed the latest changes to master.

kendreaditya commented 3 years ago

How did you change your CPU scaling? My fans spins on medium or high (only 3 values according to dell kext) at only 40C-50C. Is there a away to manually change a fan curve?

nikoelt commented 3 years ago

https://github.com/stevezhengshiqi/one-key-cpufriend

Launch Terminal Type: bash -c "$(curl -fsSL https://raw.githubusercontent.com/stevezhengshiqi/one-key-cpufriend/master/one-key-cpufriend.sh)"

Follow instructions