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after months of trying finally i succeed to disable the nvidia card on my asus n551. i did it trashing all the acpi i was using and restarting from the scratch with a new clover extract, then applying all the Patches suggested on the first post of this thread (the acpi is very alike to the one...

silly question how i can know if the nvidia card is powered off? after some more debugging and fixing i got the _OFF method running with no errors but i still see the nvidia on system information. but, on linux i can simply turn off the card with bbswitch and still i see it with lspci, so where...

this is going to be a nightmare. this is my original SGOF method Method (SGOF, 0, Serialized) { If (LEqual (CCHK (Zero), Zero)) { Return (Zero) } Store (Zero, ONOF) // moved on EC0 _REG...

thanks for the hints, i'll continue tomorrow, i need to place many more debug on all the SGOF method to see if it really stop to that SPP0 or the problem is later.

modified the SPP0 like this Method (SPP0, 0, NotSerialized) { Store (Zero, INDX) While (One) { Store (DerefOf (Index (DAT0, INDX)), WLSB) Increment (INDX) Store (DerefOf (Index (DAT0, INDX))...

i tried acpi debug, simply placing some lines emitting debug in the syslog when the functions are called. all seem to run but the SGOF, this is the code Method (SGOF, 0, Serialized) { If (LEqual (CCHK (Zero), Zero)) { Return (Zero)...

ok thanks, i'll report back whenever i'll find a solution

here is patchmatic -extract output and the dsl files i'm working with. thanks for the interest

dmar removed,thanks. as far i can see on the SGOF method it access EC here Method (SGOF, 0, Serialized) { If (LEqual (CCHK (Zero), Zero)) { Return (Zero) } Store (Zero, ONOF) Store...

i tried already this guide when i was on yosemite and failed. now upgraded to el capitan i tried to give it another shot with same results. the nvidia won't disable. the acpi of my laptop is very similar to the one used in the example so i can't guess why i failed twice. there must be something...

you don't need a dsdt patch to have keyboard/touchpad working, you need a ps2 kext. there are some available, voodoops2 or elantouchpad (better with a n551) Google is your friend.

i was missing the patch USB _PRW(0x6D), applied and nothing changed. out of luck i tried a senseless thing, i have removed ANY reference to USB2 ports on the dsdt, removing the mux lines from xci ports 1-4 as well, as the acpi of the mac model i'm emulating has (macbookpro11,2) fixed errors...

i'm experiencing a issue i don't know how to cure, so i'm asking for help by the masters. after the reading of this thread i've patched my dsdt renaming the usb ports as EC01/EC02 as well XHC then i've built an injector and installed on S/L/E i'm running 10.11.1, after the patches i got my usb...

so, here is the solution. it may not work with any realtek alc668, we have just tested it successfully on some Asus N551, basically the problem is that the internal microphone works with already released patched applehda kext (mainly by Mirone) but it record the audio with a very bad quality and...

it was the internal mic, but thanks to the help of two friends it seem fixed now. could part of a kext (resources xml files) posted on this forum as attachment?

indeed i have changed it but the mic still don't work properly, why is yet to know.

if you have a dsdt patch using layout 3 the darkvoids files will not fit for you, because he use layout 1 anyway, don't waste your time trying, i did it already and the issue with microphone is still here. would be interesting to know if any of the guys using the Dell laptop with alc668 suffer...

nvidia optimus allow the nvidia card to write the rendered frames straight on the intel gfx framebuffer, so there isn't a direct connection of the nvidia to any of the video output components of the laptop. this allow a manufacturer to eliminate any hardware switching device (mux) saving...

sometimes it don't move after wake. need a reboot or a new sleep/wake to come back. i'm unsure i'm using the last version released. gestures works ok, zoom,two finger scrolling, scroll using the right side.these are the only i use, probably there are others

working battery status need a patched dsdt because of 16bit access to ec registers, while Apple require 8 bit access. there is a patch already developed and posted on this forum (for another asus model) which works for the N551 (and i guess for the G551 also) With cpu powermanagement and...