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Did the guide from a to z and it now works including the sound. Thanks for this guide. Made it "easy" to follow. Dunno what went wrong first times.

Having huge problems with sound on 10.11.5. Everything seems fine except the sound. In systeminfo it says no sound installed. Any help is appreciated. Tried several times now following the guide and also patch the 10.11.4 sound fix for pro books. Edit: sound problems like in it works on 10.11.3...

Had no luck with readwriteeverything over past 1 week. No today I added a 22 ohm resistor to red wire and redid thermal pasting. Now its dead silent under heavy load around 60 degrees. So better temps at like insanely lower fan speed...so happy right now :-)

I was sure it worked before but tried several times on fresh installs and couldn't get it to work. May be some acpikoller kext permissions? In windows notebookfancontrol works 90% of the time ( fan spins up too much some times and haven't figured out why). Hpfancontrol is a nogo. Write 47...

Mine is often around 42-50 degrees and I think will add a 22 ohm 2w resistor in serial line of the red wire tomorrow to reduce fan speed.

Would your quiet fanmod work if I add it to dsdt and loads it in windows? Ok I you dont know... Will it lack kext for temp readings? asking cause it works for my probook 450 g1 in mavericks but cant get all those hpfancontrol or notebook fancontrol to work in windows when booting into that.

Rehabman do you have any links or guides about tweaking, finetuning, doing anything about smoothness to the Trackpad ? Asking cause with newest drivers for trackpad in Windows, its all good and precise. In Mavericks Trackpad works but its like not as precise. I can get it to run fast, slow, and...

Try to boot safe mode. Choose skip ati and nvidia graphics.

Smooth is a better word for it maybe :-)

Dunno why I was not able to do it last time. Now all works. Sleep and the fn Keys too. Seems the touchpad is abit more flaky or how to sat it? Maybe normal compared to windowd?

Did like you Said in other thread about brightness for hp450: For LCD brightness, apply DSDT patch "Brightness Fix (Haswell)" (this is new today, depends on GFX0->IGPU already done). You will also want to install ACPIBacklight.kext. See: https://github.com/RehabMan/OS-X-ACPI-Backlight.

Used sudo cat /sys/firmware/acpi/tables/dynamic/SSDT7 > SSDT-7.aml etc. To get all ssdt and it works. Got working atheros 9280 wifi, Sound, cpu stepping according to dcpimanager, graphics, battery. When I put to sleep with command its all good. If by closing laptop together then almost no...

Should taking the dsdt from Aida64 in Windows or booting without dropssdt and extracting dsdt with maciasl in osx give as good acpi tables and a dsdt able to compile as taking it from Ubuntu? Asking cause having problems copying the acpi tables in Ubuntu. Getting the "permission denied" all the...

Weired. Used the acpi dump in Ubuntu live usb for ssdt1 to ssdt1 etc. Need to try again. Thanks for the help Rehabman

Rehabman can maciasl run in safe mode? Asking cause of that could be my problem making my files to 1 .dsl file. Links for my dsdt and ssdt's if you have time to look if I at least have the correct files. From the installation guide link to the newest iasl, I downloaded that zip and extracted...

I have the 8 ssdt and 1 dsdt and ran command to do so. Get error after it complets 2 ssdt's. Could you help making them to that 1 dsdt? And I see now I forgot - audio codec dump - PCI inventory via 'lspci -nn' do I need that? Sorry for being such a noob. Desperate to get it to work but lack...

How did you do this one from your guide? Apply this patch using the patch tool in MaciAsl into definitionblock code_regex External\s+\(_SB_\.ISCT\) remove_matched; i get 7 syntax errors all the time when trying to compile my dsdt.

Wescotte are you using the charmeleon kernel patcher? On 4 fresh installs I have gotten kernel panic after following the guide from post #1. Do I nedd pathced AppleIntelCPUPowerManagement? Think I tried wih and without. Did confirm md5 check on by rehabman method patched mach_kernel both with...

Hey wescotte could you you be so friendly to email pr upload your original and/or dsdt to me? having such a hard time with errors compiling my own and we have identical laptops. [email protected] kind regard brian Schjelde hope its its ok to ask for the above so I can use it...

Ok will try and deal some more with dsdt. Its a danish keyboard setup. Can I modify buttons myself?