Overview
The purpose of this guide is to provide a step-by-step guide to installing Mojave, High Sierra, Sierra, or El Capitan on Lenovo Z50-70/Z40-70 or G50-70/G40-70 laptops.
My machine is a Z50-70 with Broadcom BCM94352Z and SSD.
As you might already know, Lenovo BIOS is known to implement...
Overview
The purpose of this guide is to provide a step-by-step guide to installing Mojave, High Sierra, or Sierra (10.12.6) on the Lenovo Legion Y520/Y720 laptop series.
Note: This series of laptops doesn't appear to have a WiFi whitelist, so you don't need any BIOS modifications.
What you...
Because I and most users with ALC audio codecs are suffering from the audio jack detection issue (Mic/LineIn switching), and because the original ALCPlugFix is not being maintained or updated and doesn't provide proper support for different codecs, and because no one was interested in creating a...
Hello guys,
I'm currently having an issue where my Line In is not being detected after I plug in my earphones. The internal mic doesn't switch to Line In unless I use hda-verb to send the following command:
hda-verb 0x19 SET_PIN_WIDGET_CONTROL 0x25
My question is, can CodecCommander.kext send...
Hello all,
I've been trying to extract the DVMT-prealloc variable offset from my BIOS dump without success. After extracting the 'DXE Core' and opening the relevant file with Universal IFR Extractor, the program (Universal IFR Extractor) hangs up ends up creating an unending file.
My current...
Hey,
I finally got a new USB 3.1 Type-C drive to test my USB 3.0 Type-C port. But the weird thing is that it sometimes connects to HS04 port in IOReg and operates at 2.0 speed, and sometimes it connects to SS03 port and operates at 3.0 speed.
My laptop's port does not have Thunderbolt support...
Hey,
I recently got my new Lenovo Y520 laptop and I extracted my codec's AppleHDA files from AppleALC and created an injector kext, but the audio is still not working. I suspect it has something to do with my HDEF device not being supported. Although I have installed latest FakePCIID.kext &...
Hello guys,
I've been experiencing problems with my new 5GHz 802.11ac Wi-Fi router, only on macOS... it keeps disconnecting. The speed is also not so well. I tested on Windows, it seems to work well.
Attaching my problem reporting files...
Hello,
I have been having problems with my battery status since I updated to Sierra, the menubar icon *sometimes* shows charging when the cable is actually unplugged, and *sometimes* SysPrefs>Energy Saver becomes buggy and sets the "Turn off display after:" to max with I plug/unplug the cable...
Hello @RehabMan, I wish you could guide me to disable the unused frame buffer ports on my Z50-70 since I'm having that annoying lag...
I use ig-platform-id=0x0a2e0008; and all your GitHub repos use 0x0a260006 so I don't know what I should really do.
I also use port 0105 for my HDMI audio port...
Hello RehabMan,
I've been trying to create an injector kext for my display, I used your u430 patch_backlight.sh script and created the injector kext and installed, I've also installed SSDT-PNLF, SSDT-Config and set it to 1 (Use AppleBacklight), SSDT-IGPU but I'm still not able to get my...
Hello all,
Anyone knows if it's reliable to use "plugin-type"=1 to enable power management via native CPU SSDTs on Haswell systems? Or it's better to stuck with SSDT.aml generated by ssdtPRGen.sh script?
Hello @RehabMan,
For a quite long time, my guide has been suffering from a problem that's causing my EC _Q11 & _Q12 not to work on cold boot, I can fix that only by booting into Windows, then restating to macOS, or simply by putting my machine to sleep then wake it up.
I found out that my...
Overview
The purpose of this guide is to provide a step-by-step guide to installing El Capitan on the Lenovo ThinkPad E550 (Haswell) and similar models as well.
Note: This guide is completely based on RehabMan's guides and scripts, I take no credits for this guide, I only modified his scripts...
Hello all,
Can anyone explain how to correctly set DVMT-prealloc, cursor, and ig-platform-id values?
My Z50-70's default DVMT-prealloc setting is set to 64MB and I've been using the 9MB cursor patch with the ig-patform-id=0x0a26006...
What would changing the DVMT-prealloc to higher value do...
Hello,
Can anyone tell me what KernelAndKextPatches/AppleRTC=true do? The Clover wiki isn't so clear about it... I want to know if it's actually necessary to use it or not? Especially when I already have 'FIX_RTC_20000' in use...
Thanks.
Hello all,
Today, I found out that I didn't need the GPRW USB patch, turns out that it's not needed when having correct USB configuration (when certain ports are disabled)... then I wondered if it's possible to fix the lid sleep instead of renaming _PRW to XPRW... Is it possible?
Thanks.
I actually wanted to try if I could inject PinConfigs directly from the ACPI (HDEF/_DSM), so I went on and deleted the PinConfigs Injector kext (AppleHDAHCD_CX20751.kext), rebooted and updated the kernel cache... But my audio actually still works... So I guess PinConfigs are not actually...
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