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Lenovo ThinkPad T420 with UEFI Only

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I was googling around and found https://github.com/Piker-Alpha/AppleIntelInfo

I loaded AppleIntelInfo.kext and then ran  sudo cat /tmp/AppleIntelInfo.dat command

 

The output only shows me P-States and no C-States. Is that ok?

 

CPU Ratio Info:

------------------------------------

CPU Low Frequency Mode.............: 800 MHz

CPU Maximum non-Turbo Frequency....: 2500 MHz

CPU Maximum Turbo Frequency........: 3200 MHz

 

IGPU Info:

------------------------------------

IGPU Current Frequency.............:  650 MHz

IGPU Minimum Frequency.............:  650 MHz

IGPU Maximum Non-Turbo Frequency...:  650 MHz

IGPU Maximum Turbo Frequency.......: 1300 MHz

IGPU Maximum limit.................: No Limit

 

CPU P-States [ (8) 21 30 ] iGPU P-States [ (13) ]

CPU P-States [ 8 19 21 (25) 30 ] iGPU P-States [ (13) ]

CPU P-States [ 8 (16) 19 20 21 25 30 ] iGPU P-States [ (13) ]

CPU P-States [ (8) 13 16 19 20 21 25 30 ] iGPU P-States [ (13) ]

CPU P-States [ (8) 13 14 16 19 20 21 25 30 ] iGPU P-States [ (13) ]

CPU P-States [ (8) 13 14 16 18 19 20 21 25 30 ] iGPU P-States [ (13) ]

CPU P-States [ (8) 12 13 14 16 18 19 20 21 25 30 ] iGPU P-States [ (13) ]

CPU P-States [ (8) 11 12 13 14 16 18 19 20 21 25 30 ] iGPU P-States [ (13) ]

 

 

when runnin the SSDt generation script in this guide I get the following output:

 

System information: Mac OS X 10.12.1 (16B2555)

Brandstring 'Intel® Core i5-2520M CPU @ 2.50GHz'

 

 

Warning: No ACPI Processor declarations found in the DSDT!

Using assumed Scope (\_SB) {}

 

Generating ssdt.dsl for a 'MacBookPro8,1' with board-id [Mac-94245B3640C91C81]

Sandy Bridge Core i5-2520M processor [0x206A7] setup [0x0603]

With a maximum TDP of 35 Watt, as specified by Intel

Number logical CPU's: 4 (Core Frequency: 2500 MHz)

Number of Turbo States: 7 (2600-3200 MHz)

Number of P-States: 25 (800-3200 MHz)

Adjusting C-States for detected (mobile) processor

Injected C-States for CPU0 (C1,C3,C6,C7)

 

Does the above warning mean any problem or it can be ignored?

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@OscarS - great story. glad everything is working out for you.

 

@Somez- do you have the modded bios where you can change the thermal settings? are they the same settings?

do have the same HD in each machine. a SDD runs a lot cooler. idle while writing this the CPU temps range from 41-44C (106-108F).  the FAN is running around to 1958rpm. 

my son has same computer but his runs a lot hotter for some reason.

attachicon.gifScreen Shot 2016-12-07 at 8.27.26 PM.png

 

@tluck my bios has that option (prolly because it was the latest bios found -date of upload-)

 

https://www.dropbox.com/s/2ianoibx5i7rn1d/Lenovo_ThinkPad_T420_83ET76WW-83uj28us_NWL_LEN21_ADV_RAM_Speedo_AES_vBios-2170.zip?dl=0

 

Public for everyone who needs it

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@tluck my bios has that option (prolly because it was the latest bios found -date of upload-)

 

https://www.dropbox.com/s/2ianoibx5i7rn1d/Lenovo_ThinkPad_T420_83ET76WW-83uj28us_NWL_LEN21_ADV_RAM_Speedo_AES_vBios-2170.zip?dl=0

 

Public for everyone who needs it

 

Looks to be version 1.46. I have that version with whitelist disabled, but without these advanced options. I guess I can't flash this one without Windows :)

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I was able to make an Ubuntu live USB and checked temperatures under Ubuntu. It was the same what I get in macOS so I'm starting to think the issue is with the hardware.

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I got my DW1510 wifi card, flashed the bios, got wifi under windows, but nothing under OS X (I am using el capitan).

Under System Preferences / network I don't have the wifi card listed (only ethernet, pci serial adapter and firewire).

Any suggestions/tips?

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Guys!

 

May I ask those who can reach cpu temperature around 41 C and fan speed around 2000 RPM to check what's the part number of their heatsink? It's located under the keyboard and starts as "FRU".

 

Thanks.

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Guys!

 

May I ask those who can reach cpu temperature around 41 C and fan speed around 2000 RPM to check what's the part number of their heatsink? It's located under the keyboard and starts as "FRU".

 

Thanks.

 

@Somez

In my experience it depends also on the specific heatsink/fan piece itself, not only if its single thick/double thin pipe heatsink, and different fan.

I had the 04W0627 which cooled very well the 2520m, but the 04W0407 worked better for me with the quad processor (idle now at 36 C/1962RPM, but its winter ;) ). Altough for some people it was the other way around, check out this thread if u understand german (https://thinkpad-forum.de/threads/170582-Erfahrungsberichte-Quadcore-im-T420-Mod-Bios-inside).

My gf's t420 has the 04W0627 with 2540m cpu, and its not cooling as well as the one i had (don't know if it just needs repasting, or else...), I can hear her fan spinning up a lot, just with browsing..

@davidian

 

- did you add the extra kexts for Broadcom support?

 

see this post http://www.insanelymac.com/forum/topic/285678-lenovo-thinkpad-t420-with-uefi-only/?view=findpost&p=2297730

@tluck

thanks for the link

I tried, but I must've missed sthing, or not did it properly, cause it still doesnt show up (do I also need to do some dsdt patching?)..

Should I install all the 4 kexts with kext wizard? I installed only the Brcmxxx.kext ones, the FakePCIxxx are in EFI/Clover/kexts/Other.. maybe this is wrong?

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@Somez

In my experience it depends also on the specific heatsink/fan piece itself, not only if its single thick/double thin pipe heatsink, and different fan.

I had the 04W0627 which cooled very well the 2520m, but the 04W0407 worked better for me with the quad processor (idle now at 36 C/1962RPM, but its winter ;) ). Altough for some people it was the other way around, check out this thread if u understand german (https://thinkpad-forum.de/threads/170582-Erfahrungsberichte-Quadcore-im-T420-Mod-Bios-inside).

My gf's t420 has the 04W0627 with 2540m cpu, and its not cooling as well as the one i had (don't know if it just needs repasting, or else...), I can hear her fan spinning up a lot, just with browsing..

@tluck

thanks for the link

I tried, but I must've missed sthing, or not did it properly, cause it still doesnt show up (do I also need to do some dsdt patching?)..

Should I install all the 4 kexts with kext wizard? I installed only the Brcmxxx.kext ones, the FakePCIxxx are in EFI/Clover/kexts/Other.. maybe this is wrong?

 

Thanks davidian! I don't speak German but Googl Translate helped me :)

I might order a 04W0627 and try out how that works.

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@somez - i will check my 2 T420 systems for the Fan FRU. if you install the modded bios with adv menu that provides more control of fan vs temperature.

 

@davidian - install all 4 kexts in /Library/Extensions - one way is to use the zip script from the Guide -  if you add these kext to the T420/EFI/CLOVER/kexts/Other folder then run the _kext-install.command scripts.

the EFI kext folder is skipped when there are kexts on the HD. The EFI kext folder is just for OS installer and Recovery HD.

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@somez - i will check my 2 T420 systems for the Fan FRU. if you install the modded bios with adv menu that provides more control of fan vs temperature.

 

@davidian - install all 4 kexts in /Library/Extensions - one way is to use the zip script from the Guide -  if you add these kext to the T420/EFI/CLOVER/kexts/Other folder then run the _kext-install.command scripts.

the EFI kext folder is skipped when there are kexts on the HD. The EFI kext folder is just for OS installer and Recovery HD.

 

Thanks tluck. Can you point me to a place where I can download that BIOS?

I guess I have no choice but update the BIOS under windows, right? Because then I have to install Windows on my optibay HDD and then swap it with my SSD which has macOS on it.

I don't want to risk messing up my macOS installation with bootloader changes or anything like that.

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@Somez - OscarS just posted a download of that BIOS - there are probably others if you search this thread.

 

Note: you can install and run Windows on the OptiBay without changing or swapping. i keep a windows partition on my optiBay disk (HD). To simplify windows installation, it may be best to pull your main drive though.

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@Somez - OscarS just posted a download of that BIOS - there are probably others if you search this thread.

 

Note: you can install and run Windows on the OptiBay without changing or swapping. i keep a windows partition on my optiBay disk (HD). To simplify windows installation, it may be best to pull your main drive though.

 

Argh, you're absolutely right, I've just downloaded his BIOS. Thanks for telling.

I'll pull my macOS drive just in case.

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Thanks davidian! I don't speak German but Googl Translate helped me :)

I might order a 04W0627 and try out how that works.

 

It took me a day and a half to translate the whole thread :)

If you need any more info on this, PM me (akár magyarul is).

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@somez - i will check my 2 T420 systems for the Fan FRU. if you install the modded bios with adv menu that provides more control of fan vs temperature.

 

@davidian - install all 4 kexts in /Library/Extensions - one way is to use the zip script from the Guide -  if you add these kext to the T420/EFI/CLOVER/kexts/Other folder then run the _kext-install.command scripts.

the EFI kext folder is skipped when there are kexts on the HD. The EFI kext folder is just for OS installer and Recovery HD.

 

I did that, and no change (previously I did it in S/L/E).

The kexts are now in /L/E. I tried to see what kexts are loaded from these 4, but only FakePCIID is.

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Argh, you're absolutely right, I've just downloaded his BIOS. Thanks for telling.

I'll pull my macOS drive just in case.

 

I tried to flash this modified BIOS using winflash but it told me I have the same or older version of BIOS which is correct. Is there a way to force it?

Thanks.

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@davidian - what about the broadcom kexts? the FakePCIID_Broadcom kext just injects properties - there is no binary. the broadcom kexts load the firmware onto the card.

 

@somez - i recall installing that same bios on my 1.46? yes there is a way to reinstall etc. pflash or winflash.exe /sa xxx.bin

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@davidian - what about the broadcom kexts? the FakePCIID_Broadcom kext just injects properties - there is no binary. the broadcom kexts load the firmware onto the card.

 

@somez - i recall installing that same bios on my 1.46? yes there is a way to reinstall etc. pflash or winflash.exe /sa xxx.bin

 

Thanks, I just did it with the following command: winflash.exe /sv /sd "83ET76WW\$01C8000.FL1"

With the new BIOS I get full resolution even at Clover menu during boot :)

Fan speed remains the same but I'll play with the advanced settings tomorrow. I don't have high expectations though.

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@davidian - what about the broadcom kexts? the FakePCIID_Broadcom kext just injects properties - there is no binary. the broadcom kexts load the firmware onto the card.

 

I found out that

Vendor : Device Id is 14e4 : 4353 (Is this a problem? It was advertised as DW1510, BCM94322HM8L, but according to wiki it's DW1520 BCM943224HMS)

 

Now that I know I have a different model than the one ordered, I did some google-ing, and found out that it's probably apple whitelisted.

Anyone knows how to proceed from here?

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@Somez: How did you fare so far with the extended settings?

Presuming you are using this 1.46 flavor there are lots of settings available.

$01C8000.FL1.zip

 

The RAM speed setting is the only obvious one to me, any thoughts what else might better a Hackintosh?

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@Somez: How did you fare so far with the extended settings?

Presuming you are using this 1.46 flavor there are lots of settings available.

attachicon.gif$01C8000.FL1.zip

 

The RAM speed setting is the only obvious one to me, any thoughts what else might better a Hackintosh?

 

Well, I haven't changed any advanced settings so far. I'll try to play with the values for the low fan speed, e.g. to trigger low fan speed on higher temp. This will not cool my CPU down though...

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I found out that

Vendor : Device Id is 14e4 : 4353 (Is this a problem? It was advertised as DW1510, BCM94322HM8L, but according to wiki it's DW1520 BCM943224HMS)

 

Now that I know I have a different model than the one ordered, I did some google-ing, and found out that it's probably apple whitelisted.

Anyone knows how to proceed from here?

 

After some googling and hex editing, I found a solution for my DW1520 (BCM943224HMS).

Add this to config.plist:

 

<dict>
<key>Comment</key>
<string>DW1520 Whitelist Patch (MBP8,1)</string>
<key>Disabled</key>
<false/>
<key>Find</key>
<data>
TWFjLTJFNkZBQjk2NTY2RkU1OEM=
</data>
<key>Name</key>
<string>AirPortBrcm4360</string>
<key>Replace</key>
<data>
TWFjLTk0MjQ1QjM2NDBDOTFDODE=
</data>
</dict>
 
It works without having installed the FakePCIID and Brcm kexts

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Hey guys. I am just wondering if anyone has made the update to 10.12.2 ? And if it breaks anything?

I don't have my back up drive going yet so I am holding off.

 

10.12.2 is a magic update! It removes the battery time remaining for new macbooks!  SMH.

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Dir not exists 2:624 0:000 CheckOEMPathExists tried EFI\CLOVER\OEM\Aspire V5-573G. Dir not exists 2:624 0:000 CheckOEMPathExists tried EFI\CLOVER\OEM\Aspire V5-573G-1700. Dir not exists 2:624 0:000 CheckOEMPathExists tried EFI\CLOVER\OEM\Dazzle_HW. Dir not exists 2:624 0:000 CheckOEMPathExists tried EFI\CLOVER\OEM\Dazzle_HW-1700. Dir not exists 2:624 0:000 set OEMPath by default: EFI\CLOVER 2:637 0:012 EFI\CLOVER\config.plist loaded: Success 2:637 0:000 === [ GetListOfThemes ] =================================== 2:637 0:000 === [ Found config plists ] =============================== 2:637 0:000 - config.plist 2:637 0:000 === [ GetEarlyUserSettings ] ============================== 2:637 0:000 timeout set to 0 2:637 0:000 Custom boot CUSTOM_BOOT_DISABLED (0x0) 2:637 0:000 Default theme: embedded 2:637 0:000 === [ LoadDrivers ] ======================================= 2:637 0:000 === [ InitScreen ] ======================================== 2:637 0:000 Console modes reported: 4, available modes: 2:637 0:000 - [01]: 80x25 2:637 0:000 - [02]: 80x50 2:637 0:000 - [03]: 100x31 2:637 0:000 - [04]: 240x56 (current mode) 2:637 0:000 SetScreenResolution: 1920x1080 - already set 2:637 0:000 SetScreenResolution: 1920x1080 - already set 2:637 0:000 reinit: self device path=PcieRoot(0x0)\Pci(0x1D,0x0)\USB(0x0,0x0)\USB(0x4,0x0)\HD(1,MBR,0x04944021,0x3F,0x3BC1042) 2:637 0:000 === [ GetMacAddress ] ===================================== 2:637 0:000 === [ ScanSPD ] =========================================== 2:637 0:000 Scanning SMBus [8086:9C22], mmio: 0xB3619004, ioport: 0x5040, hostc: 0x1 2:656 0:018 Slot: 2 Type 24 8192MB 1600MHz Vendor=Kingston PartNo=KHX1600C9S3L8G SerialNo=050A0006000A080A 2:657 0:000 === [ GetAcpiTablesList ] ================================= 2:657 0:000 Get Acpi Tables List from RSDT: 2:657 0:000 - [00]: FACP ACRPRDCT len=268 2:657 0:000 - [01]: UEFI ACRPRDCT len=566 2:657 0:000 - [02]: FPDT ACRPRDCT len=68 2:657 0:000 - [03]: ASF! ACRPRDCT len=165 2:657 0:000 - [04]: HPET ACRPRDCT len=56 2:657 0:000 - [05]: APIC ACRPRDCT len=140 2:657 0:000 - [06]: MCFG ACRPRDCT len=60 2:657 0:000 - [07]: BOOT ACRPRDCT len=40 2:657 0:000 - [08]: LPIT ACRPRDCT len=148 2:657 0:000 - [09]: ASPT ACRPRDCT len=52 2:657 0:000 - [10]: DBGP ACRPRDCT len=52 2:657 0:000 - [11]: SSDT ACRPRDCT len=1337 2:657 0:000 - [12]: SSDT ACRPRDCT len=2776 2:657 0:000 - [13]: SSDT ACRPRDCT len=12013 2:657 0:000 - [14]: SSDT ACRPRDCT len=11433 2:657 0:000 - [15]: SSDT ACRPRDCT len=2230 2:657 0:000 Calibrated TSC Frequency = 2394459554 = 2394MHz 2:657 0:000 === [ GetUserSettings ] =================================== 2:657 0:000 === [ Found DSDT tables ] ================================= 2:657 0:000 === [ ScanVolumes ] ======================================= 2:657 0:000 Found 8 volumes with blockIO 2:657 0:000 - [00]: Volume: PcieRoot(0x0)\Pci(0x1F,0x2)\Sata(0x0,0x0,0x0) 2:659 0:001 Result of bootcode detection: bootable Linux (grub,linux) 2:659 0:000 - [01]: Volume: PcieRoot(0x0)\Pci(0x1F,0x2)\Sata(0x1,0x0,0x0) 2:660 0:001 Result of bootcode detection: bootable unknown (legacy) 2:660 0:000 - [02]: Volume: PcieRoot(0x0)\Pci(0x1F,0x2)\Sata(0x0,0x0,0x0)\HD(1,GPT,8017BD66-1E24-4B31-8E09-BC49BECD6CC4,0x800,0x21330000) 2:661 0:001 Result of bootcode detection: bootable Windows (vista,win) 2:661 0:000 - [03]: Volume: PcieRoot(0x0)\Pci(0x1F,0x2)\Sata(0x0,0x0,0x0)\HD(2,GPT,82F3B738-65E9-458E-B2F1-BB55D4F00885,0x21331000,0x3D0800) 2:663 0:001 - [04]: Volume: PcieRoot(0x0)\Pci(0x1F,0x2)\Sata(0x0,0x0,0x0)\HD(3,GPT,E701DCD8-E3C5-4BFA-B61B-BFF4D80153FD,0x21701800,0x18C4F000) 2:664 0:001 - [05]: Volume: PcieRoot(0x0)\Pci(0x1F,0x2)\Sata(0x0,0x0,0x0)\HD(4,GPT,4DB1239A-A9D7-4045-A162-7EF1B3A5913B,0x3A350C21,0x3A3B616E) 2:665 0:001 Result of bootcode detection: bootable Windows (vista,win) 2:665 0:000 - [06]: Volume: PcieRoot(0x0)\Pci(0x1D,0x0)\USB(0x0,0x0)\USB(0x4,0x0) 2:677 0:011 Result of bootcode detection: bootable unknown (legacy) 2:677 0:000 USB volume 2:677 0:000 USB volume 2:677 0:000 - [07]: Volume: PcieRoot(0x0)\Pci(0x1D,0x0)\USB(0x0,0x0)\USB(0x4,0x0)\HD(1,MBR,0x04944021,0x3F,0x3BC1042) 2:688 0:011 Result of bootcode detection: bootable unknown (legacy) 2:688 0:000 USB volume 2:688 0:000 USB volume 2:688 0:000 This is SelfVolume !! 2:688 0:000 PutNvramPlistToRtVars: nvram.plist not found 2:689 0:000 No AudioIoProtocols, status=Not Found 2:689 0:000 === [ InitTheme ] ========================================= 2:689 0:000 use daylight theme 2:689 0:000 using embedded theme 2:689 0:000 got embedded sound 2:689 0:000 Channels: 2 Sample rate: 8000 Hz Bits: 16 2:689 0:000 output to channel 0 with volume 70, len=25600 2:689 0:000 sound channels=2 bits=16 freq=8000 2:689 0:000 sound converted to 48kHz 2:689 0:000 not found AudioIo to play 2:689 0:000 sound play end with status=Not Found 2:690 0:001 Using embedded font: Success 2:691 0:000 theme inited 2:691 0:000 Chosen embedded theme 2:691 0:000 after NVRAM boot-args= 2:691 0:000 === [ Dump SMC keys from NVRAM ] ========================== 2:691 0:000 no AppleSMC protocol 2:691 0:000 Entry scan disabled 2:691 0:000 === [ AddCustomTool ] ===================================== 2:692 0:000 === [ GetEfiBootDeviceFromNvram ] ========================= 2:692 0:000 Default boot entry not found 2:692 0:000 DefaultIndex=-1 and MainMenu.EntryCount=4 2:973 0:281 GUI ready  
    • By tluck
      Lenovo T460 macOS with Clover Guide
      Latest Release on GitHub (February 2020) Updated to Clover r5104 Updated Lilu based kexts - Lilu, ALC, WEG Updated acidanthera VoodooPS2 kext v2.1.1 the older 1.9 to the Misc Folder as an option.
        Various Tweaks over Last months The zip file is a complete Clover ESP (/EFI) bundle and kext pack for the Lenovo T460. The current file bundle is tested on Sierra. 
      Note: I never got the GFX fully working on El Capitan. 
      Full Clover file set - config.plist etc. Includes all custom kexts Includes custom DSDT/SSDT scripts and patches Utility scripts The zip bundles are posted to GitHub: https://github.com/tluck/Lenovo-T460-Clover/releases
      Caveat: The T460 systems used here was configured with: i5-6300U, Intel HD Graphics 520, 1920x1080 touch screen. If you have a different system model, then extract the ACPI files and use the included scripts to create a set of files consistent with your system type and BIOS version. See below for details.
      Credits: RehabMan, Shmilee, vusun123, TimeWalker, Mieze from which, much of their work and help is/was was used to get the T460 to this point.
      Devices and aspects working:
      Ethernet -  Intel I219LM is enabled via IntelMausiEthernext.kext WiFi/BT - substitute the Intel WiFi/BT with a compatible Broadcom or Atheros chip Audio - ALC293 codec implemented via AppleALC.kext (the old AppleHDA_ALC293 and CodecCommander kexts are not needed) PS2 - ClickPad + TrackPoint + all 3 buttons - using a modified VoodooPS2Controller to support new layouts - and added some custom Fn key maps based on 440/450 dsdt USB - implemented via custom SSDT + USBInjectAll kext. All USB3/USB2 ports are intel-based and work -  3 external USB and internal Camera, BT, etc  Sleep/Wake - the sleepwatcher package and custom sleep/wake scripts are used to help with sleep/wake for BT and PS2 devices. Note: have not tried to implement the SD card reader - no driver found.
      ACPI Files
      New Installation - Steps and Details
      Part 1 - OS Installation
      Part 2- Post OS Installation and Setup
      Notes on Custom Kexts
       
    • By Jancey
      I used this command: diskutil info disk0s2 | grep -i "Partition UUID" | rev | cut -d' ' -f 1 | rev

      But I accidentally removed the wrong disk and now my main windows drive is not appearing in the bootloader. I can't figure out how to get it back. I tried resetting my windows drive, but I kept getting an error. I also reset my mac and reinstalled Catalina.
    • By gengstapo
      @Hervé
       
      Im having similar issue with my HS setup, dell latitute 3480, i5-7200U
      Once the hdmi plugged in, the laptop display went blank, only could see the external tv
      But, when i put my laptop to sleep & wake up again, both screen got display (hdmi still connected)
      Even the hdmi could be plugged off & in (after sleep), the laptop display is fine
       
      What could be the culprit?
      Dell’s MacBook Pro IORegistry.zip
      config.plist.zip
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