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Lenovo ThinkCentre M55 8808-94G Drivers Download (M Series)
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| Manufacturer: | Lenovo | |
| Hardware Type: | Desktop | |
| Model: | ThinkCentre M55 | |
| Series: | M Series | |
| Model Number: | 8808-94G | |
| Compatibility: | Windows XP, Vista, 7, 8, 10 | |
| Downloads: | 82,550,343 | |
| Download Size: | 3.4 MB | |
| Database Update: | ||
| Available Using DriverDoc: | Download Now | |
Optional Offer for DriverDoc by Solvusoft | EULA | Privacy Policy | Terms | Uninstall | ||
This page contains information about installing the latest Lenovo ThinkCentre M55 8808-94G (M Series) driver downloads using the Lenovo Driver Update Tool.
Lenovo ThinkCentre M55 8808-94G (M Series) drivers are tiny programs that enable your Desktop hardware to communicate with your operating system software. Maintaining updated Lenovo ThinkCentre M55 8808-94G software prevents crashes and maximizes hardware and system performance. Using outdated or corrupt Lenovo ThinkCentre M55 8808-94G drivers can cause system errors, crashes, and cause your computer or hardware to fail. Furthermore, installing the wrong Lenovo drivers can make these problems even worse.
Recommendation: If you are inexperienced with updating Lenovo device drivers manually, we highly recommend downloading the Lenovo ThinkCentre M55 8808-94G (M Series) Driver Utility. This tool will download and update the correct Lenovo ThinkCentre M55 8808-94G (M Series) driver versions automatically, protecting you against installing the wrong ThinkCentre M55 8808-94G drivers.
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- By dandepechedI want to share my Thinkpad configuration that is running smooth with most of the functionality working.
Laptop Specification
Tested on 20KS003AXS model with macOS Mojave (10.14.6)
Not Supported Hardware
Native Wi-Fi (Intel AC 3165) Discrete graphics card (ATI Radeon RX 550) Card reader Fingerprint sensor Microphone 3.5' output (only headphones are working) Wi-Fi Fix
Native Wi-Fi adapter was replaced with Broadcom BCM94352Z adapter
Known Issues
Lid close and FN keys stop working after sleep (fixed after reboot) Minor glitches for battery status is observed from time to time (empty or red battery icon while 100% charge) Handoff is unstable (works from time to time)
Configuration can be downloaded from my GitHub repo - By zkingtutHello Everyone ,
I'd like to share with you my experience with Lenovo ThinkPad P50 ( EFI , and Installation Process with some tips ) Hopefully to be useful for anyone who own Lenovo ThinkPad P50
Before start I want to show you my device specs , and I'm sure 99% this will work too with any P50 have different spec. specially Intel i7 CPUs:
- Intel Xeon E-3 1535 v5 ( P530 Intel HD Graphics )
- 32 GB RAM
- 256 GB SK Hynix Nvme SSD pc401 hfs256gd9tng-62a0a - for Mac OS ( be careful not all nvme ssd are compatible)
- 256 GB Samsung Evo 850 SSD - for Windows
- 4K Screen
- Nvidia Quadro M2000M 4 GB ( Useless - Disabled )
- Intel WiFi Card ( Should be change to a compatible Broadcom one )
BIOS SETUP :
I highly recommend this steps before going to BIOS SETUP according to my experience with this Laptop :
*( Update your BIOS Firmware to the latest one using windows )
*( Remove Battery , Open the back cover and unplug the small CMOS BATTERY for about 4~5 minutes and put everything back again )
* ( Remove any SSD HDD Nvme disks , USB , DisplayPort , Dock .. etc during installation, keep only the target Disk )
-------------------------------------------
Now Power your PC and Press F1 to enter the BIOS SETUP
- Reset BIOS to its defaults
- Adjust Date and Time
- Config ----> Network ---> Wake Up on Lan ( AC Only )
Network Stack ( Disabled )
- USB ----> USB UEFI support ( Enabled)
- Display ------> Total Graphic Memory (256 MB)
Graphic Device ( Hybrid)
- RAID -----> Disabled
- Security -----> Security Chip Selection ( Discrete TPM )
Secure BOOT ( Disabled )
Intel SGX Control ( Software Control )
- Start Up ------>BOOT Priority order ( USB HDD - Mac OS Disk - Windows - and so on ....... with this order )
UEFI/Legacy ( UEFI Only )
CSM Support ( NO )
----------------------------------------------------------------------------------------------------------------------------------
** F1 to Enter Bios - F12 for Boot Menu
*** Delete the EFI Folder in your Installation USB and replace it with the Attached one
**** Generate new serial for SMBIOS MacBook Pro 13.1
***** If your CPU is XEON then go to Config.plist CPU Section and Add 0x05A5 under Type ( Fix for Unknown CPU )
****** You can delete boot-args 'brcmfx=1 & brcmfx-driver=#a' if you want , I used it in my case with 1820A card to fix wifi issue
****** After you successfully installed OS , now Copy the same EFI Folder to your main EFI Boot Disk Partition
******* Now install all the attached KEXTS to 'Library / Extensions' using Hackintool.app or by any method and rebuild cache and repair permissions
******** Check and compare the KEXTS in Library/ Extensions and Delete the repeated ones from Clover / Kexts / Others ( Important don't duplicate the same kexts here and there )
FYI : LiluFriend.kext include ( Lilu , WhatEverGreen, AppleALC , AirportBrcmFixup ) All In One
You are Done
---------------------------------------------------------------------------------------------------------------------------------
What is working :
- 4K Intel HD P530 2048 MB
- AUDIO
- CAMERA
- ALL USB 3 PORTS , NO THUNDERBOLTS
- Keyboard and TouchPad
- Battery indicator
- Display Brightness
- Sleep
- DSDT has been patched , USB Ports modified only to MacBookPro 13.1
See the Screen Shot
Important Notice For Future OS Updates Installations :
To avoid Kernel Panic during install any future updates process please remove ( FakeSMC.kext and LiluFriend.kext ) from Library/Extensions directory to Clover / Kexts / Others .
After update process finish put them back to Library/Extensions and delete them from clover . I hope this is clear enough
---------------------------------------------------------------------------------------------------------------------------------
Happy Hackintosh , Let me know if you have any issue or difficulties during installation or later , I will try to help you
EFI.zip
kexts.zip - By ludufreInstalling macOS Mojave on Lenovo ThinkPad L440
There are two version of this laptop:
- 20AS = Chipset QM87, without Express Card (mine).
- 20AT = Chipset HM86, with Express Card.
I strong believe is the same thing...
Changelog:
07/30/2019 14:56h GMT-0
- Fixed typo in credits. Thanks @'Sniki'
06/09/2019 14:16h GMT-0
- Added missing parts in the post-install step.
06/04/2019 17:19h GMT-0
- Updated Clover link.
06/02/2019 18:08h GMT-0
- Added info about update 10.14.5.
03/13/2019 13:15h GMT-0
- Updated info about touchpad replacement and CPU and 4G LTE modem.
02/05/2019 18:47h GMT-0
- Updated info about CPU replacement and 4G LTE modem.
02/04/2019 15:24h GMT-0
- Sometimes the VoodooHDA.kext doesn't work.
- Added AppleHDADisabler.kext to fix that (attached bellow).
01/24/2019 14:42h GMT-0
- Added more adjustments to use of VoodooHDA.
- Updated VoodooHDA links to 2.9.1 official (without installer).
- Changed PCM volume from 90 to 180 in Info.plist (attached modified VoodooHDA.kext bellow)
- Updated SSDT-L440.aml (Removed HDEF and HDAU, not needed).
- Updated config.plist (Changed to user Audio layout to 1).
01/22/2019 20:47h GMT-0
- I gave up on the AppleALC.
- Headset does not work.
- Now with VoodooHDA is perfect and the sound even louder.
01/22/2019 14:37h GMT-0
- Added info about update 10.14.3.
01/22/2019 13:46h GMT-0
- Added link to BIOS reassing guide.
01/20/2019 11:49h GMT-0
- First version.
What works and what does not
- Processor: Intel Core i5-4300M -> Work. All SpeedStep stages.
- Video Card: Intel HD4600 -> Work. QE/CI and Metal.
- Chipset: Intel QM87 -> Work.
- Mini DisplayPort -> Work. But no audio, yet.
- VGA -> Not work. Normal.
- Audio: ALC292 -> Work.
- WiFi/Bluetooth: Intel AC 7260 -> Not work. Replaced with DW1560 (need whitelist removal).
- Ethernet: Intel I217-LM -> Work.
- Card Reader: Realtek RTS5227 -> Not work.
- Keyboard and Touchpad -> Work.
- Webcam -> Work.
- Fingerprint Reader -> Not work. Normal.
- USB3.0 -> Work.
- Sleep -> Work.
- Airdrop, Handoff, Instant Hotspot and Continuity -> Work after replaced wireless.
Extras
- FullHD 1920x1080 display upgrade:
Replaced with AU Optronics B140HAN01.1 30pin eDP (B140HAN01.2 and B140HAN01.3 also compatible).
Apparently same screen as Dell Latitude E6440, E7440, Lenovo Ideapad U430 and E129.
- CPU upgrade:
Replaced the stock Intel Core i5 4300M 2.6Ghz (3.3Ghz turbo) 6M cache with Intel Core i7 4700MQ 2.4Ghz (3.4Ghz turbo) 6MB.
I initially had problems with overheating. The processor ran at full load above 90 degrees.
After using a quality thermal paste I can work between 70 and 80 degrees.
Acceptable taking into consideration that the new processor has 47TDP versus 37TDP which is recommended.
I also had no problem consuming the battery while charging. The original 65W source seems to have figured out.
- Touchpad upgrade:
Replaced the stock with T460 touchpad.
This is serious: you have to do it! It should be stock. Touchpad with precision and absurd quality!
Just do it!
- RAM upgrade:
No mistery here. Just upgade.
Todo
- Make DP audio work.
- Make Card Reader work.
- Upgrade CPU to i7-4712MQ (Ordered. It's on the way) Done, but received i7-4700MQ (47w TDP, with good paste I have no overheating)
- Replace touchpad with T460 model (Ordered. It's on the way) Done. Sensitivity and perception of quality much better. I recommend 100%!
- Sierra Gobi5000 4G LTE modem EM7355 (Ordered. It's on the way. I hope works. ) Done, but not work. Recognize but not connect. I already gave up...
- Upgrade to 16GB RAM Done
- Make trackpad appear in System Preferences
What you need to install
- Running install of macOS
- One USB flash drive of 8GB or bigger
- macOS Mojave install app
- Clover EFI
- Clover Configurator
- Some KEXTs and SSDT patches
How create create the install flash drive
Prepare install flash drive
Format the flash drive with GUID partition mapping and name it 'Install'.
- Open Disk Utility.
- Click in View, then 'Show All Devices'.
- Select the destination flash drive, then Erase.
- Name: Install, Format: Mac OS Extended (Journaled) and Scheme: GUID Partition Map
Create install flash drive
Open terminal and run this command:
sudo /Applications/Install macOS Mojave.app/Contents/Resources/createinstallmedia --volume /Volumes/Install --nointeraction This will take about 30 minute s.
Install bootloader
Download the CloverEFI from SourceForge (used 4934) and install with this options on 'Install macOS Mojave':
- Install for UEFI booting only
- Install Clover in the ESP
- UEFI Drivers - ApfsDriverLoader-64
- UEFI Drivers - AptioMemoryFix-64
Make things works
Will be created a partition named EFI and mounted in Desktop.
- Replace the /Volumes/EFI/CLOVER/config.plist with mine attached below
If you have modded BIOS with Advanced Menu and enabled 128MB DRAM-prealloc use 128MB_DRAM-prealloc_config.plist.zip
If no, then use 32MB_DRAM-prealloc_config.plist.zip
- Put SSDT-L440.aml attached below in /Volumes/EFI/CLOVER/ACPI/patched/
Generate your Serial, MLB and SmUUID
- Open the replaced config.plist with Clover Configurator (used 5.3.2.0)
- Go to SMBIOS, click few times in 'Generate New' in Serial Number and SmUUID.
Download those Kexts and put in /EFI/CLOVER/kexts/Other/
- Download the HWSensors 3 from here. I used the FakeSMC.kext, ACPIMonitor.kext and IntelCPUMonitor.kext inside of DMG version r196.
- Download the VoodooPS2Controller.kext from here. I used version 2018-1008.
- Download the IntelMausiEthernet.kext from here. I used the version 2018-1031.
- Download the Lilu.kext from here. I used the version 1.3.6.
- Download the VoodooHDA from here. I used the version 2.9.1 and patched the sound volume (attached below).
- Download the WhateverGreen.kext from here. I used the version 1.2.9.
- Download the AppleBacklightFixup.kext from here. I used the version 2018-1013.
- Download the USBInjectAll.kext from here. I used the version 2018-1108.
- Download the ACPIBatteryManager.kext from here. I used the version 2018-1005.
- Download the VirtualSMC.kext from here. I used version 1.0.2. Replaced with FakeSMC of the HWSensors 3 r196 package.
- Download the FakeSMC.kext from here. I used the version 2018-0915. Replaced with VirtualSMC.kext due 10.14.4 issues on update.
- Download the AppleALC.kext from here. I used the version 1.3.4. Replaced with VoodooHDA.kext due mic not working.
Wifi and Bluetooth (DW1560 / BCM94352Z)
Unfortunately, some notebook manufacturers are currently blocking the replacement of wireless cards. They want you to only use the models sold by them. And of course, none of them from Lenovo for this notebook model is compatible with MacOS.
If you try to start with an unauthorized wifi card for them, you will receive a screen error:
1802: Unauthorized network card is plugged in - Power off and remove the network card. Since this check is done directly in the BIOS, the only solution is to modify it.
But since nothing is easy in this life, there is one small big problem:
- The BIOS update procedure does not allow you to use modded files as it used to be.
- You will need to physically reach your BIOS on the motherboard and make use of a USB BIOS reader/writer.
So what you need to do:
1. Disassembly your laptop;
2. Dump your BIOS with an USB BIOS reader with SOIC8 clip (to not desolder from the motherboard);
3. Patch it (In addition to removing the whitelist, add the advanced menu);
4. Fix RSA signature;
5. Reflash BIOS;
6. Replace wireless card;
7. Remount your laptop;
8. Done.
Soon, I'll provide step by step in this process. Probably until end of this week.
In the meantime, if you need to, send me your dump that I do steps 3 and 4 for you.
I also add the Advanced Menu so you can increase to 128MB the DRAM-prealloc.
To fix a Modded BIOS to remove the 5 beeps on boot, you need this guide: https://www.insanelymac.com/forum/topic/337333-guide-fix-insyde-h2o-bios-signature-5-beeps-on-lenovo (traduzido: pt-BR)
After replaced the wireless card. Download those Kexts and put in /EFI/CLOVER/kexts/Other/
- Download the AirportBrcmFixup.kext from here. I used the version 2.0.0.
- Download the BrcmFirmwareRepo.kext and BrcmPatchRAM2.kext from here. I used the version 2018-0505.
- Download the BT4LEContinuityFixup.kext from here. I used the version 1.1.2.
Now you can start the instalation without problem (I guess).
How install
UEFI Setup Configuration and Installation
UEFI configuration
My BIOS is the latest: 1.93 (J4ET93WW)
- Shutdown and insert the flash drive.
- Power on with F1 pressed to enter BIOS setup.
- Change value: Config - Intel(R) AMT - Intel(R) AMT Control to DISABLED
- Change value: Security - Security Chip to DISABLED
- Change value: Security - Anti-Theft - Intel(R) AT Module Activation to DISABLED
- Change value: Security - Anti-Theft - Computrace to DISABLED
- Change value: Security - Secure Boot to DISABLED
- Change value: Startup - UEFI/Legacy Boot to BOTH, Legacy First and CSM Support = Yes
- Save & Exit Setup (F10)
- Now, hold the F12
- In the list, select your flash drive.
The installer will start.
Format destination disk
Format the disk with GUID partition mapping and name it 'Macintosh'.
- Select Disk Utility in the list, then press Continue.
- Click in View, then 'Show All Devices'.
- Select the destination Disk, then Erase.
- Name: HD, Format: APFS and Scheme: GUID Partition Map
Close Disk Utility.
Select 'Install macOS', then Continue.
Follow instructions in screen.
After install
After first part install the system will reboot. Maybe you have to press F12 again and select the flash drive.
The second part of the installation will begin. This will take 16 minutes.
Post installation
Install bootloader
When the second part of install finish, the system will reboot again.
After performing the user initial setup and go to the desktop, you need to install Clover on internal disk.
Open the Clover installer inside flash drive that you copied before.
Use same options above but choose the system partition this time.
Now you need to replace the EFI folder inside your destination disk EFI parittion, with EFI folder inside flash card EFI partition.
If the flash drive EFI partition of your destination disk or flash drive is unmounted:
Mount with terminal 'sudo diskutil mount /dev/rdiskXs1'. To know what X is, use 'diskutil list', most likely is 0 for destination disk and 1 for flash drive.
Then, eject the flash drive.
Last step
Move all Kexts from EFI partition to /Library/Extensions, with those commands in Terminal:
sudo mv -R /Volumes/EFI/EFI/CLOVER/kexts/Other/* /Library/Extensions/sudo chmod -R 755 /Library/Extensionssudo chown -R root:wheel /Library/Extensionssudo kextcache -i / Restart the system.
It's done!
Updates
System update 10.14.3
- Updated with success;
- Everything works perfectly after reboot;
System update 10.14.4
- Updated Clover to 4910.
- Updated Lilu.kext to 1.3.5 and WhateverGreen to 1.2.7.
- After first reboot the update progress stoped with:
GTrace synchronization point 4Unsupported CPUUnsupported PCHhmm.. mismatch sizes: 3100 vs 20 It was still possible to start the previous installation, selecting 'Macintosh' as opposed to 'macOS Install' in Clover.
So I created a flash drive with Clover 4910 and put only my config.xml, SSDT-L440.aml, the updated Lilu.kext and WhateverGreen.kext. And I decided to test VirtualSMC instead of FakeSMC.kext.
With this I was able to install update 10.14.4. After installation I can boot normally, even with FakeSMC.kext that already in /Library/Extensions.
I do not know what exactly happened, but now works everything like was previously.
System update 10.14.5
- Updated Clover to 4934.
- Updated Lilu.kext to 1.3.6 and WhateverGreen to 1.2.9.
- After first reboot the update progress stoped again (like 10.14.4 update) with:
GTrace synchronization point 4Unsupported CPUUnsupported PCHhmm.. mismatch sizes: 3100 vs 20 It was still possible to start the previous installation, selecting 'Macintosh' as opposed to 'macOS Install' in Clover.
I decided to rollback to FakeSMC.kext but this time with the version of HWSensors 3. Link above.
With this I was able to install update 10.14.5. After installation I can boot normally.
And last but not least
I would like to thank the following community members, by making these dream possible:
@crushers, @snatch, @apianti, @blackosx, @blusseau, @dmazar, @slice2009, @autumnrain, @phpdev32, @EMlyDinEsH, @RehabMan, @Scellow, @mitch_de, @Shailua, @Andy Vandijck, @maxfierke, @ArturXXX, @LexHimself, @brumas, @'Sniki' and all others members involved directly or indirectly.
Attachments
32MB_DRAM-prealloc_config.plist.zip
128MB_DRAM-prealloc_config.plist.zip
SSDT-L440.aml
VoodooHDA.kext.zip
AppleHDADisabler.kext.zip - By Angelo_Hi, I followed the rehabman guide (linked in the vanilla guide on the side of r/Hackintosh, not sure if I can link it) for laptops for my yoga 730ILW13 with an 8265u, Conexant 11870, 8gb of ram, 13.3' fhd and I found that upon booting the installer usb I get this weird issue where the screen displays what it should but the screen is incredibly dim (though it was off before using a flashlight on it) and it flashes every few seconds for a few milliseconds to the correct brightness, I used the plist for hd615-650 (including my 620), not quite sure what could be the culprit, first time hackintoshing a laptop so it might be a stupid brightness kext I forgot but didn't find any in that post or in this forum :c
Attached the clover zip so that anyone with more experience than me might give an idea in what could be a way to fix this.
Thank you in advance
CLOVER.zip - By tluckLenovo T460 macOS with Clover Guide
Latest Release on GitHub (April 2019) Updated to Clover r4918 Updated Lilu kexts - ALC, WEG Merged Verleihnix' config.plist - especially to NOT inject GFX Updated BacklightInjector as option to WEG.
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 (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