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Greetings. I am working with a second Thinkpad T420S, and need to flash a modded BIOS for wifi. I cannot find a modded BIOS for this system. I have another T420S hackintosh, and I may have used a T420 modded BIOS for that one. Can anyone guide me to a modded BIOS for a T420S which will allow...

Thank you again for your help. The debugging and C++ might be a bit over my head. Tap to click works as well as the lower buttons. I would like for all the buttons to work, but I can live without them.Once again, thanks for your help and guidance!

Thank you for checking. Is there a better way to implement your driver that will get these upper trackpad buttons working? Thank you.

Here is my ioreg file

Not sure if I have Synaptics. Is this software? How can I check?

Looking in my kext folder, I see VoodooPS2Controller.kext. I was unable to find kexts for a T420S, and used kexts for a T420 instead. If you need any other information please let me know. Thank you.

Good morning forum! I have set up a few hackintoshes using Lenovo Thinkpads. I currently have a T420S running El Capitan, and have mostly everything working. I notice the trackpoint and trackpoint buttons (the upper buttons on the trackpad) are not working. Has anyone set up a T420S with the...

Thank you again for your help, Bald Man. Here's how I got Clover boo tloader to recognize (and boot into) my Linux Mint 17.2 Cinnamon installation. I created a new installation USB stick using Rufus, selecting 'boot using EFI with GPT'. When installing Linux mint, select 'something else' at...

Thank you for pointing me in the right direction Going Bald. I changed the value under Legacy from false to true in my config.plist: <key>Scan</key> <dict> <key>Entries</key> <true/> <key>Legacy</key> <true/> <key>Tool</key> <true/> </dict> Clover recognized the linux...

Hello! I have successfully installed El Capitan on my T420s. I have also installed Linux Mint 17.2 to another partition on the same drive. Clover does not show the Linux partition as a bootable option. How can I fix this? Thank you for any suggestions or guidance.

I was able to re-flash the BIOS under Windows 7. The settings now seem to save properly. Now able to boot into El Capitan! Thank you.

I did not use a patched DSDT. I have not re-patched anything since the BIOS update. Can I do that without being able to boot into OSX? I am now looking to re-flash the BIOS for a Windows 7 drive. Unfortunately, this process is not completing as the instructions say it will. I originally...

Hello! After installing El Capitan successfully on my T420S, I booted from a Windows 7 drive and flashed to Bios to use Wifi. Booting now hangs. I have looked into the BIOS settings, and notice that when I disable the auto select for graphics and set to Integrated Graphics, the graphics...

SOLVED! Found this post by reubenjames http://www.tonymacx86.com/yosemite-desktop-support/168833-solved-yosemite-install-gets-hung-up-bpfattach-len-64-dlt-12-a.html I used the boot flags exactly as posted, and I was able to boot into Yosemite installer. Thank you!

Oops. I was led to believe this is an Arrandale in some of my research. This machine is a T410s According to BIOS: Machine Type Model: 2904 HCU Embedded Controller Version: 1.14 CPU Type: Intel Core i5 M560 CPU Speed: 2.66GHz Installed Memory: 8192MB Is there any other information I can...

Hello Forum! I am looking to install Yosemite on a T410s, and cannot boot into the USB installer. Before trying any boot flags, the screen would just go black during usb boot. After using some flags like GraphicsEnabler=Yes, I get 3 vertical white stripes and hang. I am trying some other boot...

Thank you for the guide! I can boot into Mavericks on my Lenovo X220 successfully. I am trying to get audio from my machine. After running Multibeast 6.5.0, I am presented with the following message: ----- System extension cannot be used The system extension...

I have successfully installed OS X Mavericks on a Lenovo X220. Bluetooth is on, and in the Bluetooth settings, the 'Turn Bluetooth Off' button is greyed out. I would rather not leave this on if I am not using it, and it also shows my machine is in discoverable mode. Thank you in advance for...