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[Guide] Lenovo Y50 (UHD or 1080p) using Clover UEFI (10.11)

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I have a perfectly working 4k y50-70 running el cap but thinking about updating to sierra. I hate to be 'that guy' but I'll ask anyway. Will this guide work with sierra and if so, what still won't work?

Sorry if I'm asking a redundant question. The information on the status of 10.12 and this machine are scattered through posts in this thread and others and I'm having trouble determining how well everything runs. Thanks.
 
freejack said:
I have a perfectly working 4k y50-70 running el cap but thinking about updating to sierra. I hate to be 'that guy' but I'll ask anyway. Will this guide work with sierra and if so, what still won't work?

Sorry if I'm asking a redundant question. The information on the status of 10.12 and this machine are scattered through posts in this thread and others and I'm having trouble determining how well everything runs. Thanks.
Click to expand...

If you update to the newest kexts via the script used in the guide, and use USB to update, you should be able to get it fully running. The only difference between yours and mine is the UHD screen. Y50 does not seem to require some problematic patches that other devices do. However, some patches are still required, which are provided by the Issues with 10.12 thread
The only difference I have between 10.12 and 10.11 is that USB mouse does not disable touchpad. But like RehabMan has explained, it's a change in the usb stack coding in Sierra.
 
masterscarhead1 said:
If you update to the newest kexts via the script used in the guide, and use USB to update, you should be able to get it fully running. The only difference between yours and mine is the UHD screen. Y50 does not seem to require some problematic patches that other devices do. However, some patches are still required, which are provided by the Issues with 10.12 thread
The only difference I have between 10.12 and 10.11 is that USB mouse does not disable touchpad. But like RehabMan has explained, it's a change in the usb stack coding in Sierra.
Click to expand...

TBH the trackpad on our y50's are pretty crap anyway and I use it only as a last resort. Thanks for the info. I think I'll give it a shot.
 
RehabMan said:
I think you forgot to set DVMT-prealloc correctly.
Click to expand...

Thanks for the tip, however I'm seeing the same problem after successfully setting the DVMT-prealloc by downgrading the BIOS and using setup_var 0x18C 0x4
 
jakey.bt said:
Thanks for the tip, however I'm seeing the same problem after successfully setting the DVMT-prealloc by downgrading the BIOS and using setup_var 0x18C 0x4
Click to expand...

Read post #1, "Problem Reporting".
 
Is there anyway to tap and drag on Sierra without having to click the button?
 
Last edited:
milkrong said:
Hi do you know where is the Selection"without cache" in the newest clover version
Click to expand...

It has been removed from the latest Clover.
Three choices:
- add -f boot argument (Clover options)
OR
- use an older Clover that has it
OR
- build a custom Clover that has it
 
RehabMan said:
It has been removed from the latest Clover.
Three choices:
- add -f boot argument (Clover options)
OR
- use an older Clover that has it
OR
- build a custom Clover that has it
Click to expand...

thanks a lot! I turn back to older Clover and try "without cache" and it doesn't solve the audio problem, and finally I repeat "./installdownloads.sh" ,then it worked
There must be something wrong that I missed while first installation

A good guide! thx!
 
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