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[SUCCESS] Latitude 5590 (Coffee Lake) High Sierra

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Hi everyone,

 

Has somebody successfully  installed High Sierra on a Dell 5590 (coffee Lake processor equiped i5-8250U)  ?

 

Regards

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nope you would be the first one here.

they just added graphics support to clover 6 days ago so you will need clover revision 4606 or higher at minimum, lilu.kext and whatevergreen.kext compiled from source within the last 5 days they added support for faking coffee as kaby you will probably have to look at some sort of DVMT editing or patching. plus your standard laptop issues like back light, audio, WiFi, bt, track pad/keyboard (these might be on an i2c bus) sleep/wake/shutdown, power management.

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Hi Bronxteck,

 

Thanks for your answer, i just started to work on this. I managed to boot it with clover but after 3 months practice about patching, i have not understood yet what are the mandatory patchs to apply on origin files (got with Clover F4) as quoted in your message "plus your standard laptop issues like back light, audio, WiFi, bt, track pad/keyboard (these might be on an i2c bus) sleep/wake/shutdown, power management"

 

I applied patchs in clover boot (no acpi patching) but for example, to have trackpad running need to patch DSDT file, and i would like to apply the patchs in clover directly in acpi.

 

I can attach Origin folder if needed.

 

Many thanks for help

 

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Post full specs of the system, include :

  • type of touchpad
  • Audio codec
  • ethernet
  • wifi
  • BIOS version

Attach Clover folder with Origin folder

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Hi Jake,

 

Here are specs:

 

Dell Latitude 5590

- Bios 1.3.2 (last)

- Cpu i5-8250U

- 16Go Ram (2 X 8Go)

- Clover 4617

- High Sierra 10.13.4 installed on Sata SSD (not NVMe)

- Graphics working except backlight cursor not presentDSDT and SSDT

- Sound ALC3246 (working)

- Network Intel I219-LM (Working)

- Wifi DW1560 (Working)

- Keyboard (Working)

- Touchpad not working (i2c certainly)

 

I would like to learn how to patch DSDT and SSDT files, I tried several times without success

 

Hope this will help

 

origin.zip

CLOVER.zip

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I'll just take a guess for the I2C. Replace the attached contents into /EFI/Clover

You can attach the IOReg of before and after updating the files

5590_I2C.zip

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Good news Jake,

 

Trackpad is working great !!

I just lose sound and I had to put back some files in clover/kext folder to make it work I will look which ones are mandatory.

 

Your patched acpi files work, nice job.

 

In monitor preferences, slider is not present. I am quite sure I saw it working.... so many manipulations, I can't remember what was done.

 

Here are ioreg files.

 

Thanks for all

5590_after.ioreg

5590_before.ioreg

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Only kext I took out of clover kext is Shiki.kext which is now bundled into whatevergreen.kext, so that should not have any side effect.

Probably need to repair permissions and rebuild cache.

Post debug files

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