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Dell E7440: Issues installing Ventura


dctacsi

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@Jake Lo Thank you for your assistance you provided here for updating my bootpack to OC v0.8.6. It worked, I think the OC works perfectly. But for some reason the Ventura installation still doesn't work... :(

I get this error message during installation:

This copy of Install macOS Ventura.app is corrupted and cannot be used to install macOS.

:(

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Well, I thought I give it a try and to my amazement, I was able to install Ventura successfully and gotten graphics acceleration too.

Screenshot 2022-12-09 at 2.46.24 PM.pngScreenshot 2022-12-09 at 6.03.27 PM.png

Here are the steps I took:

With the OC 0.8.6 bootpack, I added this to bootarg

-no_compat_check

Switch SMBIOS to MacBookPro14,1 ( not sure if this is require but that's what I did)

Upgrade Big Sur using Ventura USB installer successfully but without graphics acceleration

Download OCLP 0.5.2

Selected "Post Install Root Patch" -> Start Root Patches

Rebooted system - > full graphics acceleration

Switch SMBios back to MacBookPro11,4 and it still works

 

Note: to run OCLP, SIP must be disabled. Just change csr-active-config to 03080000

Add this to bootarg as well amfi_get_out_of_my_way=0x1

 

Tested function so far:

Audio works / Audio buttons works

HDMI / DP video /Audio works(4K will need patching)

3 displays - Main / miniDP / HDMI

Fn+ Arrow for Brightness works

Touchpad with some gestures

Sleep / Wake works

Wireless works - using Broadcom DW1550

SD Card Reader - works

 

 

 

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How stable is Ventura on e7440? can you re-enable SIP after using OLCP?

I avoided ventura and go straight to Monterey due to unsupported model.

I'm using my hack for my dayjob so stability is my first concern. lol

Also on my e7440, I need to add BigSurSDXC kext to make the sdcard reader work.

I am still waiting for the adapter of BCM94360CS2  to fit in my e7440. 

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