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Looking for some help with a Latitude 3450 please


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I got my hands on a Dell Latitude 3450 and I'm trying to get everything working...  


  • BIOS:  A13
  • CPU: i3-5005u
  • GPU: HD 5500
  • Audio: Realtek ALC3234 (aka ALC255)
  • Wifi: Qualcomm/Atheros AR9565
  • Ethernet: Realtek RTL8111
  • Storage: SATA 3 SSD​
  • SMBIOS:  MacBookAir7,1
  • Clover:  3998
  • macOS:  10.12.3


What is working:

  • Keyboard (via RehabMan's VoodooPS2Controller.kext v1.8.25)
  • Trackpad (via RehabMan's VoodooPS2Controller.kext v.1.8.25) but 3 finger gestures not working correctly
  • CPU power management 
  • Sleep/Wake (but does not sleep when lid closes)
  • HD 5500 QE/CI acceleration (via Clover patch)
  • HDMI
  • Ethernet (via RTL8111 kext)
  • Wifi (via drivers found on internet)
  • USB 3
  • Battery indicator
  • AirPlay Mirroring (but no audio)​

What's not working:

  • Audio
  • Sleep when lid closes
  • Screen Brightness Control
  • HDMI Audio
  • USB 2 port
  • Bluetooth​

I read through lots of information but when it came time to compile my DSDT, I encountered syntax errors that I simply didn't know how to overcome...

I currently already have the ALC255 and Codec Commander in my /Library/Extensions/ folder.

I've attached my DSDT/SSDT files from Clover F4 extraction (also in Clover folder), IORegistryExplorer file, and my Clover folder for review.

Any help would be greatly appreciated. Thanks in advance!!

Latitude 3450 ioreg.zip

Clover EFI folder.zip

Clover extracted DSDT.zip

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I replicated all the changes you made to my config.plist on to my original one and it booted!!!


As far as I can tell, all my issues have been resolved.


Things fixed:

  • Audio
  • Bluetooth
  • USB 2
  • Webcam
  • Sleep when lid is closed

Thank you so much for you assistance.  I would not have been able to do it without your help!


I have included my copy of config.plist so that it may help other Latitude 3450 users.



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Screen brightness control and HDMI audio still don't work...


AirPlay mirroring works with audio now!


Thanks for the info on Karabiner-Element.  I'll check it out.  





Karabiner-Element has given me screen brightness control.  Thanks!!

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