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NO AUDIO / NO SOUND / NO HDMI_MOJAVE 10.14.4_ PLEASE HELP

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Hello colleagues, good morning, I hope they are good in everything,


I need your help please,

I do not logically activate the sound of my laptop here specifications:

Dell Inspiron 14 5000 series (5458)


- Intel ® Core i5-5200U CPU @ 2.20GHz

- Ram 4GB »

- Intel HD Graphics 5500

- PCI Network:

Intel Dual Band Wireless-AC 3160 AC HMC WiFi Adapter

Realtek RTL8139 / 810x Fast Ethernet Adapter


- Audio

Intel Broadwell HDMI @ Intel Broadwell - Mini HD Audio


Realtek ALC255 @ Intel Wildcat Point-LP PCH High defi .....


Someone of you who can give me a hand to ACTIVATE and let all the sound and hdmi of my laptop work, I will be infinitely grateful to you ...

Here is my EFI


regards

God bless you n.n

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