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[SUCCESS] Latitude 3470: El Capitan 10.11 / High Sierra 10.13


marliwahoo

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As always a BIG thank you for your help!

 

It's BIOS 1.5.2. I tried several methods of bios downgrade (including bios recovery mode) it would not accept any bios later than 1.5.2. Searching the web for answers I found:

1. enable Bios downgrade (I did that)

2. Turn off TPM (done)

3. BIOS recovery (won't accept any .RCV file with bios earlier than 1.5.2)

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Yes! All fixed. Thank you!!

 

No other changes needed to be made. All networking is working.

 

One note: I used hdaenabler.kext because I couldn't compile your last dsdt after I tried to change layout id. Otherwise ...... Perfect!

 

Here are the notes from the 1.5.2 BIOS update:

post-7937-0-59457600-1487546774_thumb.jpeg

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After the fixes from the last bios update , I was still having problems with playing video - both from the internet and from my HD after sleep. I noticed there was a newer bios (1.6.2) and tried it. But now networking is broken again. Is there a simple guide specifically for patching dsdt/ssdt on latitudes? I find most of the guides complicated. I hate to ask, but could you patch these?

 

Thanks!

origin.zip

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