[Solved] Dell E6440: No Wifi/Ethernet/sleep under Big Sur (OpenCore)

[dgccr]

Hello @Hervé Just wanted to give you a quick update, I wish I knew about OCAuxiliaryTools earlier! Using that tool I was able to do the following which im hoping you can confirm.

 

- Added missing serial #s etc ( reads perfect now )
- Removed old video patch settings you said were not needed ( think I did this correct )

- Updated my OpenCore Setup + all Kexts to their latest

- Wifi Working

 

 

GPU Settings

 

Not working ( need to still look into )

 

1 - Ethernet shows self assigned IP when connected ( Need to test in Windows, Might just be a faulty NIC, Seems to be detected fine and manual IP doesnt help )

2 - Sleep ( Bios Looks good ), If it sleeps or I hit sleep I just get a black screen, its on but cant see anyhting ( will have to continue troubleshooting ).

Other than that I think everything else is working perfect, if you dont mind checking my EFI config ( attached ) I would greatly appreciate it. I just needed some pointers to get me in the right direction

Im very big on forum etiquette ( search first, research even more ), I just kept striking out but im in a good spot now I think.

 

Thanks in advance!

 

E6440_EFI_0.9.4.zip

[Hervé]

What's not working for iGPU? No HDMI output or freeze/KP on plugging/unplugging the HDMI cable? You sure got the correct patch in place.

 

I'm a little confused when you say you get a black screen on putting the computer to sleep? What else did you expect? Does it not go to sleep? Or do you mean you get black screen on wake? In which case, what if you wait something like several (long) minutes (but under 5mins)?

[dgccr]

Not Working was just the heading to the list below ( those 2 remaining things are not working )

 

1 - Ethernet shows self assigned IP when connected ( Need to test in Windows, Might just be a faulty NIC, Seems to be detected fine and manual IP doesn't help )

2 - Sleep ( Bios Looks good ), If it sleeps or I hit sleep I just get a black screen, its on but cant see anything ( will have to continue troubleshooting ).

 

I believe everything is working perfect with the iGPU ( resolution / acceleration / etc ), Initially you said :

"Graphics settings are incorrect with no need to patch fbmem or stolenmem on HD4600 iGPU."

 

Other than the above you didnt give me much direction on where to check but it looked pretty clear when I opened the Config.Plist / DP section & adjusted accordingly which is hopefully correct.

 

( BEFORE )

 

 

AFTER - Matching what you posted in one of your first replys.

 

 

So in that screenshot above I am just showing you that it now matches what you said it was suppose to be and looking for you to confirm that it looks correct ( included the EFI folder ).

I also updated all the kexts to the most current and thats also working perfect!

 

Sleep issue - Only remaining problem I believe.

 

Sorry for not being clear on the going to sleep part I meant when it goes to sleep and tries to come out, I know the screen is suppose to go black when it sleeps hahahah.

 

If I click the Apple Menu >> Sleep or close the lid it takes a few mins but appears to goto sleep. If I reopen the lid or click the power button the laptop springs back

to life but the screen will remain black ( backlight is on and laptop appears to be on ) but no display.  If I let it sit this way it will just reboot in 5 mins.

 

Whats been done - ( sleep troubleshooting )

 

- Ran through the preparations here - https://dortania.github.io/OpenCore-Post-Install/universal/sleep.html  ( terminal commands )

- Set all the recommended bios settings.

 

So its possible its able to sleep but doesn't successfully come out of sleep or atleast not back to a visible desktop. If I do not mess with sleep the laptop works fine.

 

Is there  a GPU setting I can check in OCAT or part of my config in the EFI I posted last that can be tweaked maybe? If you can guide me where to look or what to check im sure I can get this fixed pretty quickly.

 

This is pretty the only remaining issue, Other than that everything is working perfect.

[Hervé]

What happens if you disable hibernation as described in our FAQ topic?

[dgccr]

Just applied all the settings in the FAQ unfortunately it behaved the same :

 

 System-wide power settings currently in use:

 

 standbydelaylow      10800

 standby              0

 womp                 1

 halfdim              1

 hibernatefile        /dev/null

 powernap             0

 networkoversleep     0

 disksleep            10

 standbydelayhigh     86400

 sleep                0

 autopoweroffdelay    259200

 hibernatemode        0

 autopoweroff         0

 ttyskeepawake        1

 displaysleep         3

 highstandbythreshold 50

 lidwake              1
 

I took it a step further though and did the following :

 

1 - Enabled Remote Management

2 - Set a constant ping in terminal from another machine

3- Put laptop to sleep ( Went to sleep fine, power button is pulsing )

4 - Brought out of sleep by hitting power button ( As before laptop sounds like its on but screen is blank/black just the backlight is on )

     *Had a constant ping going and saw it go offline ( sleep ) and come back online ( out of sleep ).

 

4 - Attempted to connect remotely while laptop has nothing on the screen ( it prompts for name/password via remote and seems to connect but is just a white screen on the remote desktop with a cursor ).

 

It will then reboot, Show a kernel panic and and then proceed to boot as normal.

 

So it appears it can sleep but experiences some issue coming out of sleep, It partially comes out because I can reach it remotely and

login to it but the remote screen is just white with a cursor.

 

Attached is the sys log, Not sure if that helps ( crash / reboot happened around   8/8 4:22pm EST )

 

 

syslog.zip

[Jake Lo]

add this SSDT to disable the discrete graphics card

 

SSDT-Disable-DGPU.aml.zip

[dgccr]

Hey @Jake Lo That was it!!!!!!!!!!!! You are a lifesaver!!! Sleep works perfect now... I really appreciate all the help as well from @Hervé

I know it was something basic and I did a ton of research before even making this post.. Im pretty technical but when you dont do this

very often ( first time in years, look at my signature ) alot has changed.

 

If I could buy you guys a beer I would That was that only remaining issue and now the laptop works great... OpenCore seems to be miles ahead of the older methods we use to use.

 

Thanks again!