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Now I crashed my S/L/E and my ethernet card is not working.. Yeah. Just double checking cause I never got those warnings before.

So even the terminal showing "kext with invalid signature allowed....", they still have properly loaded by cache? I never have gotten these messages before.

Just a missing development tool, reinstall it and the gen_debug tool works fine. Problem reporting file attach. Just out of curiosity. Are there any 'common reason' for those invalid signature allowed problem?

yeah, will do

Posting the problem file soon cause I'm still finding the answer of gen_debug.sh not dumping clover file properly. It used to be normal, but now it says xcrn error at /Library/Developer....

I've reinstall the kext using kext utility but problem still remain. Does this problem happens because of clover config file didn't cp into LaunchDaemons directory?

I've tried deleting the EmuVariableUefi-64.efi file, the brightness saving works, but the resolution saving problem still remain. Now I temporarily found a way to set resolution which is covering the laptop screen after boot, open it, then the resolution works.

Actually I already solved this problem by changing resolution setting at every boot from default to scaled resolution. After changing to scaled resolution once, I have no problem using default resolution. But right now I'm still finding a way to save my resolution setting as well as brightness...

Sorry that would be the last time making this mistake

Sorry, my fault. After trying to patch AppleBacklightInjector.kext, the problem still remain. I am thinking is it possible to solve this by using discrete graphic card and disable integrated card? And the last question is, is the SMBIOS has anything to do with this? Cause I remember I've seen...

I have double checked with plistEdit, but it certainly do not contain that patch.

Oops.. I just saw "do not clover configurator"

In the guidance above, there is a line in installation section saying "Add the patch marked with comment "change F%uT%04x to F%uTxxxx in AppleBacklightInjector.kext (credit RehabMan)" from ~/Projects/guide.git/config_patches.plist to your own config.plist". But the config_HD5300_5500_6000.plist...

Or is it possible that this only happens on Sierra? I'm thinking if the backlight control is not willing to fix this problem, I'll try to install High Sierra instead.

https://www.tonymacx86.com/threads/guide-laptop-backlight-control-using-applebacklightinjector-kext.218222/ Is this the right guidance I should follow with? I'll try to fix backlight control first to see what's going to happen. Cause my bios seems don't have that kind of option...

Bios picture below. BTW if I change boot mode to "Legacy" I will get picture like the last one(with black screen).

I have read this guide https://www.tonymacx86.com/threads/solved-intel-hd-graphic-5500-4mb.233661/ about solving graphic problem after enabling CSM in bios. But my acer laptop didn't give me too much option to choose in bios. Are there any way where I can set CSM outside the bios?

Reattach new problem reporting files after restoring appleIntelBDWGraphicsFramebuffer.kext to its original configuration. After that, I reboot the computer with id "0x16260006" but still get the screen as depict in the picture(Please forgive me if I am using the wrong word.Not native speaker..)...

But I'll try restore AppleIntelBDWGraphicsFramebuffer.kext to its origin way and boot again. Post result soon

Yes, I used that id because that's the only way I can boot up Sierra normally(without QE/CI). When I use id "16260006" I got glitches after second stage boot.