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Hi Middleman thanks for the guide. I used it to set up the Prime A motherboard which required only minor alterations to your prescription. Cheers

RE: Screen flickering / blanking I seem to have fixed the issue by uninstalling Flux - (an app that changes the colouring of the screen to reduce the blue light later in the day). I think running the fan a bit faster and disabling GPU standby mode in BIOS may help too, as well as correct...

yup, all the cables I got were 3'. I agree the certification thing is prob BS though. But I know the current cable I have used to work perfect on Sierra (after lots of time spent fixing this blanking issue). Once I updated to High Sierra...BOOM, it was back with a vengeance. I notice it seems to...

Not cables. I bought about 5 different ones - all certified. Blanking / flickering is a known problem with intel graphics, even outside the macOS arena

I've had re-emergence of the age-old screen blanking / flickering to black problem with upgrade to high sierra. Not sure how I fixed it previously; it can be done though as I had a stable Sierra for a long time.

Rehabman, could you please clarify for me the setup wrt NVMe drives. My read/write speeds have definitely taken a hit. At the moment I am running without the trim patch in config.plist, and with sudo trimforce disabled and an APFS formatted intel SSD. I notice under About This Mac > System...

I'm getting very slow read/write speeds from my NVMe drive now for some reason - compared with what was the case when I just had Sierra. Trimforce is disabled. I did a fresh install - followed the guide here. So my clover patched directory only contains 2 aml files and the standard files from...

Can I safely remove the Lilu and IntelGraphicsFixup and any other kexts from my /L/E directory? I'm not really sure what they're for

Everything's working perfectly for me, thanks Rehabman. I've got nvme drive - it was very slow on initial startup but after a couple of reboots no issues. There are some warning messages popping up before the Clover menu. I presume they are not cause for concern? I have no idea what they mean!

One thing that might help though is turning off standby mode on the video card in the BIOS

@Lanman71 - I USED to have the same problem with the blackouts. And I pretty much bought every grade-A, DP certified cable available. It wasn't 'a cabling issue' in the end. None of the cables worked better than the other. The problem eventually just went away, with tinkering with various files...

I've updated to HS on NUC skull canyon. Everything seems to be in working order. Thanks Rehabman

I have remained blanking free, for now at least. Note that I have set the fan speed to quite a bit higher than the default settings too, and I think that that has helped. It would be interesting to know whether this happens in Windows too.

Nah, I switched around several certified cables — tried all sorts of combinations; and the problem persisted. Though as Rehabman mentioned, it is barely noticeable. When I first got the NUC SC I was (unbeknownst to myself) using incompatible Corsair RAM and the screen blanking would happen much...

I've been having this screen blanking for a while also. Occurring maybe once or twice a day, and worse when watching HD video. I just updated the BIOS to the new release a few days ago and it seems to have disappeared. (I hope!)

OMFG! Thank you, kind Internet stranger! It is now working perfectly after I switched out the memory chips.

Here's a copy taken with DP plugged in (taken between blinks!)

Current issue Cannot use DisplayPort as monitor drops signal (goes blank, flickers off, black screen) for 1 to 2 seconds recurrently every 5 to 7 seconds. I followed the guide assiduously. And I have determined definitively that this is not related to voltage or cabling - same setup works fine...

I'm having this problem too. Or at least it's similar. Every so often the screen (totally unpredictably) will go completely blank for a second. Still no solution to this. It appears to only be a problem over DisplayPort and not HDMI.

Sweet, thanks.