Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
Deleting /Library/Preferences/Systemconfiguration might have done the trick instead of a run to an Apple store and a clean install.
Next time you have issues try the above method, you do loose all network settings though, so make a backup of that folder before you delete that folder.

Thanks for the suggestion. I actually did this.. well the "how to" guide I used had me delete three or so other things as well. I did keep them in the trash so I could show Apple what I had tried. I really don't know how to do much with the utilities on Mac OS. Deleting those things did get me connected but the problem would return in an unpredictable timeframe. I did a clean install of HS two times and the problem continued. Whatever was messed appears to be fixed by going back to Sierra.
 
From the perspective of my late-2013 15-MBA with GT750M, no such luck. I spent some time undoing CUDA, then installing the Nvidia web drivers. But if my U2715Q is connected, it becomes molasses within a few minutes. Tried playing with both screen resolutions (scaled, native) and still no luck. If I didn't have a backup MP, I'd be really bent!

Within minutes!?
Interesting. I've had the slowdown problem once yesterday and after that I decided to install the Nvidia Web Driver. Have been using the computer all day today, sleeping and waking. No problems so far.
 
Public beta 5 downloaded to my computer then said it couldn't be installed. A reboot didn't trigger an install and now beta 5 does not show up in the app store. Where did it download to in my computer? If I can find it can I install it from that location?
 
These betas for macOS and WatchOS are practically GMs already unless new issues are discovered.
Unless Apple wants to release these two at the same time as iOS and tvOS, we should expect their final releases before the end of this week or no later than Tuesday (based on previous history).
 
Public beta 5 downloaded to my computer then said it couldn't be installed. A reboot didn't trigger an install and now beta 5 does not show up in the app store. Where did it download to in my computer? If I can find it can I install it from that location?


I have almost the same issue with my iMac. It downloaded the entire 2.99Gb for this beta, went through the whole installation steps (apparently) and re-booted. Then it announced that "some updates could not be installed". A visit to the app store showed no trace of the update being installed or available. SO I had to go through the entire "register you Mac" and download the macPublicBetaAccessUtility.dmg and execute that before it again downloaded the update and installed it fully and properly. However this time it was only 2.50Gb. I have had to go through this procedure several of the last few betas. It did also happen just like this a few times on my Macair as well.

Anyone have any ideas what causes this??
 
I have almost the same issue with my iMac. It downloaded the entire 2.99Gb for this beta, went through the whole installation steps (apparently) and re-booted. Then it announced that "some updates could not be installed". A visit to the app store showed no trace of the update being installed or available. SO I had to go through the entire "register you Mac" and download the macPublicBetaAccessUtility.dmg and execute that before it again downloaded the update and installed it fully and properly. However this time it was only 2.50Gb. I have had to go through this procedure several of the last few betas. It did also happen just like this a few times on my Macair as well.

Anyone have any ideas what causes this??
This has also happened to me, pretty much exactly what you wrote. I have never had this many issues with betas before High Sierra. Thank you.
 
Public beta 5 downloaded to my computer then said it couldn't be installed. A reboot didn't trigger an install and now beta 5 does not show up in the app store. Where did it download to in my computer? If I can find it can I install it from that location?

Updates are downloaded to /Library/Updates/Folder with letters and numbers, but sadly you can't install OS updates from there like it used to be, some of them will install, just not the macOSUpdate and some others.

I have almost the same issue with my iMac. It downloaded the entire 2.99Gb for this beta, went through the whole installation steps (apparently) and re-booted. Then it announced that "some updates could not be installed". A visit to the app store showed no trace of the update being installed or available. SO I had to go through the entire "register you Mac" and download the macPublicBetaAccessUtility.dmg and execute that before it again downloaded the update and installed it fully and properly. However this time it was only 2.50Gb. I have had to go through this procedure several of the last few betas. It did also happen just like this a few times on my Macair as well.

Anyone have any ideas what causes this??

It's probably less because it installed the Recovery Update but not the rest.
 
.....
[doublepost=1511978779][/doublepost]
Updates are downloaded to /Library/Updates/Folder with letters and numbers, but sadly you can't install OS updates from there like it used to be, some of them will install, just not the macOSUpdate and some others.
There is no folder "updates" in the library folder. Could it be hidden?
 
Last edited:
.....
[doublepost=1511978779][/doublepost]
There is no folder "updates" in the library folder. Could it be hidden?
Screen Shot 2017-11-29 at 19.50.22.png
 
I had to leave the beta program then go through the whole re-signing up for the beta program and downloading the assistant. At that point, Beta 5 downloaded and installed. And as mentioned by another poster this time the download was only 2.50Gig and not 2.99G. I am now running Beta 5, Version 17C83a.
 is making it a hassle to stay in the beta testing program.
 
I'm trying to install the beta but Software Update keeps coming up with an error when it downloads - is this happening to others too?

software update error.jpeg
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.