Network Diagnostics app missing

You refer to a post that is over a year old, and is about an Sierra install. This discussion is about the removal of the system Network Diagnostics Tool being removed in High Sierra, which Apple removed in High Sierra.

Howdy,

I sent feed back via conversation with apple support and the link on this and another thread about this rather stupid apple decision.

I finally got a replacement iMac yesterday for my hurricane Harvey impacted 2013 iMac and discovered that apple decided to remove the startup sound, something that I have heard from the days of the old skinny Mac. To me that sound was vital to zapping pram, and just because I liked it when I started up. I was going somewhat nuts until I found the apple page that said that it was removed from the 2016 and up iMacs

Apparently you can restore the startup sound. Just Google "how to restore startup sound mac" and you'll get several articles.

MacOS hasn't used PRAM for quite a few years; they use NVRAM now, and you have to run a special command at startup to reset it: Option-Command-P-R until you hear the startup sound (used to be you'd hear it twice, but since they've removed the first chime, maybe it's only once now).

You can see exactly what your Mac is doing at startup by pressing Command-V during startup; this puts it in verbose mode.

Very good. You'll also want to change ownership of:

/System/Library/CoreServices/Network Diagnostics.app

/System/Library/CoreServices/Network Setup Assistant.app

Since they contain spaces, you'll have to escape them in Terminal thusly:

/System/Library/CoreServices/Network\ Diagnostics.app

/System/Library/CoreServices/Network\ Setup\ Assistant.app

Also, these files should be assigned to the "wheel" group, not "admin." If you examine all other System files/folders, they belong to wheel. The root user is the only member of the wheel group, while admin can have many users. Since we're trying to restore everything the way it was before Apple removed them, we might as well try to get it right, especially for security purposes. So:

sudo chown root:wheel [file]

sudo chown -R root:admin [folder]

If you had read the whole thread, you would know that Wireless Diagnostics has been brought up several times:

https://discussions.apple.com/thread/8098137?answerId=32586169022#32586169022

https://discussions.apple.com/thread/8098137?answerId=32326000022#32326000022

https://discussions.apple.com/thread/8098137?answerId=32558671022#32558671022

https://discussions.apple.com/thread/8098137?answerId=32585983022#32585983022

It still is not the same app as Network Diagnostics.

Unbelievable, PATRICKMELE, you are at least the 5th person in this discussion who has brought up Wireless Diagnostics, which is NOT the same thing as Network Diagnostics.

https://discussions.apple.com/thread/8098137?answerId=32652172022#32652172022

You are a legend Keith. Followed your instructions and Network Diagnostics is now back!

Just letting you and folks know, that there is a small (but important) typo in your instructions - the last two lines to change the ownership within Terminal have an errant space in the last word; they should read as:

sudo chown root:wheel /System/Library/PrivateFrameworks/SetupAssistantFramework.framework/Versions/A/ SetupAssistantFramework

sudo chown root:wheel /System/Library/PrivateFrameworks/SetupAssistantSupport.framework/Versions/A/Se tupAssistantSupport

I did have a heart-attack moment when I rebooted after disabling SIP, when my Finder just started a crash-loop - something about "Finder quit unexpectedly while using the SyncoCxtMenuSIMBL plug-in" whatever that meant but by quitting Chrome and restarting again I was able to open more than one Finder window without Finder crashing.

Other than that, your excellent instructions worked beautifully and am so happy that I have Network Diagnostics back - it was like I had lost a limb I never knew I really badly needed! 🙂

Thanks for the kind words. Just so you know, I didn't introduce the extra spaces. If you look at where they are, they occur at line breaks. Your own commands have them, too. But it highlights the importance of paying attention, to make sure there aren't extra spaces.

That is quite annoying, isn't it? And it seems one cannot edit one's post. That's... awkward. 🙂

sudo chown root:wheel /System/Library/PrivateFrameworks/SetupAssistantFramework.framework/Versions/A/ SetupAssistantFramework

sudo chown root:wheel /System/Library/PrivateFrameworks/SetupAssistantSupport.framework/Versions/A/Se tupAssistantSupport

I don't understand what is going on there. It seems no matter what size the text is those breaks are being inserted automagically.

I don't have this on Sierra or at least I can't find it now that I've upgraded. I've been using it for years and now it's gone. Weird, as I did have it with El Capitan. I wish I never upgraded. Sierra is way more annoying.

So far this is the only instance of this question I've seen online. I wish more ppl were asking it!

***Oh wait, there are 6 pages of ppl discussing this- why I was shown only one...

I'd never have written this otherwise.

I don't have the that tab anymore. I see I am on High Sierra already.

Am I screwed? Where are you instructions? U mean all that permissions stuff?

in the CoreServices folder how do I run the files/scripts that u are say are there? Which files? etc

I can't possibly solve an ISP-Internet connection failure. So it cannot work 100% of the time to fix a problem you have no control over. And it surely cannot diagnose the where the failure is. Your solution does not address the problem. Switching wifi connections sometimes resolves the handshake between the computer and the ISP. It does not tell you that the problem is between the ISP and the internet vs. between your wifi and the ISP. It does not diagnose the problem nor does it solve the exact problem I have. I need to know where the problem is so that I can decide to not waste time fixing something that is not the problem, like my wifi connection to the ISP provider.

Thanks, Keith. That will help. Yes, I only have one of my 3 macs updated to High Sierra. The others still have network diagnostics on the Sierra OS. Of course I updated my primary computer first . . . Sigh. Hope to get to this matter again tues or wed this week.

For the life of me I cannot understand why Apple would do this to their clients. I am not a programmer or a tech person but I enjoyed my Macbook Air right up until now. What would be the reasoning behind

A/ making something difficult or impossible from something that was easy,

B/ messing with something that worked .

Has anyone heard the term ,`` If it aint broke , don`t fix it `` .

Please return Net Diag .

Concerned , Dave