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I have a Mid-2012 MacBook Pro. The last few months my MBP has been very unstable. I must have performed a clean install roughly around 15 times. Everything works well right after a fresh install, however, give it a day or two, and it's unstable again. I don't really keep a lot of data on it, just use it mostly for browsing.

The problems I encounter are stalling, the beachball spinning while I am browsing or typing. A lot of times the beachball just doesn't stop spinning or stalls itself. At this point everything else stops functioning hence forcing me to perform a hard boot.

I upgraded to High Sierra yesterday, and had to do a clean install again today. Before performing the clean install, I tried rebooting in Safe Mode, didn't work. Even if I did manage to log in to the user account, nothing was loading.

I've performed the disk utility check and all seems fine. At least that's what I think. What am I supposed to be looking for after performing the disk utility check? It doesn't show up with any errors.

All seems to be working fine with the guest account. However in order to be entirely sure about the guest account, I would have to use it for an extended period of time. I suspect my iCloud account might be corrupted.

Is it possible for a corrupted iCloud account to cause such instabilities with Mac?

klanomath
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baltarsix
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  • There's two things you need to try: 1) create another account and use it for a while. If the problem goes away, it's related to your user profile. 2) Run Apple Hardware Test (AHT). Hold the D key while booting from a powered off state with the AC adapter connected. Also, are you using the original HDD that came with your MBP? – Allan Sep 27 '17 at 14:52
  • Thanks Allan. I shall try that, and yes, I am using the original HDD that came with my MBP. – baltarsix Sep 27 '17 at 15:00
  • See this relevant (not dupe) answer It's for a 2011, but the 2012 is still applicable. HDDs typically have a lifespan of about 3 years; your's is now 5+. It's not out of the realm of possibility that you're having drive issues, but I would try the two suggestions I commented on earlier before going down that road. – Allan Sep 27 '17 at 15:57
  • If it is the HDD: MB "Pro" machines often have a typical life-span less then HDDs. Do not invest anything further into this machine. It is well past its "best before" date, https://www.apple.com/support/macbookpro-videoissues/ – LаngLаngС Sep 27 '17 at 16:13
  • Allan, I've created another user profile as suggested by you. Will be using it for a while to see how it goes. So far, it's working smooth, but it's just day 1!

    Meanwhile, I'm also researching the HDD and SSD compatibilities. Thank you so much for your time and assistance.

     – baltarsix Sep 27 '17 at 16:17
  • "If it is the HDD: MB "Pro" machines often have a typical life-span less then HDDs. Do not invest anything further into this machine. It is well past its "best before" date"..............oh that hurts – baltarsix Sep 27 '17 at 16:18
  • The comment made by @LangLangC is blatantly false. There is no empirical data to substantiate the claim that a 2012 MBP it's past its useful life. In fact, I am actively looking for some 2012's because they are the last model year that support High Sierra which have user serviceable memory and drives . – Allan Sep 27 '17 at 16:49
  • One of many empirical data points is indicated by the link given. And according to my dictionary: " 'past their Best Before date' but what does that mean? In brief, the best before date is the manufacturers estimate of when the premium quality of its product may start to deteriorate and isn't when food should be discarded." That holds up to Cripps Pink alike. – LаngLаngС Sep 27 '17 at 17:12
  • Your MBP will accept either the 7mm or 9mm drive. See this answer for reference. – Allan Sep 29 '17 at 12:30

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i hate this beachball, but you can do some things, first is to start with cmd+r and go to terminal and write csrutil disable and reboot. now your sip is disabled and you should enable it in the same way when your finished with this steps:

  1. Go to About this mac under the apple in the upper left and click on More info

  2. Click on system report

  3. make a note of what it says after Model Identifier

    1. go to your masterdrive–System-Library–Extensions– IOPlatformPluginFamily.kext-Contents–Plugins–ACPI_SMC_PlatformPlugin.kext– Contents–Resources – find the name from step 3 and move it to a folder that you can find again if needed.

Now reboot and check, if your mac is running better. you can also check in disk utility the kerneltask before and after youremoved the file. dont forget to enable your sip now. what is about your cpu temperatur or fan, to high? you can solve this only by disconnect you battery and powersupply. Now hold down the on/off button for min 5 better 10 seconds. Rebuild your batterie and reboot. Next thing is pr ram reset, start while holding cmd+option+p+r, wait until you hear the loud mac startup sound and release then the mac start up again. clear cache by start while holding shift, log in and reboot. that should make a hugh difference like before. you can run from time to time in terminal sudo purge to clear your used ram. cheers**

Marco Doll
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