MacBook Pro 2012 sporadically slowdown since the upgrade: SSD ALL SSAY!
Hello
I recently updated from a Samsung 850 Evo 256 GB SSD to the 1 TB version. Everything worked perfectly on El Capitan before the upgrade.
Since then, my Macbook (15-inch, mid-2012, 9.1) is very reliable. It has constantly been extremely hot, that fans speed up at bottom, unless they are overridden by third-party applications (fan SSD command), and even simple things like streaming video may cause the thing to grind to a halt. The battery life is also significantly more bad for exchanging the two SSDS.
1. almost directly after installation of the SSD using my Time Machine (from the 256 GB SSD), underside of the Macbook backup was extremely hot to the touch and the fans were at full blast all the time. I have reset the SMC and downloaded SSD fan control to override the fans. This seemed to help for a few days, but then...
2. on the accusation, it slows to a halt, which makes the Macbook unusable. I can't understand why, because it is not as if a particular application is the cause on several occasions. I noticed that kernel_task consuming CPU during one of these "slowdowns", so I tried the fix involving passing the model identifier of IOPluginPlatformFamily.kext after you turn off the csrutil of the recovery partition. But my model identifier was not yet which are listed there, there is nothing to move.
3. the SSD seems to work very well. Repeated with BlackMagic Disk Speed Test assessment tests show reading and writing almost 500 MB/s.
3. I ran the Apple hardware test and he told me that he had "no problems found".
4. I have checked inside the case for excessive dust and has no problem.
I scoured the internet to find answers and tried every possible solution I found, everything to nothing does not. Any help would be greatly appreciated - I am considering looking for a new laptop if I can't understand what is the problem, as I can't work
I partitioned the SSD drive immediately after the Time Machine backup - this could be the problem?
Thank you very much for reading this and for all the advice!
Tom
A number of users have had problems with the new Samsung SSD. Note that Samsung omits Mac compatibility on their web site. Whether or not this SSD is the problem is unknown at this time. You might consider to replace it with the prior SSD and see if there is a change.
First of all, I suggest that reset you the SMC and NVRAM:
https://support.Apple.com/en-us/HT201295
https://support.Apple.com/en-us/HT204063
Try a safe boot:
https://support.Apple.com/en-us/HT201262
If no change, remember to reinstall os x.
txl879 wrote:
the fans speed up at bottom, unless they are overridden by third-party applications (fan SSD command),
Application of fan control do you use? The reason why I ask, is that all of these applications I know, allow to increase the speed of the fan, does not decrease the speed. To do this involves an element of risk because the conditions may require the speed high ventilation and by the user, reducing can result in thermal shutdown.
Ciao.
Tags: Notebooks
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