Announcement: Upgrade to macOS Mojave

With features like Dark Mode, Stacks, and four new built-in apps, macOS Mojave helps you get more out of every click. 
Find out how to upgrade to macOS Mojave >

Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.


Question: MBP mid 2012 very slow after High Sierra clean Installation

EtreCheck version: 3.4.6 (460)

Report generated 2017-11-17 11:30:07

Download EtreCheck from

Runtime: 28:23

Performance: Poor

Click the [Lookup] links for more information from Apple Support Communities.

Click the [Details] links for more information about that line.

Problem: Computer is too slow

Hardware Information:

MacBook Pro (13-inch, Mid 2012)

[Technical Specifications] - [User Guide] - [Warranty & Service]

MacBook Pro - model: MacBookPro9,2

1 2.5 GHz Intel Core i5 (i5-3210M) CPU: 2-core

8 GB RAM Upgradeable - [Instructions]


4 GB DDR3 1600 MHz ok


4 GB DDR3 1600 MHz ok

Handoff/Airdrop2: supported

Wireless: en2: 802.11 a/b/g/n

Battery: Health = Normal - Cycle count = 583

Video Information:

Intel HD Graphics 4000 - VRAM: 1536 MB

Color LCD 1280 x 800

Disk Information:

TOSHIBA MK5065GSXF disk0: (500.11 GB) (Rotational)

[Show SMART report]

EFI (disk0s1 - MS-DOS FAT32) <not mounted> [EFI]: 210 MB

(disk0s2) <not mounted> [CoreStorage Container]: 499.25 GB

(disk0s3) <not mounted> [Recovery]: 650 MB


USB Information:



Apple Inc. FaceTime HD Camera (Built-in)




Apple Inc. Apple Internal Keyboard / Trackpad

Apple Computer, Inc. IR Receiver

Apple Inc. BRCM20702 Hub

Apple Inc. Bluetooth USB Host Controller


Thunderbolt Information:

Apple Inc. thunderbolt_bus

Virtual disks:

Untitled (disk1 - Journaled HFS+) / [Startup]: 498.88 GB (481.62 GB free)

Physical disk: disk0s2 499.25 GB Online

System Software:

macOS High Sierra 10.13 (17A405) - Time since boot: less than an hour


Mac App Store and identified developers

System Launch Agents:

[not loaded] 7 Apple tasks

[loaded] 191 Apple tasks

[running] 90 Apple tasks

System Launch Daemons:

[not loaded] 38 Apple tasks

[loaded] 186 Apple tasks

[running] 104 Apple tasks

Internet Plug-ins:

QuickTime Plugin: 7.7.3 (installed 2017-10-03)

3rd Party Preference Panes:


Time Machine:

Time Machine not configured!

Top Processes by CPU:

5% WindowServer

2% kernel_task

1% mds

1% mds_stores

0% fontd

Top Processes by Memory:

736 MB kernel_task

215 MB

210 MB

122 MB

106 MB mds_stores

Top Processes by Network Use:

Input Output Process name

26 KB 3 KB mDNSResponder

11 KB 1 KB netbiosd

4 KB 3 KB apsd

5 KB 2 KB

0 B 64 B SystemUIServer

Top Processes by Energy Use:

8.06 WindowServer

4.20 mds

2.72 mds_stores

0.16 mdworker

Virtual Memory Information:

5.08 GB Available RAM

1.03 GB Free RAM

2.92 GB Used RAM

4.05 GB Cached files

0 B Swap Used

Diagnostics Events (last 3 days for minor events):

2017-11-17 10:27:44 Last shutdown cause: 3 - Hard shutdown

2017-11-17 09:36:23 WindowServer Crash [Open]

Cause: Assertion failed: (((serviceCount > 0) && (serviceCount == mpCount)) || (serviceCount == 0) - Driver Error: 3 of 4 framebuffers were successfully opened), function CGXMappedDisplayStart, file /BuildRoot/Library/Caches/ reDisplay/IODisplay/MappedDisplay.cpp, line 4632.

MacBook Pro, macOS High Sierra (10.13), Mid 2012 model

Posted on


Page content loaded

Nov 17, 2017 11:54 AM in response to Jeg1978 In response to Jeg1978

Back up your Mac if you have not done so already. To learn how to do that please read To learn how to use Time Machine read Use Time Machine to back up or restore your Mac. The reason for creating a backup is that the symptoms you describe could be indicative of an impending hard disk drive failure, so securing your data is a primary concern.

Then, shut down your Mac and restart it in "Safe Mode". To learn how to do that please read Use safe mode to isolate issues with your Mac - Apple Support. Compare how your Mac works in Safe Mode to how it has been, and describe your observations in a reply to this Discussion.

Then, restart normally. If the same problem returns, please read the section If an issue doesn't happen in safe mode for Apple's recommended actions.

Finally, you can temporarily create a new User Account, and log in to that account to determine if the problem also exists when logged in to that Account. To learn how to do that read How to test an issue in another user account on your Mac. When you are finished troubleshooting, you can remove the temporary User Account by following these instructions: Delete a user or group. Before removing it, confirm you don't need any of the files you might have created in that Account.

Let me know what you determine.

Nov 17, 2017 11:54 AM

Reply Helpful
User profile for user: Jeg1978

Question: MBP mid 2012 very slow after High Sierra clean Installation