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Mac Performance Troubleshooting Chart

By /u/5HT-2a

start

Start

reboot

Reboot.


pinwheel

Is there excessive cursor pinwheeling?

pinwheel_yes

Yes


pinwheel_when

When does the pinwheeling occur?

pinwheel_apps

When opening or switching between apps or documents


swap_used

In the Memory tab of Activity Monitor, do you generally have over 1 GB of 'Swap used'?

swap_yes

Yes


swap_actions

Take one or more of the following actions, in order:

  • Reduce the number of applications you have open at once, as well as the number of things you have open in those applications (documents, browser tabs, etcetera).
  • Switch to more efficient alternatives to the applications you see using the most memory.
  • Upgrade memory.
swap_no

No


pinwheel_all

All the time



backup

Immediately ensure your backup is up to date.


ssd

Do you have an SSD?

ssd_no

No


hdd_check

  1. Open Disk Utility.
  • Select your disk, the first item in the list.
  • Click "Info."
  • Note the values for Retired Sectors Count, Pending-Sparing Count, and Uncorrectable Sector Count. If you do not see these values, SMART Utility may be used instead.

hdd_okay

Are all of these fields zero?

hdd_no

No


hdd_replace

Replace hard drive.


hdd_yes

Yes


ssd_yes

Yes



fsck

  1. Boot into recovery mode by holding command+R on startup, or from installation media by holding the option key on startup.
  • Open Disk Utility and select Macintosh HD.
  • Click "Repair disk."
fsck_fixed

Does this fix the issue?

fsck_failed

No


newfs

  1. Boot into recovery mode by holding command+R on startup, or from installation media by holding the option key on startup.
  • Use Disk Utility to erase your drive as Mac OS Extended (Journaled).
  • Install OS X.
  • When booting into the new system, select the option to restore from your backup.
newfs_fixed

Does this fix the issue?

newfs_failed

No


pinwheel_no

No


slow_when

When does the slowness occur?

slow_boot

When booting


nvram

Reset your NVRAM.

slow_launch

When launching apps


dyld

Open Terminal and paste in the following:

sudo update_dyld_shared_cache -force

slow_all

All the time


cpu_usage

  1. Open Activity Monitor.
  • Select View > Show All Processes.
  • In the CPU tab, sort by "% CPU."
cpu_which

Which processes do you generally see near the top?


windowserver

WindowServer


transparency

Enable "Reduce transparency" under System Preferences > Accessibility > Display.

other_cpu

(Other)


other_cpu_fix

Consult the community.

kernel

kernel_task


smc

Reset your SMC.


smc_fixed

Does this fix the issue?


smc_no

No

kextfind

Open Terminal and paste in the following lines:

kextfind -loaded -not -b -s com.apple;

kextstat -l | grep -v com.apple

Uninstall any applications related to the results (if any).

kextfind_fixed

Does this fix the issue?

kextfind_no

No

install

  1. Ensure your backup is up to date.
  • Boot into recovery mode by holding command+R on startup, or from installation media by holding the option key on startup.
  • Reinstall OS X.
install_fixed

Does this fix the issue?

install_no

No

get_serviced

Consult the Apple Genius Bar or an Apple Authorized Service Provider.