Why is Excel so slow on Mac Mini?

At home I have a Mac Mini 1.66GHz Intel Core Duo with 2GB RAM and 80GB hard drive, OS 10.4.10 and Excel 2004. At work I have an IBM Thinkpad 1.6GHz Intel Pentium Pro with 1.2GB RAM and 40GB hard drive, Windows XP and Excel 2003. I have an excel spreadsheet that takes 3 minutes to recalculate on the IBM Thinkpad. But on the Mac Mini it takes over 7 minutes and some times stops recalculating.
Why is there such a huge difference in performance? What could be making the performance on my Mac Mini so slow?

I've had Macs at home and PC's at work for many years. But this is the widest performance gap on spreadsheets that I've ever experienced. My old G4 was close to my old desktop PC at work when processing the same spreadsheet. Is there anything else that may be going on? Or anything to improve performance? One thing I've noticed is when I select the excel icon and get info, nowhere do I find this open with rosetta option that I've seen talked about. The app clearly says it's a PowerPC app, so shouldn't that option show up under get info, or did that go away under 10.4.10?

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 Cheers, Tom

Very slow running Mac Mini

Hi,
I'd like to thank all people supporting us (users) in these discussions, and especially the person who helped me restoring my MBP's performance,
I'm requesting once again some help for my Mac Mini which is very very slow.
Mac Mini running OS X Moutain Lion + Apple's Server add-on (a few services are running : file sharing mainly).
Thanks in advance,

Hello Hedi, see how many of these you can answer...
See if the Disk is issuing any S.M.A.R.T errors in Disk Utility...
http://support.apple.com/kb/PH7029
Open Activity Monitor in Applications>Utilities, select All Processes & sort on CPU%, any indications there?
How much RAM & free Disk space do you have also, click on the Memory & Disk Usage Tabs.
Open Console in Utilities & see if there are any clues or repeating messages when this happens.
In the Memory tab of Activity Monitor, are there a lot of Pageouts?

HT1338 Why can't i update my Mac mini above 10.5.8

Why can't i update my Mac mini above 10.5.8?

See:
Upgrade Paths to Snow Leopard, Lion, and/or Mountain Lion
You can upgrade to Mountain Lion from Lion or directly from Snow Leopard. Mountain Lion can be downloaded from the Mac App Store for $19.99. To access the App Store you must have Snow Leopard 10.6.6 or later installed.
Upgrading to Snow Leopard
You can purchase Snow Leopard through the Apple Store: Mac OS X 10.6 Snow Leopard — Apple Store (U.S.). The price is $19.99 plus tax. You will be sent physical media by mail after placing your order.
After you install Snow Leopard you will have to download and install the Mac OS X 10.6.8 Update Combo v1.1 to update Snow Leopard to 10.6.8 and give you access to the App Store. Access to the App Store enables you to download Mountain Lion if your computer meets the requirements.
     Snow Leopard General Requirements
       1. Mac computer with an Intel processor
       2. 1GB of memory
       3. 5GB of available disk space
       4. DVD drive for installation
       5. Some features require a compatible Internet service provider;
           fees may apply.
       6. Some features require Apple’s iCloud services; fees and
           terms apply.
Upgrading to Lion
If your computer does not meet the requirements to install Mountain Lion, it may still meet the requirements to install Lion.
You can purchase Lion by contacting Customer Service: Contacting Apple for support and service — this includes international calling numbers. The cost is $19.99 (as it was before) plus tax. It's a download. You will get an email containing a redemption code that you then use at the Mac App Store to download Lion. Save a copy of that installer to your Downloads folder because the installer deletes itself at the end of the installation.
     Lion System Requirements
       1. Mac computer with an Intel Core 2 Duo, Core i3, Core i5, Core i7,
           or Xeon processor
       2. 2GB of memory
       3. OS X v10.6.6 or later (v10.6.8 recommended)
       4. 7GB of available space
       5. Some features require an Apple ID; terms apply.
Upgrading to Mountain Lion
To upgrade to Mountain Lion you must have Snow Leopard 10.6.8 or Lion installed. Purchase and download Mountain Lion from the App Store. Sign in using your Apple ID. Mountain Lion is $19.99 plus tax. The file is quite large, over 4 GBs, so allow some time to download. It would be preferable to use Ethernet because it is nearly four times faster than wireless.
     OS X Mountain Lion — System Requirements
       Macs that can be upgraded to OS X Mountain Lion
         1. iMac (Mid 2007 or newer) — Model Identifier 7,1 or later
         2. MacBook (Late 2008 Aluminum, or Early 2009 or newer) —
             Model Identifier 5,1 or later
         3. MacBook Pro (Mid/Late 2007 or newer) — Model Identifier 3,1 or later
         4. MacBook Air (Late 2008 or newer) — Model Identifier 2,1 or later
         5. Mac mini (Early 2009 or newer) — Model Identifier 3,1 or later
         6. Mac Pro (Early 2008 or newer) — Model Identifier 3,1 or later
         7. Xserve (Early 2009) — Model Identifier 3,1 or later
To find the model identifier open System Profiler in the Utilities folder. It's displayed in the panel on the right.
Are my applications compatible?
         See App Compatibility Table — RoaringApps.
     For a complete How-To introduction from Apple see Upgrade to OS X Mountain Lion.

Why does my second ssd (on mac mini late 2012) is terribly slow ?

OS X 10.10.1
Mac mini (Late 2012)
2,3 GHz Intel Core i7
8 Go 1600 MHz DDR3
Hello,
I put a second hd (240 Go Crucial CT240). But it doesn't run as nicely as i expected ;
I tried to install maverick on it, the process was incredibly slow and when i tried to use, it didn't work
dual boot didn't work well with difficulties to reboot on the first hd (that is also an ssd this one work great ).
I now want to use it for data. Reading and writing on it is so slow.
I don't understand why ?
every informations on that topics is welcome

Here are what it show.

Slow booting mac mini..

Hi. I have a mac mini (early 2009, 2ghz, 4gb ddr3 memory). For some reason it seems to boot slower than my girlfriends mac mini (late 2006, 1.6ghz 2gb ddr2memory). Both are running 10.6.7 fully updated, connecting to the same network with only a keyboard and mouse attached. Hers even runs a little faster until you start to load it up with programs. Anybody know why? Or what could be wrong with mine?

The most obvious things that load at login, which is part of startup if you have auto login enabled, are located at Apple menu-->System Preferences-->Accounts-->Login Items. Unless you are certain that something listed here is not necessary, leave it alone.
To get an idea of which processes are running on your mini that are not running on your girlfriend's, launch /Applications/Utilities/Activity Monitor on each system. From the Show menu, choose All Processes, then click in the User column to sort by user. Any process that is owned by root was launched during the startup process. You can compare the processes owned by root on each system to determine what is different. That might help you get a handle on what is different with your mini. Just because you find a process that isn't on your girlfriend's system does not mean that it is unnecessary. It just means your system is running it and her's is not. If you give us the process names, it may help determine it's usefulness.

Slow 2015 mac mini

Hi all,
Got a mac mini that I've had about 3 months. I was brought to replace the 2007 imac I had.
I installed the mini by restoring the old time machine back up.
I don't use it for much power hungry stuff (web, email, excel etc) but not all at the same time.
It just feels slow and I fell like I see the rainbow circle thing all the time.
I am just wondering if I've installed some crap from the old imac that I don't need.
I attach the etre report.
Thanks in advance for any help.
Ian
EtreCheck version: 2.1.8 (121)
Report generated 4 April 2015 16:15:38 BST
Download EtreCheck from http://etresoft.com/etrecheck
Click the [Click for support] links for help with non-Apple products.
Click the [Click for details] links for more information about that line.
Hardware Information: ℹ️
    Mac mini (Late 2014) (Technical Specifications)
    Mac mini - model: Macmini7,1
    1 1.4 GHz Intel Core i5 CPU: 2-core
    4 GB RAM Not upgradeable
        BANK 0/DIMM0
            2 GB DDR3 1600 MHz ok
        BANK 1/DIMM0
            2 GB DDR3 1600 MHz ok
    Bluetooth: Good - Handoff/Airdrop2 supported
    Wireless: en1: 802.11 a/b/g/n/ac
Video Information: ℹ️
    Intel HD Graphics 5000
        Acer AL1714 1280 x 1024 @ 60 Hz
System Software: ℹ️
    OS X 10.10.2 (14C1514) - Time since boot: 2 days 23:17:39
Disk Information: ℹ️
    APPLE HDD HTS545050A7E362 disk0 : (500.11 GB)
        EFI (disk0s1) <not mounted> : 210 MB
        Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
        [redacted] HD (disk1) / : 498.89 GB (176.35 GB free)
            Core Storage: disk0s2 499.25 GB Online
USB Information: ℹ️
    Apple Inc. BRCM20702 Hub
        Apple Inc. Bluetooth USB Host Controller
    Apple, Inc. IR Receiver
    Western Digital My Book 750.16 GB
        EFI (disk2s1) <not mounted> : 210 MB
        Untitled (disk2s2) /Volumes/Untitled : 749.81 GB (413.64 GB free)
    HP Deskjet 3050A J611 series
Thunderbolt Information: ℹ️
    Apple Inc. thunderbolt_bus
Gatekeeper: ℹ️
    Mac App Store and identified developers
Kernel Extensions: ℹ️
        /System/Library/Extensions
    [not loaded]    com.devguru.driver.SamsungComposite (1.2.61 - SDK 10.6) [Click for support]
        /System/Library/Extensions/ssuddrv.kext/Contents/PlugIns
    [not loaded]    com.devguru.driver.SamsungACMControl (1.2.61 - SDK 10.6) [Click for support]
    [not loaded]    com.devguru.driver.SamsungACMData (1.2.61 - SDK 10.6) [Click for support]
    [not loaded]    com.devguru.driver.SamsungMTP (1.2.61 - SDK 10.5) [Click for support]
    [not loaded]    com.devguru.driver.SamsungSerial (1.2.61 - SDK 10.6) [Click for support]
Problem System Launch Agents: ℹ️
    [killed]    com.apple.CallHistoryPluginHelper.plist
    [killed]    com.apple.security.cloudkeychainproxy.plist
    2 processes killed due to memory pressure
Problem System Launch Daemons: ℹ️
    [killed]    com.apple.ctkd.plist
    [killed]    com.apple.ifdreader.plist
    [killed]    com.apple.nehelper.plist
    [killed]    com.apple.tccd.system.plist
    [killed]    com.apple.wdhelper.plist
    5 processes killed due to memory pressure
Launch Agents: ℹ️
    [running]    com.gopro.stereomodestatus.plist [Click for support]
    [loaded]    com.oracle.java.Java-Updater.plist [Click for support]
    [running]    com.teamviewer.teamviewer.plist [Click for support]
    [running]    com.teamviewer.teamviewer_desktop.plist [Click for support]
Launch Daemons: ℹ️
    [loaded]    com.adobe.fpsaud.plist [Click for support]
    [loaded]    com.microsoft.office.licensing.helper.plist [Click for support]
    [loaded]    com.oracle.java.Helper-Tool.plist [Click for support]
    [loaded]    com.oracle.java.JavaUpdateHelper.plist [Click for support]
    [loaded]    com.teamviewer.Helper.plist [Click for support]
    [running]    com.teamviewer.teamviewer_service.plist [Click for support]
    [running]    com.zeobit.MacKeeper.plugin.AntiTheft.daemon.plist [Click for support]
User Launch Agents: ℹ️
    [loaded]    com.adobe.ARM.[...].plist [Click for support]
    [failed]    com.amazon.cloud-player.plist [Click for support]
    [running]    com.amazon.music.plist [Click for support]
    [loaded]    com.google.keystone.agent.plist [Click for support]
    [running]    com.spotify.webhelper.plist [Click for support]
    [failed]    com.zeobit.MacKeeper.Helper.plist [Click for support]
User Login Items: ℹ️
    iTunesHelper    Application Hidden (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
    Dropbox    Application (/Applications/Dropbox.app)
    Google Chrome    Application Hidden (/Applications/Google Chrome.app)
    Spotify    Application Hidden (/Applications/Spotify.app)
    fuspredownloader    Application Hidden (/Users/[redacted]/Library/Application Support/.FUS/fuspredownloader.app)
    HP Product Research    Application (/Library/Application Support/Hewlett-Packard/Customer Participation/HP Product Research.app)
Internet Plug-ins: ℹ️
    Default Browser: Version: 600 - SDK 10.10
    AmazonMP3DownloaderPlugin1016264: Version: AmazonMP3DownloaderPlugin 1.0.16 [Click for support]
    AdobePDFViewerNPAPI: Version: 11.0.10 - SDK 10.6 [Click for support]
    FlashPlayer-10.6: Version: 17.0.0.134 - SDK 10.6 [Click for support]
    LogMeIn: Version: 1.0.961 - SDK 10.7 [Click for support]
    Silverlight: Version: 5.1.20913.0 - SDK 10.6 [Click for support]
    Flash Player: Version: 17.0.0.134 - SDK 10.6 [Click for support]
    LogMeInSafari32: Version: 1.0.961 - SDK 10.7 [Click for support]
    QuickTime Plugin: Version: 7.7.3
    SharePointBrowserPlugin: Version: 14.4.8 - SDK 10.6 [Click for support]
    AdobePDFViewer: Version: 11.0.10 - SDK 10.6 [Click for support]
    iPhotoPhotocast: Version: 7.0
    JavaAppletPlugin: Version: Java 8 Update 31 Check version
User internet Plug-ins: ℹ️
    ybs-aa: Version: 1.0.1.377 - SDK 10.8 [Click for support]
3rd Party Preference Panes: ℹ️
    Cineform [Click for support]
    Flash Player [Click for support]
    Java [Click for support]
Time Machine: ℹ️
    Skip System Files: NO
    Auto backup: YES
    Volumes being backed up:
        Macintosh HD: Disk size: 498.89 GB Disk used: 322.54 GB
    Destinations:
        Untitled [Local]
        Total size: 749.81 GB
        Total number of backups: 25
        Oldest backup: 2015-02-05 03:04:36 +0000
        Last backup: 2015-04-03 11:30:31 +0000
        Size of backup disk: Too small
            Backup size 749.81 GB < (Disk used 322.54 GB X 3)
Top Processes by CPU: ℹ️
        20%    firefox
        12%    backupd
         7%    mds
         2%    WindowServer
         1%    makewhatis
Top Processes by Memory: ℹ️
    451 MB    softwareupdated
    352 MB    firefox
    142 MB    ocspd
    99 MB    Spotify
    69 MB    Finder
Virtual Memory Information: ℹ️
    69 MB    Free RAM
    1.60 GB    Active RAM
    1.55 GB    Inactive RAM
    690 MB    Wired RAM
    7.68 GB    Page-ins
    101 MB    Page-outs
Diagnostics Information: ℹ️
    Apr 1, 2015, 04:50:06 PM    Self test - passed
    Mar 20, 2015, 12:56:03 PM    /Library/Logs/DiagnosticReports/Kernel_2015-03-20-125603_[redacted].panic [Click for details]

You have traces of MacKeeper on your system. Remove those.
You only have 4GB of RAM, and that is clearly not enough for you, as you only had 69MB of free RAM at the time of the report. Upgrade to at least 8GB. Visit http://macsales.com or http://crucial.com. They are not the only two RAM vendors, but are the ones most commonly recommended here.

ACR 7.1 - very slow on Mac mini

Hi
I'm running the trial version of CS6 on a new Mac mini.
I like the features in ACR 7.1 but I'm finding it very slow.
Dragging the Temperature slider takes about 5 seconds before the image updates. Is this normal?
This is with just one Nikon D700 Nef open in ACR, and no other apps running. I've already worked the file up, making adjustments to lens correction, sharpening, noise reduction, and using a couple of adjustment brushes.
If I progressively switch these settings off, the Temperature slider gradually goes back to being reasonably responsive. But I'd like to be able to fine tune the colour after doing these other adjustments.
Any way I can speed it up?
Thanks!
Mac mini 2.7 i7, AMD 6630, 16Gb RAM, 7200rpm 750Gb HD.
Eizo CG275W
Photoshop CS6
ACR 7.1.0.354
Mountain Lion 10.8.1

My dedicated CS6/ACR 7.x system is substantially more underpowered than your Mac Mini, yet I see no such lag in ACR. Dragging the Temperature adjustment slider is practically real-time, with the preview refreshing in a fraction of a second that I can barely see and have no way of measuring.
I'm now running ACR 7.2RC1, but I don't remember seeing a lag in ACR 7.1 either.
My main working machine is a Power Mac (PPC) G5 Quad with 16 GB of RAM, on which 11.0.2 is the last version of Photoshop to run, so I have the Mac-Intel system described below just to run ACR 7.x under Photoshop 13.0.1. I convert my raw files in ACR7.x open them in Ps 13.0.x and save them via Ethernet to an external HD connected to the G5 Quad for further processing in CS4. The Mac-Intel is used for no other purpose and the only other application I occasionally run on said Mac-Intel is TextEdit.
2007, 2GHz MacBook 2,1, Intel Core 2 Duo, 4 GB of RAM (can use 3 GB), 160 GB internal boot disk, dedicated FireWire400 external HD for Ps scratch disk, external Time Machine HD. Snow Leopard 10.6.8.
I literally rescued this MacBook from the trash, where it had landed when my wife was told by local Apple Macgenius staff that it was beyond repair, when in reality all that was wrong with it was a bulging battery exerting upward pressure on the track pad and keyboard. That was easy to replace for $20 or so through Amazon.com.
So, from where I sit, either you have a machine-specific problem somewhere, or the culprit in your issue is Mountain Poop.

Slow internet: Mac Mini - Airport Express - 2Wire modem

I have SBC DSL, which came with a 2Wire wireless modem/router. I then bought an Airport Express and nicely networked a printer and two Windows XP Machine. The trouble started when I bought (ironically) a Mac Mini with a wireless (Airport Extreme?) ethernet card. The Mac has much slower download speeds! We're talking 150 kbps on the Mac, versus ~1 Mbps on the Win XP box.
I'm guessing there is a magic setting on the DSL modem which will help. Any ideas?
Thanks,
Morgan Brown

This problem lies with the Mac mini - there aren't any settings on the DSL modem that will fix this problem. I would start by having an Apple service center confirm the wireless interface in this Mac mini is performing properly (since it is still covered by the warranty).

Slow on Mac mini

I bought this new Mac Mini about a 1 week ago. Running Lion and have 4 megs of ram I have the 2.5 gzherz processor .
I ran Safari on my Win 7 machine and ran pretty good. Ever since I went over to the Mac Mini .. Safari is very, very, slow
and most of the time I give up and go to Google Chrome. Software is up to date. I am on Time Warner Road runner service .
All of my applications are shut down ..
Does anyone

Emptied the Safari cache lately?
Turn off Extensions in Safari / Preferences if you have any installed.
Check for third party plugins > Safari: Unsupported third-party add-ons may cause Safari to unexpectedly quit or have performance issues
Speed Download / Peer Guardian / Little Snitch ... any one or more can cause problems with Safari.
Could be the preferences are corrupted ..
Go to ~/Library/Preferences. Move the com.apple.Safari.plist file from the Preferences folder to the Desktop.
Quit then relaunch Safari to test. If that helped, move the .plist file to the Trash.
~ (Tilde) character represents your Home folder.
For LIon: To find the Home folder in OS X Lion, open the Finder, hold the Option key, and choose Go > Library
Check for Login Items
Open System Preferences/Accounts then select the Login Items tab. Delete any files or apps you have listed there. And go to /Library/Startup Items. Move any files in the Startup Items folder to the Trash.
Try Safari in another user account. Same problems there, then log back into your admin account, launch Disk Utility. /Applications/Utilities
Select MacintoshHD in the panel on the left then select the First Aid tab.
Click: Verify Disk (not Verify Disk Permissions). If the startup disk needs repairing, follow the instructions for Using Disk Utility to verify or repair disks

Xcode 4.0.2 is very slow on Mac Mini

Hi,
I have installed xcode 4.0.2 on my Mac Mini, but it is keeping the system very slow.

I have a Mac Mini 2010 with RAM 4 Gb and the Xcode works very good.
I precisely bought it with 4 Gb thinking in it.
Without more information (RAM, model, year), I can not say you more. ¿cleaning?

Wifi LAN VERY slow on mac mini 10.6.8

All,
I have a mac mini 1.66 intel core Duo with 2gb of RAM. The HD crashed a couple months ago and so it has a clean version of 10.6.8 on it.
In my house I have a Motorola modem (comcast) hooked to a vonage box with wifi. Off this we run 2 MBP's a wifi printer, and the Mini.
Both MBP's will get 10mb down and 3-5mb up on speedtest.net.
The Mini will get .9 down and .7 or so up. It also became non-responsive using VNC to control it, so it's not so much that the internet is slow, but more that it just isn't connecting to the LAN with any speed. It is connected to my router (no security) with a signal/noise of -75/-98 and a transmit rate of 48.
I had shared my Dish Network box out via ethernet (airport sharing to ethernet) and had done the terminal prompt fix which is found all over the net to allow DHCP on internet sharing. However, it doesn't matter if I turn off internet sharing, the local speeds are still just terribly slow.
This is a big problem since it's used as our media center for streaming netflix, etc...
Any help? Where to start?
Thanks,

If reinstalling doesn't help, you'll probably need to contact Macroplant support:
http://www.macroplant.com/contact.php
Regards.

Slow performance (mac min )

I bought a mac mini (i5 ) a month ago and i am afraid that i am quite disapointed by the mac mini. It works fine for 15 minutes, but after that, it becoms very slow. i hope there is a fix for this.

Hello,
Hello, see how many of these you can answer...
See if the Disk is issuing any S.M.A.R.T errors in Disk Utility...
http://support.apple.com/kb/PH7029
Open Activity Monitor in Applications>Utilities, select All Processes & sort on CPU%, any indications there?
How much RAM & free space do you have also, click on the Memory & Disk Usage Tabs.
Open Console in Utilities & see if there are any clues or repeating messages when this happens.
In the Memory tab of Activity Monitor, are there a lot of Pageouts?

How do I slow my mac mini (2007)'s 5501 rpm fans

Hi, I have a old 2007 mac mini that I recently had taken to best buy to upgrade the ram, after the upgrade it is always loud and Istat says that the fan is at ~5500 RPM and another mac (which is silent) says only 1800 rpm under the same (and higher) workload. the loud mac has temperature of (according to Istat):
hard drive:81 degrees F
CPU: 94 F
CPU Heatsink: 83 F
Northbridge 1: 85 F
Northbridge 2: 81 F
the computer is cool to the touch
Please help me slow down the overactive fan on this mac, ~patrick

I have no idea if they removed, damaged or just forgot to plug the sensor back in. You really should take it back and make whomever worked on it fix the problem.
If you want to look at the teardown yourself, see > Mac Mini Repair - iFixit
Also if you do not feel comfortable with the service you received at BestBuy, report them to Apple and take it to another Authorized Apple Service Provider or Apple Store.

Slow 2012 mac mini

What's typically behind the slowing of a Mac Mini?

First, back up all data immediately, as your boot drive might be failing.
Step 1
This diagnostic procedure will query the system log for messages that may indicate a hardware fault. It changes nothing, and therefore will not, in itself, solve your problem.
If you have more than one user account, these instructions must be carried out as an administrator. I've tested them only with the Safari web browser. If you use another browser, they may not work as described.
Triple-click anywhere in the line below on this page to select it:
syslog -k Sender kernel -k Message CReq 'Channel t|GPU D|I/O|nspace-h|n Cause: -' | tail | open -ef
Copy the selected text to the Clipboard (command-C).
Launch the Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.
Paste into the Terminal window (command-V).
The command may take a noticeable amount of time to run. Wait for a new line ending in a dollar sign (“$”) to appear.
A TextEdit window will open with the output of the command. Normally the command will produce no output, and the window will be empty. If the TextEdit window (not the Terminal window) has anything in it, stop here and post it — the text, please, not a screenshot. The title of the TextEdit window doesn't matter, and you don't need to post that.
Step 2
There are a few other possible causes of generalized slow performance that you can rule out easily.
Reset the System Management Controller.
If you have many image or video files on the Desktop with preview icons, move them to another folder.
If applicable, uncheck all boxes in the iCloud preference pane.
Disconnect all non-essential wired peripherals and remove aftermarket expansion cards, if any.
Check your keychains in Keychain Access for excessively duplicated items.
Boot into Recovery mode, launch Disk Utility, and run Repair Disk.
If you're booting from an aftermarket SSD, see whether there's a firmware update for it.
If you have a MacBook Pro with dual graphics, disable automatic graphics switching in the Energy Saverpreference pane for better performance at the cost of shorter battery life.
Step 3
When you notice the problem, launch the Activity Monitor application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Activity Monitor in the icon grid.
Select the CPU tab of the Activity Monitor window.
Select All Processes from the menu in the toolbar, if not already selected.
Click the heading of the % CPU column in the process table to sort the entries by CPU usage. You may have to click it twice to get the highest value at the top. What is it, and what is the process? Also post the values for % User, % System, and % Idle at the bottom of the window.
Select the System Memory tab. What values are shown in the bottom part of the window for Page outs and Swap used?
Next, select the Disk Activity tab. Post the approximate values shown for Reads in/sec and Writes out/sec (not Reads in and Writes out.)
Step 4
If you have more than one user account, you must be logged in as an administrator to carry out this step.
Launch the Console application in the same way you launched Activity Monitor. Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left. If you don't see that menu, select
View ▹ Show Log List
from the menu bar.
Select the 50 or so most recent entries in the log. Copy them to the Clipboard (command-C). Paste into a reply to this message (command-V). You're looking for entries at the end of the log, not at the beginning.
When posting a log extract, be selective. Don't post more than is requested.
Please do not indiscriminately dump thousands of lines from the log into this discussion.
Important: Some personal information, such as your name, may appear in the log. Anonymize before posting. That should be easy to do if your extract is not too long.

Why is Excel so slow on Mac Mini?

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