Parallels For Mac Very Slow



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  1. Parallels Desktop was slow; but it was still, in my opinion, the best and easiest way to run Windows and Windows apps on a Mac without having to constantly reboot the machine. 4.5 out of 5 The current version – Parallels Desktop 14 – is by far – the best version of the virtualization environment yet.
  2. I have very slow performance with the new parallels pro and new clean installation of win 10 pro 64 bit. Mac pro retina 15' 2015, 16 ram, 256 ssd.

Parallels Desktop for Mac Standard Edition; Parallels Desktop for Mac Pro Edition. It is also very important to allocate even shares of hardware resources between host operating system (macOS) and guest (VM) according to the recommended system requirements of both systems. The backup process may slow down overall system performance.

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Windows On Mac :: Running AudioSurf In Parallels (Incredibly Slow)

Aug 12, 2008

My 8 gigs of RAM came today! Now I have 10 gigs in my Mac Pro. The first thing I wanted to do was to play a game in Parallels under Windows XP (32 bit, for now). However, upon booting into XP in Parallels and running the game, half the graphics are not displaying (very choppy) and I can hardly even move my mouse it's so slow. I right clicked My Computer and hit properties and it showed only 512 megs of RAM being used. I went into Parallels settings and changed Memory Allocation from automatic to custom and cut the RAM in half by moving the slider to the middle (4~5 gigs for Windows and 4~5 for Leopard, which is fine), rebooted the Virtual Machine and it still showed 512 megabytes, and the game was still slow. I know that my system recognizes the RAM because in About This Mac it shows 10 gigs.

Windows On Mac :: Should Parallels 5 Be Running In 64-bit?

May 8, 2010

It appears to be running in 32-bit. Does it just support 64-bit guest OS's, or should it be running in 64-bit itself?

Mac Pro :: Owners Running Windows On Parallels

Oct 8, 2010

If I could I would get rid of everything related to Microsoft but unfortunately I need to use Windows applications for my work. Specifically, Autocad Civil 3D, Revit Architecture and a bunch of structural engineering programs. I have tried running these applications on Parallels on Mac systems such as MacBook Pro Mid 2009 (2.93 C2D, 4gb ram) but was not satisfied with the performance. Autocad was lagging even when working in 2D. I don't even have to talk about Revit... I never had the opportunity to test this on more powerful systems and this is where I need your advice. Is it possible for the Mac Pro to run these applications on Parallels seamlessly? That is, as if you were running Windows on a PC? What is more important CPU, RAM, GPU? To catch up with a few possible comments, a) I don't want to run Windows via bootcamp, b) I am aware that Autacad is coming to Mac OS but I need the extra features of Civil 3D and Revit.

Windows On Mac :: Running Win7 64-bit With Parallels 4.0

Nov 11, 2009

I received parallels 4.0 as a gift 2 months ago and did not install the software. But now, as win7 is out, I am really interested to get it installed, but is it recommended to run Win7 (64-bit) on Parallels 4.0 and not the latest version of Parallels? Sadly, I could not get it exchanged for parallels 5.0 in my local stores. Will it crash or lag my macbook pro? My system is 2.66GHz and 320GB, bought in oct 2009 mbp.

Windows On Mac :: Lots Of Lag Running Parallels / How To Run Smooth

Aug 19, 2009

I am running windows 7 on via parallels on my mac book pro with 2.26GHz and 2GB of memory and when I am running 7 the same time as leopard i get a lot of lag does anyone know why ?

Windows On Mac :: Running Dos With Parallels Or VMware On MacBook Pro

Jan 13, 2010

I am having a very hard time installing doss 6.22 on my Mac. Why would I want too? Well cause of work, we have some a lot of old data at work that was collected over the years using dos programs and I need to go threw it and pull out what I need, when I need it. So having it on my laptop would be great. I have tried both Parallels & VMware with no luck. I can't get them to realize that I have a floppy drive, it's a usb floppy drive. I have 6gig of memory running snow lepoard. I have been thinking of trying the Sun Microsystem software but thought I would ask here first.

MacBook Pro :: Use Current Windows 7 Key On New Running Parallels?

May 7, 2010

I am planning on installing Windows 7 on my new macbook pro. have a windows vista install cd and then a windows 7 pro upgrade dvd. If i install it on my new mac will it automatically block my laptop??? i have searched online and there are conflicting responses to this? Do i need to uninstall it? is it automatic?

Windows On Mac :: Running Parallels And Using BootCamp Partition

Aug 17, 2010

I have installed Windows 7 using bootcamp with no problems. I now want to use parallel so I can do some things in windows without restarting. I don't want to get rid of the bootcamp install though since I do gaming through it. Now that I've installed Parallel it's asking if I want to use the bootcamp partition in the virtual machine? Do I? I don't really understand.

Windows On Mac :: Running Boot Camp Vista Through Parallels?

Jun 21, 2009

I'm trying to run Boot Camp Vista through Parallels but i don't know how to set it up and can't find a guide anywhere. There's one in the settings but that skips over the most complicated bits. Anybody know of a guide for doing this or know how to do this?

Applications :: Running Windows 7 With Boot Camp And Parallels 5.0

May 13, 2010

I finally made the switch from PC to Mac buy selling my HP laptop and desktop computers and buying the new MacBook Pro. However, I have licenses for Creative Suite 4 for Windows and still need to run it on my Mac using Boot Camp and/or Parallels until I can afford to jump to CS5 for Mac (this MBP took a big chunk of my cash). I'd like to run Windows using Boot Camp AND Parallels - Boot Camp when I need all system resources and Parallels when I need to hop over to Windows to type a Word document or something quick (got Office 2007 for Windows too).
Can I use both Boot Camp and Parallels with one serial number for Windows 7? If so, how do I install? Would I install Windows on Boot Camp or Parallels first? If anyone has some guidance for installing one copy of Windows 7 on both applications

OS X V10.7 Lion :: Use Parallels To Create A Virtual PC Running Windows 7?

Mar 13, 2012

I use Parallels to create a virtual PC running Windows 7. I have installed Office 2010 on the PC side and Office 2011 on the Mac. All VBA works fine on the PC side, but bombs on the Mac. It was my understanding (directly from Apple) that with the release of Office 2011 for the Mac that all code was now conforming with the PC version. This is probably true for new code written under Office 2010 (PC), however, most all of my applications have been developed over time through many versions of Windows based software (probably the last 10 years)…to date I have never had an issue with compatibility (on the Windows side). I have done some online research into the errors that I receive, however I am really an novice/intermediate programmer and am unable to find adequate solutions to the initial problems (as shown below).
Once I receive the run-time error 1004 I use the debug feature, etc. and end with 'Can't find project or library. The initial error is probably just the beginning, but I am unable to go forward from this point.
Info:
MacBook Pro, Mac OS X (10.5.8)

Windows On Mac :: Parallels Video Display Slow (Rhino 3d Modeling)?

Oct 9, 2009

My very new and up-to-date parallels/xppro virtual machine is very very slow with my 3d modeling software (rhinoceros). It didn't used to be this way!

OS X :: IMac Running Slow - Top Left Buttons In Windows Grayed Out

Dec 3, 2010

I started using my iMac today (not this gen the last gen) and it was fine yesterday but today it has been extremely slow. Its only a year old and now its suddenly taking 30 seconds to open up Finder and Mail and Chrome take a long time to start up. Also I noticed that the 3 buttons (red, orange, and green) at the top left of every window are grayed out.

Mac :: Not Working Due To Running Out Of Physical RAM Running Parallels

Dec 25, 2009

This is the first time I've tried OWC memory. So far, so good - the Mac recognizes the RAM and boots okay. Everything I've tried thus far post-upgrade works. I am a happy camper now - my Mac was a bit sluggish due to running out of physical RAM running Parallels.

Mac :: Downloaded The Latest Update To Parallels - Shut Down Parallels Before Running Update?

Jan 20, 2009

I just downloaded the latest update to Parallels. I shut down Parallels before running the update, and I even did a reboot of the computer.And yet every time I run the update program it keeps telling me to 'shut down these running and suspended virtual machines' and refers to 'My Boot Camp'Like I said, I rebooted the computer first. There are no virtual machines running. Zero, zilch, nada. So why in the ******* is Parallels telling me that there is? 'My Boot Camp' isn't even a VM that I use

Windows On Mac :: Parallels 3 To Parallels 4 - Data Stays Intact?

Aug 29, 2009

I have Parallels 3 installed, mostly to run MS Money. Last night I installed Snow Leopard, unaware that Parallels 3 is not compatible. It appears that I need to go out and buy Parallels 4 as that will work with Snow Leopard.
My question is will all my data within Windows remain if I install 4 or will it be a completely new Windows? And if so, how do I go in and retrieve my MS Money data as I can no longer access it with Parallels 3.

MacBook Pro :: Running So Slow On Startup And Apps Are Very Slow To Open Like Around 5 Minutes

Aug 24, 2014

I have this MBP 13' Mac OS X 10.7.5 running a 2.4GHz i5, 4GB RAMs and 500GB storage.The problem started yesterday when I was typing on Word and I copy pasted something from the net (chrome browser) then it froze.I waited for around 5minutes and still frozen with the spinning wheel, then I decided to turn it off by pressing power for 10 seconds restarted my
MBP then now it running so slow on start-up and apps are very slow to open like around 5 minutes. Every action that I try to do like clicking on the apple in the upper left it freezes showing a spinning wheel and it will take time to show the drop down options. I checked disk utility and it said that HD is ok, done verify/permission verify and repair.
I checked the activity monitor noting the ram/CPU usage and its normal it even tells that 2GB of ram is not use.It shows not responding in the activity monitor if you open an app for around 5mins then it opens or it will crash.I already done the 2 kinds of reset and did not work.BUT it opens normally in Safe mode.
Info:
MacBook Pro, Mac OS X (10.7.5)

Intel Mac :: Slow Running - Steps For Making It Smoothly Running?

Mar 21, 2012

my 4 year old IMac 2.4ghz intel core 2 duo with 2gb running 10.7.3 has been running really slow since I installed photoshop CS4 and upgraded to lion ( I have 137gb of free space on hard drive) I mean it wont quit out of photoshop I always have to do a force quit and most applications run really slow. Do I need a new computer , what should I go for to have a smooth running mac?Was thinking of a new IMac 27-inch: 2.7GHz with 4gb memory.
Info:
iMac (20-inch Mid 2007), Mac OS X (10.7.3)

OS X :: How To Get Parallels Running

Parallels For Mac Very Slow

Sep 30, 2009

I just bought a new iMac last night, I am finally leaving the PC world. I need to install a OS for parallels since I have alot of PC programs I need to run. I have ran thru the paralells set up and installed a windows xp sp1 home edition cd when prompted but it will not load properly. The XP install disc is a disk I got with an older Dell laptop. And it says for distribution with Dell computers only. I starts to load, I input my activation code and it starts to install.
The first few times it got hung up saying that it is installing and will take 39 minutes to complete but just sat there for hours. Now its missing some line of code. O well I have to get a new copy of XP I guess. Here is the issue, I must have XP with nothing new then SP2. When I run sp3 my CAD program (softplan) cannot print to scale. They said its a problem with sp3 and I would have to upgrade V14 to fix this issue. Can anyone tell me if it is possible to get this current XP sp1 to load, or can I get an XP sp2. Everything I find is preloaded sp3.

Mac Pro :: Running Win App Via Parallels

Jul 24, 2010

Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_0_1 like Mac OS X; en-us) AppleWebKit/532.9 (KHTML, like Gecko) Mobile/8A306) I am waiting to purchase a new Mac Pro, when I do, I still need to run some win apps (non games via Parallels). What impacts to the speed of these would one likely see? I plan to spec my new MP with the fastest single chip processor, fastest CPU, and at least 8 gigs ram. Config advice also welcome.

OS X :: Running Parallels After BootCamp?

Jun 29, 2009

I just installed bootcamp on my machine. I didn't think I would need to run both osx and xp at the same time but parallels is looking good to me right now. Since I already installed xp via boot camp, can I just download parallels from their site and be able to run both OS's at the same time, I could not find this information on their site.

OS X :: Can't Browse - Parallels Running XP

Sep 4, 2009

Ever since I upgraded to 10.6 (clean install from Leopard), Ive noticed a strange but irritating issue here, it happens with several sites but here is an example:
MBP: Safari and Firefox: I cannot browse to [URL:...]
MBP: Parallels running XP: no problems going to [URL:..]
ok.. my old XP laptop as a last resort: no problems at all.
So what could be happening here, and what could I do about it. Tried rebooting my Macbook Pro 15' and AEBS and ADSL router.

Why Is Macbook Pro Running So Slow And So Slow To Reboot

Jun 6, 2012

I edit using Lightroom and Photoshop and I'm having an issue while editing. After editing around 8-10 photos in Photoshop the computer starts running unbelievably slow. After each 8-10 photos I have to close down everything and reboot. Even the reboot process is super slow as I have to force quit each application usually 1-2 times to get it to close. Is this normal? I have a 2011 17' with 2.2 GHZ i7 with 8GB ram. Is there any setting that I can change or be aware of.
Info:
MacBookPro, Mac OS X (10.7.2)

MacBook Pro :: 13' Running Parallels?

Nov 21, 2010

have a 13' MBP running parallels? What version windows are you running? Does it slow the MBP down? How much real estate does it take up?

OS X :: How To Uninstall Ubuntu Running Via Parallels 4.0

Parallels for mac running slowForApr 26, 2009

How do I uninstall ubuntu running trough virtual machine on my macbook. I wanna get rid of it but don't really know what to delete? is there uninstall app or something. I tried with my fried google but couldn't find anything.

MacBook Pro :: Running Both Parallels And BootCamp?

Jul 11, 2009

Do I have to install a Windows 7/RC build on Bootcamp before I can use it with Parallels? Or if I already have it on bootcamp, I have to install it all over again with Parallels? And I was thinking of only having RC as my secondary OS until my Windows 7 disc comes. When that happens, do I just delete all my RC stuff from bootcamp to make room for Windows 7? I'd also lose all my documents and whatnot right since I can't upgrade to Windows 7 from an RC.

IMac :: ITunes Not Play CD When Parallels Running

Dec 4, 2010

I have a Late 2009 27' iMac. I'm running Parallels so I can use ACAD LT 2010. If I load a music CD without Parallels running, no problem: it loads and plays fine. As soon as I start Parallels (with Win XP Pro) the CD contents disappear from iTunes and a couple mp3's are all I get (listed from the XP side of things I guess...) I have checked the obvious things. The CD drive is set to share. Beyond that, I really can't come up with anything in my pocking around with settings.

OS X :: Running Parallels And Boot Camp And XP Installation

Mar 20, 2009

I have one program that I will have to run in boot camp. The rest of the time, I would like to run in Parallels. Will I have to install XP twice to do this and thus take up more hard drive?

Applications :: Parallels 5 Extremely Slow To Launch

Nov 16, 2009

Parallels 5 on 10.6.2 has been extremely slow to launch for me. The icon will bounce in the dock for about minute, then hang for another a minute or two, then finally launch. Tried reinstalling, repairing permissions, etc. However, it seems that disabling the spotlight fixes the issue, so it's apparently related to that...but I don't want to have to disable spotlight.

We've got a few reasons and fixes.

How to speed up a slow Mac

All Macs begin to slow down with age — MacBook Pro, iMac, it doesn’t matter. But don’t worry, there are many performance tips for you to fix it up. We’ve found the best ways on how to make your Mac faster. Some work better than others (depending on your Mac) but we’ll show you all of them and you can decide for yourself how to make your slow Mac faster.

1. Your hard drive is getting full

Nothing slows down a Mac more than having too much on your hard drive. If you can lighten the load on your Mac, you’re sure to see an increase in speed.

How to fix it: Clean up your hard drive

Unfortunately, this isn’t as easy as it sounds. Cleaning up old movie files, organizing your Desktop, and searching your Mac for old files you don’t need is the easy part. However, the hard part is cleaning up your system, and figuring out all the stuff that can be safely removed for more space. The best option is to use a Mac cleanup tool, like CleanMyMac X. It cleans up your entire Mac, the easy stuff and the hard stuff. It knows what to clean and where to clean, and is incredibly safe to use. It removes caches, logs, language packs, and more to help you speed up your Mac — Click here to download it free!

2. Outdated macOS

Your Mac’s OS X is extremely important to how it performs. An older OS X typically runs slower — that’s why Apple releases new OS X’s every year or so.

How to fix it: Update your macOS.

Having the latest version of macOS is good practice (the latest version right now is macOS Mojave 10.14). Don’t think of it as adding more junk to your already slow Mac — think of it as new software that makes your Mac run more smoothly. So, update your Mac’s OS X to help speed up your Mac. Head to the Mac App Store and search for “macOS Mojave”. Install it and you’ll probably see a nice performance boost.

If for some reason your Mac is running slow after macOS Mojave update, don’t panic. It could happen that disk permissions are broken. You can repair them with CleanMyMac X. Download the app and go to Maintenance tab, click “Repair Disk Permissions”.

3. Startup is slowing you down

When you start your Mac, a lot of things load up in the background. Not only do they slow down your startup, but they continue to do so the whole time you’re on your Mac.

How to fix it: Manage your Startup Items

Give your Mac a clean start and make OS X run faster. When you don’t manage your Startup Items, it’s like making your Mac run a sprint with a gigantic, book-filled backpack — it’s going to take a bit longer for it to get moving, right? Lighten the load on your Mac.

You can do all routine action we'll discuss below yourself or just download CleanMyMac and get faster Mac in a couple of minutes.

Get a fast Mac startup by removing unnecessary apps. Go to your System Preferences > Users & Groups, and then click on your username. Now, click on Login Items, click on the name of an application you don't need to launch during startup, and then click the '-' symbol located below the list to the left; this will remove the application from the list — the fewer applications on the list, the better. This should help out a ton with speeding up your slow Mac.

4. Too much running in the background

This kind of piggy-backs Reason 3. When you’ve got too much running in the background, your Mac can’t even handle simple tasks.

How to fix it: End processes with Activity Monitor

Activity Monitor will show you what processes are using up your system resources. Quitting an app that’s taking up a lot of processing power could make a huge difference in speeding up your slow Mac. Open up your Applications folder and then your Utilities folder. Here you’ll find the Activity Monitor, open it. Check out the list of apps and processes that happening on your Mac in real-time. Pretty complex, eh?

From here you can see what’s causing trouble with your Mac. Click on the Memory tab at the top, then the Memory filter at the top of the list; this sorts the programs by the amount of space they’re taking up on your Mac RAM. The higher the number, the more power they need. Stop an app from operating by clicking on the app in the list and then clicking the gray “x” icon located at the top-left corner of the window. Don’t remove anything you don’t know!

5. You’ve got old hardware

Sadly, your Mac may just be too old to fix. When your Mac hardware gets too old, your speed drops drastically and you can do little to fix it without taking some serious measures.

How to fix it: Upgrade your hardware

You’ve done all the stuff above and your Mac is still running slowly. It’s time to look into upgrading your hardware. Unfortunately, this can be a bit pricey and some Macs are beyond help (kidding… some just can’t be upgraded).

The most straightforward way is to replace your current hard drive with an SSD disk. You should shoot for at least 240-256 GB of storage space. You will need to open bottom case of your MacBook and replace it with the newly-bought SSD drive.

Additionally, look into buying more RAM. Something around 4 GB is no longer enough by 2019 standards. You can buy China-produced 8 GB RAM card for around $30. If your MacBook originally had 4 GB of RAM, this should make it 12 GB in total which is a pretty solid amount nowadays.

6. Cluttered desktop

If you use your desktop as a file dump, it’s high time for a cleanup. Not many people know this, but every desktop icon is, in fact, a little active window that your macOS has to render and process. If there are myriads of icons, no wonder your Mac is slow.

How to fix it: Plow through your desktop items

To make your Mac run faster, organize files on your desktop into separate folders. Then, you can move them to other location. Never hesitate to send to Trash things you rarely use, like apps you had downloaded months ago. Cleaning the desktop isn’t the funniest job in the world, but it does pay off in terms of adding speed to your Mac.

7. Browser is full of junk

Most of us use our Macs online 90% of the time. In other words, if your browser is slow, your Mac will be slow too. Even the fastest machine can be dragged down by hundreds of opened tabs and extensions.


How to fix it: Remove extensions to make your Mac run faster

Hidden add-ons, plug-ins, and extensions often come disguised as a free software. You download something and the next moment see weird search bars, pop-ups, and torrents of advertisements on your screen. Of course, there are perfectly legit extensions that extend what your browser can do, but every extension weighs on your Mac’s speed. And lastly, such tools may stealthily collect your data.

How to remove Chrome extensions manually

  1. Launch Chrome.
  2. Click a three-dot icon in the top-right corner.
  3. Click More tools > Extensions.

Then you’ll have a nice overview of all Chrome add-ons you have installed. You can either disable extensions or delete them completely, which is preferable especially when you don’t recognize what it is.

How to remove Safari extensions manually

  1. Launch Safari.
  2. Click Safari > Preferences in the upper menu
  3. Choose Extensions tab.
  4. Remove the extensions you don’t need

The rule of 9 tabs:


To make your Mac run faster while in browser, minimize the number of opened tabs. Many IT consultants recommend to always have no more than 9 opened tabs at a time. This way you don’t overload the browser and the title for each tab is perfectly visible.

8. Lots of outdated cache files

Cache files come in many flavors: system cache, user cache, app-generated caches and more. User caches (tied to your user account) make up for about 70% of junk on your Mac. Manual deletion method involves a bit of clicking and typing. So here you are.

How to fix it: Trim down caches on your slow Mac

  1. Open Finder and click “Go to Folder” in the Go menu.
  2. Type in ~/Library/Caches and press Enter
  3. Locate a cache folder tree
  4. Go into each folder and delete its contents
  5. Empty the Trash bin

Note: It’s not recommended to remove the folders themselves, but only their insides.

Now it is time to delete System caches. The path is the same but this time you should type in:

/Library/Caches (without a ~ tilde sign)

Once again, the method is the same: you locate the main cache folder and drill down into its sub-folders removing all the content stored there. Before you start, you can preemptively back up the Caches folder as meddling with cache folders can be risky. For a bulletproof solution, you can clean out caches with CleanMyMac X - it was made just for this purpose, though has lots of other uses. Download CleanMyMac for free, install it and click Smart Cleanup. Follow the prompts from there and all system caches will be safely removed.

The lesser-known trick to fix Mac running slow

If you followed the tip from the previous section and downloaded CleanMyMac, you should be able to perform another trick which proved quite effective on most Macs. From our experience, it does boost up the performance of many applications.

  1. Launch CleanMyMac
  2. Click Maintenance tab
  3. Tick “Run Maintenance Scripts”

Running this command helps to “polish up” the performance of the deep-level system services. What it does is rebuilds system logs and reorganizes select databases on your Mac. Try it and see how your Mac is doing.
In the same app, there are also controls for your “Hung Applications” and “Heavy Memory Consumers” — use them to disable your biggest memory hoggers.

9.Your user profile grew out of proportion

All your user files and applications may over time become a heavy burden for your macOS. This is tied to your user account. It simply contains contains too much caches, cross-links, user logs — more than your Mac can chew.

How to fix it: Give yourself a “profile refresh”

Though it sounds a bit radical, you can activate a new user profile. It is absolutely safe and is a bit like starting a new life. You will have to copy all the needed app files such as Preferences to the new user. As a result, your Mac may become much snappier.

To create a new user:

  • Click on the Apple logo
  • Go to System Preferences > Users & Groups
  • Click the Unlock icon
  • Now, click “+” to add another user

To transfer your important files from one account to another, you need to drop them into the Shared folder which is found on your hard drive. To find it, click on a Finder window, then navigate to Go > Computer > Macintosh HD > Users. Voila, you’ve found the Shared folder!

10. Visual overload

Animations and rich graphics are extremely resource-hungry. We are not suggesting you should switch your Mac back to 1984-style simplicity. But in case of a slow Mac, the less is sometimes more.

How to fix it: Cut down on animations

Open System Preferences > Dock

Disable the following items by unticking:

  • Magnification
  • Animate opening applications
  • Automatically hide and show the Dock

Click on Minimize windows using and change Genie effect to Scale. Scale is a much simpler zoom and less taxing on memory.

11. SMC-settings are corrupted

SMC stands for System Management Controller and manages a whole range of low-level functions of your Mac: fans, lights, power, system volume, and other parameters. Quite often SMC preferences get broken and your Mac gets slow.

How to fix it: Reset SMC to factory settings

If your Mac’s battery is removable:

  1. Turn off your Mac.
  2. Take out the battery.
  3. Press and hold the Power button for a few seconds.
  4. Reinstall the battery.
  5. Press the Power button and start your Mac in a normal fashion.

For non-removable batteries:

  1. Shut down the Mac.
  2. Press Shift + Control + Option keys and the Power button simultaneously.
  3. Hold down these keys for 10 seconds.
  4. Let go of the keys.
  5. Press the Power button to start your Mac.

How to reset SMC on iMac, Mac Pro and Mac Mini

  1. Shut down your Mac.
  2. Unplug a power cord.
  3. Wait for about 15 seconds.
  4. Plug the power cord back in.
  5. Wait a few seconds and turn on your Mac using the Power button.

12. You are out of free RAM

RAM stands for Random Access Memory. This memory is like a fuel for all your apps. That is the reason you often get “Your system is out application memory” message. One solution is to physically upgrade your RAM — a good idea if you have no more than 4 GB of RAM. But that is a time-consuming operation that will cost you around a hundred bucks. Luckily, there is a shortcut.

How to fix it: Flush your RAM using Terminal

You can perform this operation if your system urgently needs a fresh memory. This is often the case with media converters and video editors that consume all the RAM they can get. A native macOS tool, Terminal has a special command to release your available RAM.

Go to Applications > Terminal
Now copy-paste the following command into the Terminal window:
sudo purge
Enter your user password to confirm.
Hopefully, you’ll immediately see the results.

TIP:

A safer option, though, is to free up RAM using CleanMyMac X’s Menu App. This service app shows you how heavily is your RAM loaded and helps your free it up with just one button click.

13. Slow keyboard response

An often-reported lag that could seriously alter your productivity. Sometimes, when you type, your keyboard would freeze for a fraction of a second. This lag usually affects Notes app as well as Chrome. The issue is reportedly caused by outdated system caches that are responsible for keyboard performance.

Parallels For Mac Review

How to fix it: Start your Mac in the Safe mode

  1. Shut down your computer
  2. Restart your Mac
  3. Hold down the Shift key
  4. Let go of the key when the login window appears
  5. You’re in the Safe mode — take a note of your keyboard’s response
  6. Restart your Mac in a normal way

Entering the Safe mode erases lots of unneeded caches and repairs some software paths inside your macOS. Your Mac should perform better if you’ve followed the steps correctly.

14. Your Mac wakes up slowly

If you don’t use your Mac for a while, it will eventually succumb into a standby mode to save some energy. Just as with humans, some Macs are more difficult to wake up than others — no matter what keys you are pressing your screen is still black.

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How to fix it: Try a special Terminal hack

Normally, the standby mode activates after a 3 hours of no operation. You can prolong this time by using a command in the Terminal. What it does is change the standby threshold to 24 hours so your Mac takes a quick nap rather falls into a deep sleep.

Open the Terminal application
Paste in the following command
sudo pmset -a standbydelay 86400
Enter your system password

In order to reverse it, you will need to change the number in the above command to 10800. Bookmark this article so you don’t forget!

15. Broken or conflicting permissions

Files on your Mac OS X have permissions that determine which applications and services are allowed to access these files. Over time, permission problems occur, causing your Mac OS X to lag, freeze and even crash.

How to fix it: Repair disk permissions

macOS is able to address broken and conflicting permissions via the Disk Utility application (Applications/Utilities). Once in Disk Utility you need to highlight your startup disk and click on the First Aid tab. Now click on the Repair Disk Permissions button and your Mac will scour your drive, finding and fixing permissions so that next time an application needs that file, your Mac can find it immediately.

Note: Users with El Capitan OS X will notice that this option is not available anymore. This is because Apple have added SIP (System Integrity Protection), which automatically repairs disk permissions. However, not all apps receive these automatic repairs.

CleanMyMac X is able to repair all disk permissions thanks to its Maintenance Module. With CleanMyMac X you also gain the ability to run other powerful scripts that will optimize your Mac in a number of other areas as well.

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To fix broken and conflicting permissions with CleanMyMac:

  • Download CleanMyMac X — a link to a free edition of the app
  • Click Maintenance tab > Choose Repair Disk Permissions

The utility will automatically take care of the rest. Fixing conflicting and broken permissions doesn’t get any easier than with CleanMyMac X.

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16. Piles of large and old files

There are two places that usually become “data dumps” on anybody’s Mac. That’s Downloads and Trash folders. As an outcome, your drive space shrinks and performance drops.

How to fix it: Clean up Downloads and Trash folders

Right click on Trash bin and choose Empty the Trash. Now, go to your Downloads and sort files by size. There you’ll probably encounter things you hardly remember downloading, like old movies or photo albums.

  • Search for .DMG files in Downloads
  • Move your media files to iCloud
  • Transfer data to an external drive
  • Remove duplicate files and folders

The good solution to remove duplicate content is an app called Gemini 2. It can tell copies from originals and even locate look-alike files (not exactly identical). Give it a spin — the download is free.

17. Too many open windows

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If you didn’t know, the Finder is very memory-demanding. Unlike Windows, windows in Finder often overlap and go into the background. This is true for Preview, Mail, and many other apps. So you’re faced with dozens of open windows without even knowing where they are located.

How to fix it: Click “Merge All Windows”

This lesser-known trick has been hiding in plain sight and will soon become your best weapon against windows overload. “Merge All Windows” works for Finder as well as Preview. You can find it inside Window menu in the upper bar.

  • Click Finder
  • Click Window
  • Click “Merge All Windows”

See what happened? All your scattered windows now joined together in one. From there you can close them one by one thus saving your precious memory resources.

18. Your photo library is too heavy

How many gigabytes of photos are there on your drive? 5 GB, 10 GB, have any idea? That’s exactly the point. We seldom bother to check how much photos we have collected over the years. In any case, there will be more than you expect. This results in a lagging computer because your hard drive space is quickly vanishing.

How to fix it: Move your pics to an external drive

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Not only does this get you a few gigabytes of extra space, it also motivates you to put your photo library in order. Better late than never. You may transfer your photo library to Google Drive or DropBox, or move it to a separate storage. How to do it:

  1. Quit Photos
  2. Go the external drive in the Finder to choose a new storage place
  3. In a new Finder window, locate your current Photos library.

It is usually located in Users > [username] > Pictures

4. Drag and drop your library to its new destination

After you library is copied and you’ve checked that it opens from the new destination you may delete your current library to save disk space.

Final thoughts on how to fix Mac running slow

So we have run over the main methods to speed up a slow Mac. They all boil down to one simple idea: give your Mac some space to breathe. Eventually, any Mac is going to fill up with all kinds of garbage that's consuming resources, memory and disk space. You can speed up your Mac either manually or use an app like CleanMyMac (which does 80% of things we’ve described in this article). More realistically, you will devise your own mix of automatic and manual solutions that will bring your Mac back to speed again.

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