Macbook Pro recently started lagging

I got my Macbook Pro 15" i7 in Sept 2010 and its been fine until this past week when all of a sudden I noticed that while scrolling through webpages and applications the graphics were not smooth as they use to be and would scroll in chopped segments instead of a constant flow. Also, when I use spacebar to preview items, the animation of the preview expanding is choppy and not smooth. As of now, my mac seems like its getting worse; it lags when I have a few applications running and sometimes the trackpad takes a while to respond.
I tried scanning the mac for any viruses, found that there was malware and removed it but the problems still existed. I repaired my hard disk after realizing that it was damaged, reinstalled Lion and still there are lag issues.
Any ideas what else could possibly cause this problem?

My mid-2010 2.4ghz core 2 duo MacBook Pro with Lion installed started to have similiar issues. It slows down and lags to the point where it takes a couple minutes to catch up. I build websites so have an FTP, Dreamweaver, and Photoshop all open ,and thats when it usually starts the lag. Im outside of my warranty so I'm not able to get any hellp. Wish I could find a fix.

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My MacBook Pro recently started making a loud whirring/chainsaw noise from the middle of keyboard area. When I put the laptop sleep, the sound eventually fades, but it will start up again once the laptop is up and running. I'm 17 and broke, HELP ME PLEASE

I really don't know what to do, my laptop is my lifeline with school and college, I can't have a serious problem with it right now, any advice?

15" = 2 fans, left & right. HDD in lower-right corner. See here for component placement (click on appropriate model, choose the fan guides): http://www.ifixit.com/Device/MacBook_Pro_15%22
Replacement fan: $60 + shipping. 13 screws altogether.
Determine which one with Old Mechanic's Trick: get a solid metal rod of adequate length 3/16"-1/4" dia., place one end against the bony area next to your good ear and move the other end against different spots on the Mac's body to determine exactly where the noise comes from.
Or replace both to be safe.
99% sure it is a fan.
P.S.: Must Replace Bad Fan. If it fails, MBP can overheat and get permanently damaged. Not User Serviceable.

My MacBook Pro just started to run very slow, what can I do to fix it?

My MacBook Pro just started to run very slow, what can I do to fix it?

First, back up all data immediately, as your boot drive might be failing.
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.
Otherwise, take the steps below when you notice the slowdown.
Step 1
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 2
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.

My macbook pro has started running slowly! Any ideas?

My macbook pro has started running slowly. Particularly the internet (firefox and safari). I have tried repairing the disk / verifying the disk and the permissions via Disk Utility, and have also tried uninstalling and re-installing firefox, and updating the software (all up to date). None of this has helped.
The old Dell laptop we have is running faster than my mac!
I also have Parallels Desktop Installed with Windows 7, although this has never caused a problem in the past...
I am running with Mac OS X, Version 10.6.8, processor 2.66Ghz Intel Core Duo, and 4GB memory (it's normally lightning fast!).
Any ideas would be much appreciated.
Thanks.

This is a known problem with Parallels and the recent update for 10.6.8. You do not need to actually have Parallels running to experience the problem and there is nothing in Activity Monitor that would indicate the issue is related to Parallels. You can find the explanation on Parallels site. They have put out an update to correct the problem:
http://kb.parallels.com/111541

Can someone please help me re-install my Creative Design 5.5 on my Mac? My MacBook Pro recently crashed and had to have the hard drive replaced. The back up from Time Machine is not reinstalling the program. Since I have the download paid, and codes, I

Can someone please help me re-install my Creative Design 5.5 on my Mac? My MacBook Pro recently crashed and had to have the hard drive replaced. The back up from Time Machine is not reinstalling the program. Since I have the download paid, and codes, I need direction on how to reinstall -- HELP?

Hi bodegakc,
If you have the serial number then please use the below mentioned link to download the product you are looking for .
CS5.5
Also before installing Please go to Applications-->Utilities--> Adobe installers and if there is any uninstaller for CS5.5 , you can remove it and do a fresh install.
You can also use creative cloud cleaner tool before installing.
Use the CC Cleaner Tool to solve installation problems | CC, CS3-CS6
Thanks
Nikhil Gupta

MacBook pro doesnt start. When I start my lap top, it shows the apple and the line uploading but it only goes like to 1/3 and then it goes blank for some seconds, then it turns off by itself and turn on again and happen the same, apple logo, etc

MacBook Pro doesnt start. When I start my lap top, it shows the apple and the line uploading but it only goes like to 1/3 and then it goes blank for some seconds, then it turns off by itself and turn on again and happen the same, apple logo, line .. the noise like-fan going on, then turn off and turn on again. Tried starting holding option command P and R key and didnt work either. Starting to think I have lost all my data inside

Try a SMC reset.
http://support.apple.com/kb/ht3964
It might be helpful if you indicated the exact model/year of your MBP. Are you running Lion OSX?
Ciao.

My macbook pro recently got swiped and I lost all my data, problem is, just before it was swiped I set up my new iphone 5 which transferred all my photos and music over which is no longer on the computer. What will happen to my phone if I plug it in?

My macbook pro recently got swiped and I lost all my data, problem is, just before it was swiped I set up my new iphone 5 which transferred all my photos and music over which is no longer on the computer. What will happen to my phone if I plug it in?

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Renee

HT1386 I had to replace the corrupted hard drive in my macbook pro recently, and after I did so I did a full factory software & application restore. Now my iTunes says my iPhone 5 is no longer an authorized device. What should I do?

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jrmetzger,
iOS runs on iPads and iPhones; OS X runs on Macs.
Given your situation, I’d highly recommended that you purchase a SATA-to-USB adapter, so that you can test both your old disk and your new disk externally, since it might be that the problem is due to a faulty internal SATA cable rather than due to faulty disks.

My MacBook Pro recently shut down on me all of a sudden. When I restarted it, it popped up with a gray box with 'OS X Utilities,' then listed various options such as 1. restore from time machine backup, 2. reinstall OS X, etc. what do I do now?

My MacBook Pro recently shut down on me all of a sudden. When I restarted it, it popped up with a gray box with 'OS X Utilities,' then listed various options such as 1. restore from time machine backup, 2. reinstall OS X, 3. get help online and 4. disk utility. what do I do now? I have not backed up to Time Machine in a few days, so I'm not sure I should restore from time machine backup, is there something else I can do? Help!

Guitar21,
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Macbook pro apple tv lag

Has a solution been found for the lag between apple tv and macbook pro?
The lag is slight but slows down then speeds up and feels like I'm having an epileptic fit in slow motion!
I have a MacBook Pro (13-inch, Late 2011) and using OS Yosemite V 10.10.1 and just bought the apple tv 2 weeks ago- but can't see where I find what gen or whatever it is.
I'm using Google Chrome and have tried Saffari but the lag is still there. The lag does not occur when using Ipad.
What's the latest apple?
Rebekah

Greetings rebekah444,
Welcome to the Apple Support Communities!
I understand that you are experiencing lag using AirPlay between your MacBook Pro and Apple TV. There are a few different troubleshooting steps that I would recommend in this situation. Please use the attached article as a reference for help resolving this issue.
Resolve issues with AirPlay and AirPlay Mirroring from iPhone, iPad, and iPod touch - Apple Support
Have a great day,
Joe

HT4796 Hi, I've just bought a new Macbook Pro and started migrating from PC but the remaining time is about 70 hours long, I just wanted to know if that timing is normal and if not, does leaving running my MacBook that time can affect it?

Hi, I've just bought a new Macbook Pro and started migrating from PC but the remaining time is about 70 hours long, I just wanted to know if that timing is normal and if not, does leaving running my MacBook that time can affect it?

70 hours... no, it's not normal but it can't hurt your Mac to be running for that amount of time.
Try this support article > OS X Mavericks: Transfer your info from a PC

I re-booted my macbook pro recently and downloaded mountain lion. Afterwards iPhoto disappeared and I'm having difficulty restoring it. Any suggestions?

I rebooted my macbook pro recently and downloaded mountain lion. Afterwards iPhoto dissapeared and I canr seem to restore it. Any suggestions?

Rebooting is the same as restarting. That should not have any effect on what software is installed on your machine unless something is very, very wrong. Do you mean that you erased the hard drive and installed Mountain Lion? If so, you will also need to reinstall iPhoto. What system did your machine originally ship with? If it came with disks, you can reinstall the iLife apps from the Applications disk.

My Mac Book pro recently started in safe boot mode and ever since I have had endless problems - To start with the keyboard will only input capitals and symbols althougth no locks are on and now I have a green wave on all white backgrounds! HELP!

My Mac Book pro recently started in safe boot mode and ever since I have had endless problems - To start with the keyboard will only input capitals and symbols althougth no locks are on and now I have a green wave on all white backgrounds! HELP!

Hi it's puzzled of Evesham....I didn't ask the question but have experienced exactly the same. I switched the computer on and it went straight to safe mode

How long does it take for a macbook pro to start , mine takes about 1 mn is this normal?

how long does it take for a macbook pro to start , mine takes about 1 mn is this normal?

Details of your specific hardware/software setup are in play, of course.
But, yes, that sounds normal.
charlie

Macbook pro doent start

macbook pro doesnt start, comes with question mark. I do not have the recovery disc anymore.

Your computer can't find a boot drive. It's possible that your hard drive is dead/dying or that your MBP has simply 'forgotten' your startup drive. Try rebooting while holding down the option key and see if your internal drive shows up as an option to boot from.
You really need to have a copy of the installation disc(s) that came with your MBP. You can order a set by calling Apple - I don't know the number, but there's a store in Amserdam - http://www.apple.com/nl/retail/amsterdam/.
Clinton

Macbook Pro recently started lagging

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