Snow Leopard running very slow
I am running Snow Leopard and my MacBook is running much slower now then when I first installed Snow Leopard. It was very fast, now very slow. Apps are slow to respond or the don't respond at all. I have repaired permissions which helped very little and only temporary.
I have 4GB DDR2 ram. PDF files are now extremely slow to open in Preview and Safari is very laggy. I am using Firefox now as it runs fast. I tried Adobe Reader but that was just as bad and hogged CPU and memory. I completely uninstalled and removed Adobe from my MacBook.
I know a few others with Mac's with the same problem of a very slow Mac. Some have MacBook Pro's or Imac's 1 friend is using a Mac Pro and has noticed the how slow and laggy Snow Leopard has become.
I have scanned for viruses and found none.
See:
Mac Maintenance Quick Assist,
Mac OS X speed FAQ,
Speeding up Macs,
Macintosh OS X Routine Maintenance
Essential Mac Maintenance: Get set up,
Essential Mac Maintenance: Rev up your routines,
Maintaining OS X, and
Myths of required versus not required maintenance for Mac OS X.
Similar Messages
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Snow Leopard running very slow after Apple security update 10-05
I installed the security update that came out Tuesday 8/24. After restarting I noticed that both my browsers (Safari 5.1 and Firefox 3.8) were running so slow they would time out before loading a webpage. Also my VLC media player was very slow to start streaming audio.
I think there's something wrong with my iMac 2.8 Ghz (Model 8,1) related to the security update. This is the first problem I've had with the in months. I had to post this note using a PC.
Help!After restarting the iMac, everything is running as fast as usual. It must have needed an extra shut down and start up.
-
My IMac 2009 with snow Leopard is very slow. What can I do ? I'm french
My IMac 2009 with snow Leopard is very slow. What can I do ? I'm french
Patjan73 wrote:
My IMac 2009 with snow Leopard is very slow. What can I do ? I'm french
The first two things I recommend is boot from your installer dvd or external bootable drive and repair/verify your drives with Disk Utility (not repair permissions) and do a smc and pram reset.
Also make sure you have at least 20GB to 25GB free space on your boot volume for OS operations. -
I updated my mac osx and now my laptop is very slow and the fan is often working.
This is really really slow with canon digital photo professional (3.8.2)
Do u have these problems ?
Snow leopard ***** !Looks like it uses high capacity Compact Flash cards. For that you would need a reader like this:
http://www.amazon.com/SanDisk-SDDRX4-CFR-Sandisk-Extreme-FireWire/product-review s/B000I04WWY/ref=dptop_cm_cr_acrtxt?ie=UTF8&showViewpoints=1
Which is qualified for your Mac OS X version in terms of compatibility. Check with SanDisk if it will work with that. -
Snow Leopard Running Extremely Slow
Hello,
Recently installed Snow Leopard and everything has been running slow from web pages loading to editing and rendering in FCP.
I had no speed issues with Tiger.
I have verified disk permissions and repaired, and everything is still running slow.
Plenty of space left on hard drive.
Please help.
-Eric
Apple iMac 2.16GHz Intel Core 2 Duo (24-inch)See:
Mac Maintenance Quick Assist,
Mac OS X speed FAQ,
Speeding up Macs,
Macintosh OS X Routine Maintenance
Essential Mac Maintenance: Get set up,
Essential Mac Maintenance: Rev up your routines,
Maintaining OS X, and
Myths of required versus not required maintenance for Mac OS X for information. -
Snow Leopard runs super slow on early 2006 (Intel) iMac
Hi. I need some advice please. I have an early 2006 iMac 20" that was running slow and I wanted to upgrade OS and main applications so I bought the SL box set. I backed up my data on a USB HDD and did a clean install, but now the system runs incredibly slowly. Genius at the Apple store ran diagnostics all day and found no problems with the HW and recommended I added another 1GB of RAM to existing 1GB. I did and system is still incredibly slow. I get the beach ball all the time and sometimes the system is completely unresponsive. Anyone else have performance issues with SL on this model iMac?
Message was edited by: LeibochipsSee:
Mac Maintenance Quick Assist,
Mac OS X speed FAQ,
Speeding up Macs,
Macintosh OS X Routine Maintenance
Essential Mac Maintenance: Get set up,
Essential Mac Maintenance: Rev up your routines,
Maintaining OS X, and
Myths of required versus not required maintenance for Mac OS X for possible fixes. -
My MacBook Air running on Snow Leopard gets extremely slow (almost like a hang, except if you wait about half an hr, it actually moves) after login interface. Sometimes it never gets past the background of the homepage, desktop doesn't seem to load. After multiple forced shut downs and left to run for hours, sometimes the desktop loads but the dock does not respond when applications are opened. The computer is then unable to shut down normally. Forced shut downs are necessary most times. Time machine backup takes extremely long, and attempts to use the time machine to bring the laptop back to the time befiore the problem arose was met with extremely slow and hung time machine function.
Please help!There isn't much besides a failing hard drive or other hardware fault that can cause those symptoms. Run the Apple Hardware Test, or just take it to an Apple Store for testing.
-
My MacBook pro is running very slow and unresponsive.
My MacBook pro is running very slow and unresponsive. I have mid 2010 model running on lion. Past few days it looks very unresponsive. Tried to reinstall lion as clean copy. Still no luck. Any help on this is much appreciated !
My model has 4 gb ram.Things That Can Keep Your Computer From Slowing Down
If your computer seems to be running slower here are some things you can do:
Boot into Safe Mode then repair your hard drive and permissions:
Repair the Hard Drive and Permissions Pre-Lion
Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
Repair the Hard Drive - Lion
Boot from your Lion Recovery HD. When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported, then click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the main menu. Select Restart from the Apple menu.
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Restart your computer normally and see if this has helped any. Next do some maintenance:
Suggestions for OS X Maintenance
For situations Disk Utility cannot handle the best third-party utility is Disk Warrior; DW only fixes problems with the disk directory, but most disk problems are caused by directory corruption; Disk Warrior 4.x is now Intel Mac compatible.
OS X performs certain maintenance functions that are scheduled to occur on a daily, weekly, or monthly period. The maintenance scripts run in the early AM only if the computer is turned on 24/7 (no sleep.) If this isn't the case, then an excellent solution is to download and install a shareware utility such as Macaroni, JAW PseudoAnacron, or Anacron that will automate the maintenance activity regardless of whether the computer is turned off or asleep. Dependence upon third-party utilities to run the periodic maintenance scripts was significantly reduced since Tiger. These utilities have limited or no functionality with Snow Leopard or Lion and should not be installed.
OS X automatically defragments files less than 20 MBs in size, so unless you have a disk full of very large files there's little need for defragmenting the hard drive. As for virus protection there are few if any such animals affecting OS X. You can protect the computer easily using the freeware Open Source virus protection software ClamXAV. Personally I would avoid most commercial anti-virus software because of their potential for causing problems. For more about malware see Macintosh Virus Guide.
I would also recommend downloading a utility such as TinkerTool System, OnyX 2.4.3, or Cocktail 5.1.1 that you can use for periodic maintenance such as removing old log files and archives, clearing caches, etc.
For emergency repairs install the freeware utility Applejack. If you cannot start up in OS X, you may be able to start in single-user mode from which you can run Applejack to do a whole set of repair and maintenance routines from the command line. Note that AppleJack 1.5 is required for Leopard. AppleJack 1.6 is compatible with Snow Leopard. There is no confirmation that this version also works with Lion.
When you install any new system software or updates be sure to repair the hard drive and permissions beforehand.
Get an external Firewire drive at least equal in size to the internal hard drive and make (and maintain) a bootable clone/backup. You can make a bootable clone using the Restore option of Disk Utility. You can also make and maintain clones with good backup software. My personal recommendations are (order is not significant):
Carbon Copy Cloner
Data Backup
Deja Vu
SuperDuper!
SyncTwoFolders
Synk Pro
Synk Standard
Tri-Backup
Visit The XLab FAQs and read the FAQs on maintenance, optimization, virus protection, and backup and restore.
Additional suggestions will be found in Mac Maintenance Quick Assist.
Referenced software can be found at CNet Downloads or MacUpdate.
Additional Hints
Be sure you have an adequate amount of RAM installed for the number of applications you run concurrently. Be sure you leave a minimum of 10% of the hard drive's capacity as free space.
Add more RAM. If your computer has less than 2 GBs of RAM and you are using OS X Leopard or later, then you can do with more RAM. Snow Leopard and Lion work much better with 4 GBs of RAM than their system minimums. The more concurrent applications you tend to use the more RAM you should have.
Always maintain at least 15 GBs or 10% of your hard drive's capacity as free space, whichever is greater. OS X is frequently accessing your hard drive, so providing adequate free space will keep things from slowing down.
Check for applications that may be hogging the CPU:
Open Activity Monitor in the Utilities folder. Select All Processes from the Processes dropdown menu. Click twice on the CPU% column header to display in descending order. If you find a process using a large amount of CPU time, then select the process and click on the Quit icon in the toolbar. Click on the Force Quit button to kill the process. See if that helps. Be sure to note the name of the runaway process so you can track down the cause of the problem.
Often this problem occurs because of a corrupted cache or preferences file or an attempt to write to a corrupted log file. -
MacBook Pro 15" running very slow
Hi all,
My MacBook Pro is running very slow since I updated OS X 10.5.7 to Snow Leopard OS X 10.6.3 Since then, it has updated itself to OS X 10.6.8
I notice that when I am downloading from the internet, I am only getting around 1.3 mb per second and if I try to upload to Dropbox, it tells me that the upload speed is between 350k and 425k, even small mp3 files. I have had my router checked and it tells me that my download speed should be at least 18mb with an upload speed of 1.6mb - 1.9mb Has anyone any suggestions please as to how I can get this to
Specs are as follows:
Model Name: MacBook Pro 15" (2006)
Model Identifier: MacBookPro 2,2
Processor Name: Intel Core 2 Duo
Processor Speed: 2.33 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache: 4 MB
Memory: 3 GB
Bus Speed: 667 MHz
Boot ROM Version: MBP22.00A5.B07
SMC Version (system): 1.12f5
Serial Number (system): W86520WSW0L
Hardware UUID: 00000000-0000-1000-8000-0017F2CD860Erockonbilly wrote:
Hi all,
My MacBook Pro is running very slow since I updated OS X 10.5.7 to Snow Leopard OS X 10.6.3 Since then, it has updated itself to OS X 10.6.8
OSX's do not update them selves.
Reset the SMC and the PRAM:
http://support.apple.com/en-us/HT3964
http://web.archive.org/web/20140711222006/http://support.apple.com/kb/ht1379
Then try a Safe Boot:
http://support.apple.com/en-us/HT1564
Any change?
Ciao. -
curent version of OS 10.6.8 is running very slow.
Two actions i can think of-
1. upgrade to lion, which should over write previous software and the reasons for it being slow.
2. Format the hard disc and reinstall snow leopard. Now how do i reinstall snow leopard as it was an online purchased upgrade from leopard.
what is the better aproach- lion or reinstalling snow leopard if that is possible.munish khanna wrote:
1. upgrade to lion, which should over write previous software and the reasons for it being slow.
No, you don't want to upgrade over a buggy system, Lion has issues of it's own that will only complicate matters, plus Lion is slower than Snow Leopard.
Learn all the pitfalls before you upgrade to Lion, like all your Rosetta/older programs will no longer work and more.
Leave Lion for a new hardware purchase is my advice, it's still got plenty of security and other issues.
For your performance, your likely better off replacing the hard drive with a 7,200 RPM model and maxing the RAM, download the free MacTracker to find out your specs, and OtherWorld Computing is good for videos, tools and parts.
http://eshop.macsales.com/installvideos/
2. Format the hard disc and reinstall snow leopard.
That will work, provided your data is off the machine first.
Now how do i reinstall snow leopard as it was an online purchased upgrade from leopard.
The 10.6 Snow Leopard disk that you upgraded 10.5 Leopard from actually has the full OS X 10.6 on it.
All you have to do is stick the disk in and hold the c key down while booting, use Disk Utility to erase the entire drive, quit and install 10.6.
Of course your not going to get the free iLife that came with the 10.5 grey disks, see if you can first install 10.5 with the same methods, then setup with the same user name as before, then upgrade to 10.6
I think Apple nulled booting off the 10.5 disks, but it won't hurt to try.
Another method would be to install 10.6 fresh by itself, then use the program called Pacifist to extract iLife from the 10.5 disks.
http://www.charlessoft.com/
Read here for plenty of how to's
https://discussions.apple.com/message/16276201#16276201 -
HT1338 XSERVE 10.6.8 is running very slow, and Workgroup Manager is not responding
XSERVE 10.6.8 is running very slow, and Workgroup Manager is not responding. There is no more updates to download.
munish khanna wrote:
1. upgrade to lion, which should over write previous software and the reasons for it being slow.
No, you don't want to upgrade over a buggy system, Lion has issues of it's own that will only complicate matters, plus Lion is slower than Snow Leopard.
Learn all the pitfalls before you upgrade to Lion, like all your Rosetta/older programs will no longer work and more.
Leave Lion for a new hardware purchase is my advice, it's still got plenty of security and other issues.
For your performance, your likely better off replacing the hard drive with a 7,200 RPM model and maxing the RAM, download the free MacTracker to find out your specs, and OtherWorld Computing is good for videos, tools and parts.
http://eshop.macsales.com/installvideos/
2. Format the hard disc and reinstall snow leopard.
That will work, provided your data is off the machine first.
Now how do i reinstall snow leopard as it was an online purchased upgrade from leopard.
The 10.6 Snow Leopard disk that you upgraded 10.5 Leopard from actually has the full OS X 10.6 on it.
All you have to do is stick the disk in and hold the c key down while booting, use Disk Utility to erase the entire drive, quit and install 10.6.
Of course your not going to get the free iLife that came with the 10.5 grey disks, see if you can first install 10.5 with the same methods, then setup with the same user name as before, then upgrade to 10.6
I think Apple nulled booting off the 10.5 disks, but it won't hurt to try.
Another method would be to install 10.6 fresh by itself, then use the program called Pacifist to extract iLife from the 10.5 disks.
http://www.charlessoft.com/
Read here for plenty of how to's
https://discussions.apple.com/message/16276201#16276201 -
Mac book pro is running very slow what can i do to speed it up?
mac book pro is running very slow what can i do to speed it up?
Things You Can Do To Resolve Slow Downs
If your computer seems to be running slower here are some things you can do:
Start with visits to: OS X Maintenance - MacAttorney;
The X Lab: The X-FAQs;
The Safe Mac » Mac Performance Guide;
The Safe Mac » The myth of the dirty Mac;
Mac maintenance Quick Assist.
Boot into Safe Mode then repair your hard drive and permissions:
Repair the Hard Drive and Permissions Pre-Lion
Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
Repair the Hard Drive - Lion/Mountain Lion/Mavericks
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the Utilites Menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD disk icon and click on the arrow button below.
When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported, then click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the main menu. Select Restart from the Apple menu.
Restart your computer normally and see if this has helped any. Next do some maintenance:
For situations Disk Utility cannot handle the best third-party utility is Disk Warrior; DW only fixes problems with the disk directory, but most disk problems are caused by directory corruption; Disk Warrior 4.x is now Intel Mac compatible.
Note: Alsoft ships DW on a bootable DVD that will startup Macs running Snow Leopard or earlier. It cannot start Macs that came with Lion or later pre-installed, however, DW will work on those models.
Suggestions for OS X Maintenance
OS X performs certain maintenance functions that are scheduled to occur on a daily, weekly, or monthly period. The maintenance scripts run in the early AM only if the computer is turned on 24/7 (no sleep.) If this isn't the case, then an excellent solution is to download and install a shareware utility such as Macaroni, JAW PseudoAnacron, or Anacron that will automate the maintenance activity regardless of whether the computer is turned off or asleep. Dependence upon third-party utilities to run the periodic maintenance scripts was significantly reduced since Tiger. These utilities have limited or no functionality with Snow Leopard or later and should not be installed.
OS X automatically defragments files less than 20 MBs in size, so unless you have a disk full of very large files there's little need for defragmenting the hard drive.
Helpful Links Regarding Malware Protection
An excellent link to read is Tom Reed's Mac Malware Guide.
Also, visit The XLab FAQs and read Detecting and avoiding malware and spyware.
See these Apple articles:
Mac OS X Snow Leopard and malware detection
OS X Lion- Protect your Mac from malware
OS X Mountain Lion- Protect your Mac from malware
About file quarantine in OS X
If you require anti-virus protection I recommend using VirusBarrier Express 1.1.6 or Dr.Web Light both from the App Store. They're both free, and since they're from the App Store, they won't destabilize the system. (Thank you to Thomas Reed for these recommendations.)
Troubleshooting Applications
I recommend downloading a utility such as TinkerTool System, OnyX, Mavericks Cache Cleaner, or Cocktail that you can use for removing old log files and archives, clearing caches, etc. Corrupted cache, log, or temporary files can cause application or OS X crashes as well as kernel panics.
If you have Snow Leopard or Leopard, then for similar repairs install the freeware utility Applejack. If you cannot start up in OS X, you may be able to start in single-user mode from which you can run Applejack to do a whole set of repair and maintenance routines from the command line. Note that AppleJack 1.5 is required for Leopard. AppleJack 1.6 is compatible with Snow Leopard. Applejack does not work with Lion and later.
Basic Backup
For some people Time Machine will be more than adequate. Time Machine is part of OS X. There are two components:
1. A Time Machine preferences panel as part of System Preferences;
2. A Time Machine application located in the Applications folder. It is
used to manage backups and to restore backups. Time Machine
requires a backup drive that is at least twice the capacity of the
drive being backed up.
Alternatively, get an external drive at least equal in size to the internal hard drive and make (and maintain) a bootable clone/backup. You can make a bootable clone using the Restore option of Disk Utility. You can also make and maintain clones with good backup software. My personal recommendations are (order is not significant):
1. Carbon Copy Cloner
2. Get Backup
3. Deja Vu
4. SuperDuper!
5. Synk Pro
6. Tri-Backup
Visit The XLab FAQs and read the FAQ on backup and restore. Also read How to Back Up and Restore Your Files. For help with using Time Machine visit Pondini's Time Machine FAQ for help with all things Time Machine.
Referenced software can be found at MacUpdate.
Additional Hints
Be sure you have an adequate amount of RAM installed for the number of applications you run concurrently. Be sure you leave a minimum of 10% of the hard drive's capacity as free space.
Add more RAM. If your computer has less than 2 GBs of RAM and you are using OS X Leopard or later, then you can do with more RAM. Snow Leopard and Lion work much better with 4 GBs of RAM than their system minimums. The more concurrent applications you tend to use the more RAM you should have.
Always maintain at least 15 GBs or 10% of your hard drive's capacity as free space, whichever is greater. OS X is frequently accessing your hard drive, so providing adequate free space will keep things from slowing down.
Check for applications that may be hogging the CPU:
Pre-Mavericks
Open Activity Monitor in the Utilities folder. Select All Processes from the Processes dropdown menu. Click twice on the CPU% column header to display in descending order. If you find a process using a large amount of CPU time (>=70,) then select the process and click on the Quit icon in the toolbar. Click on the Force Quit button to kill the process. See if that helps. Be sure to note the name of the runaway process so you can track down the cause of the problem.
Mavericks and later
Open Activity Monitor in the Utilities folder. Select All Processes from the View menu. Click on the CPU tab in the toolbar. Click twice on the CPU% column header to display in descending order. If you find a process using a large amount of CPU time (>=70,) then select the process and click on the Quit icon in the toolbar. Click on the Force Quit button to kill the process. See if that helps. Be sure to note the name of the runaway process so you can track down the cause of the problem.
Often this problem occurs because of a corrupted cache or preferences file or an attempt to write to a corrupted log file. -
I've got a 24" imac with the 2.4 GHz Intel core 2 duo and 4 GBs of ram. In January I did a software update and the imac hasn't run the same since. At first I had problems booting up. I would get a file folder with a question mark in the middle. I thought the hard drive had gone bad so I replaced it with a new ssd. I did a new install with snow leopard and have only installed one other program- google chrome. Everything else on the machine is stock leopard software. I have everything backed up with time machine on an external drive. I assumed all of my problems would go away with the new drive/ reinstall but they haven't. I can boot up now like normal but now the imac runs very slow. If I run one application everything is mostly fine but when I try to run something else the spinning beach ball pops up. This will last anywhere from 10-60 seconds. Example- I run google chrome with one tab open and I try and run itunes the computer will freeze up for a few seconds. Then I will try and kill itunes and it will freeze up again. When I am finally able to exit itunes chrome will run normal.
Any help/ thoughts would be very much appreciated.
Thanks,
JacobUsually OWC's RAM is just fine however they will probably acknowledge the issue and if pressed will upgrade you to Samsung RAM. However first let's try 2 things. If they don't resolve your problem remove one of the DIMMs so you have 12GB installed:
1. Do a SMC reset (instructions below)
2. In Disk Utility Repair Disk Permissions
_SMC RESET_
• Shut down the computer.
• Unplug the computer's power cord and all peripherals.
• Press and hold the power button for 5 seconds.
• Release the power button.
• Attach the computers power cable.
• Press the power button to turn on the computer.
_PRAM RESET_
• Shut down the computer.
• Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
• Turn on the computer.
• Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
• Hold the keys down until the computer restarts and you hear the startup sound for the second time.
Release the keys.
Test to see if the problem has been resolved. -
My macbook pro started running very slow in the past few days
Don't know if freezes or run very slow, it always happen when i open the mac (i always leave it on sleep mode) it doesn't respond to anything and the cursor turns into the rainbow loading icon.
It takes like ten to twenty minutes to respond if i've clicked on safari or any aplication to open.
The solution i found to that was keep pressing the power button til the mac turn off , restarting seemed to solve the problem but now it took like 30 minutes to restart, when always was like 5 minutes.
What can i do?If you get your machine running, you should immediatly copy off any personal data to a Storage Drive (no TimeMachine!) because your boot drive is failing.
See emergency quick copy here
Most commonly used backup methods
If you have a copy of your data off the machine, if your able too you can replace the drive yourself or if under AppleCare or warranty take it in for service.
Install/upgrade RAM or storage drive in Mac's
Since you've upgraded to 10.7 on that machine, you have to make a Recovery USB or borrow a friends machine andcopy theirs, perhaps Apple will let you get a copy.
http://osxdaily.com/2011/08/08/lion-recovery-disk-assistant-tool-makes-external- lion-boot-recovery-drives/
It's because Recovery HD is used to reinstall 10.7+ on a new boot drive. Newer machines have Internet Recovery.
https://support.apple.com/kb/HT4718
Or else fresh install 10.6 from your disks and then option click on Purchases to redownload and install 10.7
How to erase and install Snow Leopard 10.6 -
I am using Mac OS 10.7.5. During the last week, it has started running very slow. Any thoughts?
Things You Can Do To Resolve Slow Downs
If your computer seems to be running slower here are some things you can do:
Start with visits to: OS X Maintenance - MacAttorney;
The X Lab: The X-FAQs;
The Safe Mac » Mac Performance Guide;
The Safe Mac » The myth of the dirty Mac;
Mac maintenance Quick Assist.
Boot into Safe Mode then repair your hard drive and permissions:
Repair the Hard Drive and Permissions Pre-Lion
Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
Repair the Hard Drive - Lion/Mountain Lion/Mavericks
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the Utilites Menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD disk icon and click on the arrow button below.
When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported, then click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the main menu. Select Restart from the Apple menu.
Restart your computer normally and see if this has helped any. Next do some maintenance:
For situations Disk Utility cannot handle the best third-party utility is Disk Warrior; DW only fixes problems with the disk directory, but most disk problems are caused by directory corruption; Disk Warrior 4.x is now Intel Mac compatible.
Note: Alsoft ships DW on a bootable DVD that will startup Macs running Snow Leopard or earlier. It cannot start Macs that came with Lion or later pre-installed, however, DW will work on those models.
Suggestions for OS X Maintenance
OS X performs certain maintenance functions that are scheduled to occur on a daily, weekly, or monthly period. The maintenance scripts run in the early AM only if the computer is turned on 24/7 (no sleep.) If this isn't the case, then an excellent solution is to download and install a shareware utility such as Macaroni, JAW PseudoAnacron, or Anacron that will automate the maintenance activity regardless of whether the computer is turned off or asleep. Dependence upon third-party utilities to run the periodic maintenance scripts was significantly reduced since Tiger. These utilities have limited or no functionality with Snow Leopard or later and should not be installed.
OS X automatically defragments files less than 20 MBs in size, so unless you have a disk full of very large files there's little need for defragmenting the hard drive.
Helpful Links Regarding Malware Protection
An excellent link to read is Tom Reed's Mac Malware Guide.
Also, visit The XLab FAQs and read Detecting and avoiding malware and spyware.
See these Apple articles:
Mac OS X Snow Leopard and malware detection
OS X Lion- Protect your Mac from malware
OS X Mountain Lion- Protect your Mac from malware
About file quarantine in OS X
If you require anti-virus protection I recommend using VirusBarrier Express 1.1.6 or Dr.Web Light both from the App Store. They're both free, and since they're from the App Store, they won't destabilize the system. (Thank you to Thomas Reed for these recommendations.)
Troubleshooting Applications
I recommend downloading a utility such as TinkerTool System, OnyX, Mavericks Cache Cleaner, or Cocktail that you can use for removing old log files and archives, clearing caches, etc. Corrupted cache, log, or temporary files can cause application or OS X crashes as well as kernel panics.
If you have Snow Leopard or Leopard, then for similar repairs install the freeware utility Applejack. If you cannot start up in OS X, you may be able to start in single-user mode from which you can run Applejack to do a whole set of repair and maintenance routines from the command line. Note that AppleJack 1.5 is required for Leopard. AppleJack 1.6 is compatible with Snow Leopard. Applejack does not work with Lion and later.
Basic Backup
For some people Time Machine will be more than adequate. Time Machine is part of OS X. There are two components:
1. A Time Machine preferences panel as part of System Preferences;
2. A Time Machine application located in the Applications folder. It is
used to manage backups and to restore backups. Time Machine
requires a backup drive that is at least twice the capacity of the
drive being backed up.
Alternatively, get an external drive at least equal in size to the internal hard drive and make (and maintain) a bootable clone/backup. You can make a bootable clone using the Restore option of Disk Utility. You can also make and maintain clones with good backup software. My personal recommendations are (order is not significant):
1. Carbon Copy Cloner
2. Get Backup
3. Deja Vu
4. SuperDuper!
5. Synk Pro
6. Tri-Backup
Visit The XLab FAQs and read the FAQ on backup and restore. Also read How to Back Up and Restore Your Files. For help with using Time Machine visit Pondini's Time Machine FAQ for help with all things Time Machine.
Referenced software can be found at MacUpdate.
Additional Hints
Be sure you have an adequate amount of RAM installed for the number of applications you run concurrently. Be sure you leave a minimum of 10% of the hard drive's capacity as free space.
Add more RAM. If your computer has less than 2 GBs of RAM and you are using OS X Leopard or later, then you can do with more RAM. Snow Leopard and Lion work much better with 4 GBs of RAM than their system minimums. The more concurrent applications you tend to use the more RAM you should have.
Always maintain at least 15 GBs or 10% of your hard drive's capacity as free space, whichever is greater. OS X is frequently accessing your hard drive, so providing adequate free space will keep things from slowing down.
Check for applications that may be hogging the CPU:
Pre-Mavericks
Open Activity Monitor in the Utilities folder. Select All Processes from the Processes dropdown menu. Click twice on the CPU% column header to display in descending order. If you find a process using a large amount of CPU time (>=70,) then select the process and click on the Quit icon in the toolbar. Click on the Force Quit button to kill the process. See if that helps. Be sure to note the name of the runaway process so you can track down the cause of the problem.
Mavericks and later
Open Activity Monitor in the Utilities folder. Select All Processes from the View menu. Click on the CPU tab in the toolbar. Click twice on the CPU% column header to display in descending order. If you find a process using a large amount of CPU time (>=70,) then select the process and click on the Quit icon in the toolbar. Click on the Force Quit button to kill the process. See if that helps. Be sure to note the name of the runaway process so you can track down the cause of the problem.
Often this problem occurs because of a corrupted cache or preferences file or an attempt to write to a corrupted log file.
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