My late 2008 mac book pro runs slow and freezes

Hi, there! I have a late 2008 mac book pro and few months ago I upgraded the operating system from Snow Leopard to Mountain Lion. Since then my mac book often freezes, it is much slower than it was with Snow Leopard and the most annoying thing of all, is the almost inevidable freezing of the toolbar (where language selection, date, clock and other useful tools are located)
I was wondering if someone has experienced similar issues with his Mac Book Pro when upgraded to OSX Mountain Lion and if someone knows if and how this issue can be resolved?
Thank you.

I have the same problem. Up until 2 days ago my MacBook Pro was running fine, then suddenly things started going wrong. I am using mac os x 10.6.7 as well. Does this have something to do with any firmware updates.
Any help/ suggestions welcome.

Similar Messages

Mac book pro running slow and getting pop ups

mac book pro running slow and getting pop ups

There is no need to download anything to solve this problem.
You may have installed one or more of the common types of ad-injection malware. Follow the instructions on this Apple Support page to remove it. It's been reported that some variants of the "VSearch" malware block access to the page. If that happens, start in safe mode by holding down the shift key at the startup chime, then try again.
Back up all data before making any changes.
One of the steps in the article is to remove malicious Safari extensions. Do the equivalent in the Chrome and Firefox browsers, if you use either of those. If Safari crashes on launch, skip that step and come back to it after you've done everything else.
If you don't find any of the files or extensions listed, or if removing them doesn't stop the ad injection, ask for further instructions.
Make sure you don't repeat the mistake that led you to install the malware. It may have come from an Internet cesspit such as "Softonic" or "CNET Download." Never visit either of those sites again. You might also have downloaded it from an ad in a page on some other site. The ad would probably have included a large green button labeled "Download" or "Download Now" in white letters. The button is designed to confuse people who intend to download something else on the same page. If you ever download a file that isn't obviously what you expected, delete it immediately.
Malware is also found on websites that traffic in pirated content such as video. If you, or anyone else who uses the computer, visit such sites and follow prompts to install software, you can expect more of the same, and worse, to follow. Never install any software that you downloaded from a bittorrent, or that was downloaded by someone else from an unknown source.
In the Security & Privacy pane of System Preferences, select the General tab. The radio button marked Anywhere should not be selected. If it is, click the lock icon to unlock the settings, then select one of the other buttons. After that, don't ignore a warning that you are about to run or install an application from an unknown developer.
Still in System Preferences, open the App Store or Software Update pane and check the box marked
Install system data files and security updates (OS X 10.10 or later)
or
Download updates automatically (OS X 10.9 or earlier)
if it's not already checked.

Mac book pro running slow and word and excel from Mac not opening

Mac book pro running slow and word and excel from Mac not opening

Call it Monday morning humor.... ALL the MacBook Pro owners we see asking the same thing (more than once a day, too) are slower since 10.10.x so we can assume something. Heard the very same story with every new OS in the past decade from laptop owners, heard a lot especially with Snow Leopard back in Aug-Sept 2009.
A new OS goes better if you do a clean install / checked Roaringapps.com for compatibility / wait for vendors to have updates
About the only things that can be done in addition - if you have like many posting those symptoms have minimal 4GB RAM is to upgrade to 8GB+ and throw in a new 250GB+ SSD (the most recent MBP have to be bought with and cannot add RAM later).
Even the MacBook Air 2014 though with 4GB RAM have PCIe-SSDs that helps, plus 4th gen Intel i5's and an IG of 5000 or later all help.
Try including more details. Model year and configuration at least.

How do i download 10.9 or 10.8 if i have a 2008 mac book pro running os x 10.5.8

how do i download 10.9 or 10.8 if i have a 2008 mac book pro running 10.5.8

I might also add your signature is not in congruence with your post. Do you have 10.8.5, or 10.5.8. 10.8.5 is a free update to 10.9. 10.5.8, you must buy 10.6, download the free 10.6.8 combo to get to 10.8 or 10.9 via the App Store.
The sequence of the numbers matters greatly.
Per my prior post
10.5.8 < 10.6< 10.6.8 < 10.7 < 10.8 < 10.8.5 < 10.9
People just wanting 10.7 from 10.5.8 can purchase either 10.6 on CD, download 10.6.6 combo, and use the App Store to upgrade to 10.7. They can also purchase the 10.7 USB Flash drive if it can be found, and install it on an external drive, and import the data over once they are ready to run 10.7.
The key is knowing your software and driver compatibility.

I have a late 2008 Mac Book Pro and would like to upgrade to 8G, any suggestions on a brand? I can only find Ramjet or Cruical for the upgrade and there is a $30 difference in price.

I ahve a late 2008 Mac Book Pro and would like to upgrade the memory to 8g. I can only find 2 options Crucial and Ramjet. There is a $40 difference in the cost. Does anyone know if one is better than the other?

I have gotten my RAM from either Crucial or Macsales. They are both excellent.

My Mac Book Pro is slow and at times I have to reboot to connect to the net

My Mac Book Pro is slow and at times I have to reboot to connect the net. Also wondering how do I check if my software is up to date? Thank you.

To check to see if your software is up to date, go to >Software Update and you can check for updates.
No idea why your Mac is slow--there could be a variety of things that could cause slowness. A good start would be to see if all your RAM is recognized. >About this Mac will show you how much RAM you have. You can also open Activity Monitor and check your RAM usage.
Also, how full is your hard drive? You should have a minimum of 10% free space for the OS to operate properly, and 15% to 20% is better.
No idea why you have to reboot to connect to the internet, but it could be related to the slowness. Rebooting will free up RAM among other things.
Which MBP do you have and which version of the OS are you running?

Hi, I have a mac book pro running mavericks and recently tried to connect to a 3rd ten apple tv but the airplay icon is not showing up in the top bar. I then tried my girlfriends laptop running mountain lion and it showed up straight away. Any suggestions

Hi, I have a mac book pro running mavericks and recently tried to connect to a 3rd gen apple tv but the airplay icon is not showing up in the top bar. I then tried my girlfriends laptop running mountain lion and it showed up straight away. Any suggestions?

How old is the MacBook Pro? AirPlay is only supported on 2011 and newer models, due to the requirements it has in hardware for graphics acceleration.

MacBook Pro running slow and freezing--Installed OnyX

I am having problems with my MacBook Pro. For a while I was using Safari and getting the beachball A LOT. So, I switched to Chrome. For the past two days it has been running slow and freezing...when typing it would freeze and a few seconds later it would resume and the letters I typed would appear. After reading forums, I did the repair disk permissions. Nothing changed. I downloaded OnyX. After executing two tasks under cleaning..I believe System and User, it is already running better and hasn't froze once. My question is...which tasks should I perform on OnyX? I read somewhere that not all of them should be done. Like I said, I only did 2 and then stopped. I'm kind of over my head and don't want to screw anything up or do anything that doesn't need to be done. Any help would be appreciated.

I am having problems with my MacBook Pro. For a while I was using Safari and getting the beachball A LOT. So, I switched to Chrome. For the past two days it has been running slow and freezing...when typing it would freeze and a few seconds later it would resume and the letters I typed would appear. After reading forums, I did the repair disk permissions. Nothing changed. I downloaded OnyX. After executing two tasks under cleaning..I believe System and User, it is already running better and hasn't froze once. My question is...which tasks should I perform on OnyX? I read somewhere that not all of them should be done. Like I said, I only did 2 and then stopped. I'm kind of over my head and don't want to screw anything up or do anything that doesn't need to be done. Any help would be appreciated.

HT2353 Macbook Pro running slow and freezing

So it just started yesterday running slow and freezing. I'm starting to get very frustrated. I research to see what could be the problem. I saw people suggesting that it could be the storage. My storage is 464.75 free out of 499.25. I just brought this computer last year on christmas. I thought it could be adblock but it never cause me problems but I paused the app and it still doesn't work. What is wrong? Should I restart the computer? If I do how can I backup my things? Also i'm really not a computer person so if you can describe to me the problem in layman terms that'll be great!
OS X Mountain Lion 10.8.4
OH! and it's not just safari that's going slow but itunes,word,etc

Hello,
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?

Mac Book Pro runs slow

I have a mid-2009 Mac Book Pro. Safari runs poorly. I put something in the search bar, it sits, pauses, disappears, then reappears, then searches fairly slowly. I ran EtreCheck on it, here's the report. Any suggestions are welcome.
Problem description:
Mac runs slow. Searches in Safari bar disappear, then return, then search is slow.
EtreCheck version: 2.1.8 (121)
Report generated February 5, 2015 at 5:59:05 PM CST
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
    MacBook Pro (17-inch, Mid 2009) (Technical Specifications)
    MacBook Pro - model: MacBookPro5,2
    1 2.8 GHz Intel Core 2 Duo CPU: 2-core
    4 GB RAM Upgradeable
        BANK 0/DIMM0
            2 GB DDR3 1067 MHz ok
        BANK 1/DIMM0
            2 GB DDR3 1067 MHz ok
    Bluetooth: Old - Handoff/Airdrop2 not supported
    Wireless: en1: 802.11 a/b/g/n
    Battery Health: Replace Soon - Cycle count 1102
Video Information: ℹ️
    NVIDIA GeForce 9400M - VRAM: 256 MB
        Color LCD 1920 x 1200
    NVIDIA GeForce 9600M GT - VRAM: 512 MB
System Software: ℹ️
    OS X 10.9.5 (13F34) - Time since boot: 7 days 9:52:22
Disk Information: ℹ️
    FUJITSU MJA2500BH FFS G1 disk0 : (500.11 GB)
        EFI (disk0s1) <not mounted> : 210 MB
        Macintosh HD (disk0s2) / : 499.25 GB (302.37 GB free)
        Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
    MATSHITADVD-R   UJ-868
USB Information: ℹ️
    Apple Inc. iPhone
    Apple Inc. Built-in iSight
    Apple Inc. BRCM2046 Hub
        Apple Inc. Bluetooth USB Host Controller
    Apple, Inc. Apple Internal Keyboard / Trackpad
    Apple Computer, Inc. IR Receiver
Gatekeeper: ℹ️
    Mac App Store and identified developers
Kernel Extensions: ℹ️
        /System/Library/Extensions
    [not loaded]    com.Belcarra.iokit.USBLAN_netpart (2.0.2) [Click for support]
    [not loaded]    com.Belcarra.iokit.USBLAN_usbpart (2.0.2) [Click for support]
    [not loaded]    com.RemoteControl.USBLAN.usbpart (2.0.6) [Click for support]
        /System/Library/Extensions/Belcarra.USBLAN_netpart.kext/Contents/PlugIns
    [not loaded]    com.belcarra.iokit.netpart.panther (1.6.1) [Click for support]
        /System/Library/Extensions/Belcarra.USBLAN_usbpart.kext/Contents/PlugIns
    [not loaded]    com.belcarra.iokit.usbpart.panther (1.6.1) [Click for support]
        /System/Library/Extensions/RemoteControl.USBLAN_usbpart.kext/Contents/PlugIns
    [not loaded]    com.RemoteControl.USBLAN.panther (1.6.1) [Click for support]
Problem System Launch Daemons: ℹ️
    [failed]    com.apple.wdhelper.plist
Launch Agents: ℹ️
    [loaded]    com.adobe.CS4ServiceManager.plist [Click for support]
Launch Daemons: ℹ️
    [loaded]    com.adobe.fpsaud.plist [Click for support]
    [loaded]    com.adobe.versioncueCS4.plist [Click for support]
    [loaded]    com.microsoft.office.licensing.helper.plist [Click for support]
User Launch Agents: ℹ️
    [loaded]    com.adobe.ARM.[...].plist [Click for support]
    [failed]    [email protected]
    [loaded]    com.google.keystone.agent.plist [Click for support]
User Login Items: ℹ️
    Adobe Updater    Application (/Applications/Utilities/Adobe Utilities.localized/Adobe Updater5/Adobe Updater.app)
    RealPlayer Downloader Agent    Application (/Users/[redacted]/Library/Application Support/RealNetworks/RealPlayer Downloader Agent.app)
    Dropbox    Application (/Applications/Dropbox.app)
    AdobeResourceSynchronizer    Application (/Applications/Adobe Reader.app/Contents/Support/AdobeResourceSynchronizer.app)
Internet Plug-ins: ℹ️
    FlashPlayer-10.6: Version: 16.0.0.305 - SDK 10.6 [Click for support]
    Default Browser: Version: 537 - SDK 10.9
    AdobePDFViewerNPAPI: Version: 11.0.09 - SDK 10.6 [Click for support]
    Flash Player: Version: 16.0.0.305 - SDK 10.6 [Click for support]
    QuickTime Plugin: Version: 7.7.3
    AmazonMP3DownloaderPlugin101750: Version: AmazonMP3DownloaderPlugin 1.0.17 - SDK 10.4 [Click for support]
    Silverlight: Version: 5.1.30514.0 - SDK 10.6 [Click for support]
    JavaAppletPlugin: Version: 14.9.0 - SDK 10.7 Check version
User internet Plug-ins: ℹ️
    Move-Media-Player: Version: npmnqmp 071706000001 [Click for support]
3rd Party Preference Panes: ℹ️
    Adobe Version Cue CS4 [Click for support]
    Flash Player [Click for support]
    Flip4Mac WMV [Click for support]
    HP Scanjet [Click for support]
Time Machine: ℹ️
    Auto backup: YES
    Volumes being backed up:
        Macintosh HD: Disk size: 499.25 GB Disk used: 196.88 GB
    Destinations:
        Data [Network]
        Total size: 2.00 TB
        Total number of backups: 160
        Oldest backup: 2012-02-03 01:17:12 +0000
        Last backup: 2015-02-05 23:33:24 +0000
        Size of backup disk: Excellent
            Backup size 2.00 TB > (Disk size 499.25 GB X 3)
Top Processes by CPU: ℹ️
         9%    WindowServer
         2%    RealPlayer Downloader
         2%    Dock
         1%    RealPlayer Downloader Agent
         0%    AppleSpell
Top Processes by Memory: ℹ️
    142 MB    com.apple.WebKit.WebContent
    82 MB    Safari
    56 MB    Mail
    43 MB    WindowServer
    39 MB    iPhoto
Virtual Memory Information: ℹ️
    32 MB    Free RAM
    719 MB    Active RAM
    687 MB    Inactive RAM
    740 MB    Wired RAM
    14.15 GB    Page-ins
    3.16 GB    Page-outs

Some of your user files (not system files) have incorrect permissions or are locked. This procedure will unlock those files and reset their ownership, permissions, and access controls to the default. If you've intentionally set special values for those attributes, they will be reverted. In that case, either stop here, or be prepared to recreate the settings if necessary. Do so only after verifying that those settings didn't cause the problem. If none of this is meaningful to you, you don't need to worry about it, but you do need to follow the instructions below.
Back up all data before proceeding.
Step 1
If you have more than one user, and the one in question is not an administrator, then go to Step 2.
Enter the following command in the Terminal window in the same way as before (triple-click, copy, and paste):
sudo find ~ $TMPDIR.. -exec chflags -h nouchg,nouappnd,noschg,nosappnd {} + -exec chown -h $UID {} + -exec chmod +rw {} + -exec chmod -h -N {} + -type d -exec chmod -h +x {} + 2>&-
You'll be prompted for your login password, which won't be displayed when you type it. Type carefully and then press return. You may get a one-time warning to be careful. If you don’t have a login password, you’ll need to set one before you can run the command. If you see a message that your username "is not in the sudoers file," then you're not logged in as an administrator.
The command may take several minutes to run, depending on how many files you have. Wait for a new line ending in a dollar sign ($) to appear, then quit Terminal.
Step 2 (optional)
Take this step only if you have trouble with Step 1, if you prefer not to take it, or if it doesn't solve the problem.
Start up in Recovery mode. When the OS X Utilities screen appears, select
          Utilities ▹ Terminal
from the menu bar. A Terminal window will open. In that window, type this:
resetp
Press the tab key. The partial command you typed will automatically be completed to this:
resetpassword
Press return. A Reset Password window will open. You’re not going to reset a password.
Select your startup volume ("Macintosh HD," unless you gave it a different name) if not already selected.
Select your username from the menu labeled Select the user account if not already selected.
Under Reset Home Directory Permissions and ACLs, click the Reset button.
Select
           ▹ Restart
from the menu bar.

Mac book pro running slow with lion

My Mac book pro is running real slow since upgrading from leopard to lion. Takes up to a minute or more to boot up and open some programs like I Photo.

Perhaps you need more RAM or you do not have enough Free Space on your Hard Drive...
See this User Tip by ds store > Why is my computer slow?

Mac Book Pro Running Slow since installing Mountain Lion

Since I downloaded Mountain lion this summer my MAc Bok has been running slow and running hot. I am not sure what to do. I checked my hard drive is only 4GB and I may need to upgrade it. But waht else can I do?
Saran

You need at least 20 GBs of free space on your hard drive and at least 4 GBs of RAM.
Things You Can Do To 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):
1. Carbon Copy Cloner
2. Data Backup
3. Deja Vu
4. SuperDuper!
5. SyncTwoFolders
6. Synk Pro
7. Synk Standard
8. 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.

After downloading the latest update, my Mac Book Pro runs slow must make firefox force quit what is going on

I did not have any problems until down loading the latest FF update, after loading and installing my Mac Book Pro is running extremely slow, I must force quit FF, my email takes for ever to load the little ball rolls forever trying to wait for things to open, I am pulling my hair out I need help Please

OS X Mavericks / OS X Mountain Lion If your Mac runs slowly?
http://support.apple.com/kb/PH13895
Startup in Safe Mode
http://support.apple.com/kb/PH14204
Repair Disk
Steps 1 through 7
http://support.apple.com/kb/PH5836
Reset SMC. http://support.apple.com/kb/HT3964
Choose the method for:
"Resetting SMC on portables with a battery you should not remove on your own".

I use hotmail outlook. When I go to it it switches to Yahoo in 6 seconds. I cannot keep it on hotmail! started yesterday! I have a late 2008 mac book pro.

My mac book pro late 2008 has started jumping from outlook, hotmail to Yahoo. It moves before I can even put my cursor on an email to open it! within 6 seconds it is on yahoo. If I do manage to open an e-mail it is on Yahoo before I can read it. Help????

Brandon, there are words apple, yahoo, google maps, youtube wikipedia news and Popular on a grey strip at top of screen. I go to popular and click on hotmail. I have also gone to the top and put in hotmail at the https but it does the same thing.

Late 2008 Mac Book Pro with Thunderbolt display: Compatibility

I have a Mac Book Pro Late 2008 (15inch) and want to buy a 27inch thunderbolt display, because in the future I will buy a mac book air (thunderbolt)...
but for now:
1: Can I use my late 2008 MacPro with thunderbolt?
1a:If yes, which functions work, which not...
1b:If yes, how to connect? I do not have any cables so far
1c:If yes, will my resolution increase on the 27inch or will I have the resolution of the mac book? What about the future Mac Book Air? Which resolution will be?
2: If I cannot use it, is there any exchange program from Apple for old Macs against new ones? (Like for cars they have)

I have a Late 2011 MacBookPro that I bought with the stock 5400 RPM HD. Before I did anything with it, I replaced it with a Momentus XT drive. In my Late 2007 MBP, I have used the original 160GB 5400 RPM drive for a few months before replacing it with a 7200 RPM (non XT) drive, and the difference was noticable, but not huge. For me, the move from 7200 RPM to 7200RPM-Hybrid was noticable, but not huge. I would say that you won't be disappointed by goign to a hybrid drive (as long as you get the 750GB version as some of the 500GB ones had firmware issues that caused nightmares for some Mac users.
Now that I look more closely, you will probably see a fairly huge jump, as your existing drive is only negotatiating a SATA-I link, where the Momentus XT is a SATA-III drive, so it will be able to negotiate a SATA-II link to get the best performance of your controller.

My late 2008 mac book pro runs slow and freezes

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