Does MacBook Pro need more than 4gb ram to run osx lion?

Machine is mid 2009, 4gb ram, 2.26 ghz processor. Since installing the operating system update and updates to iPhoto, most programs take a longer to load than originally. I have plenty of hard drive space available for virtual memory.
I have priced up adding ram, but want to be sure before I spend the money.

I think it is safe to say, yes Lion requires more RAM to run and maintain the OS compared to your previous Snow Leopard or Tiger. But still 2 GB of RAM is advertised as the minimum requirement.
http://support.apple.com/kb/ht4949
The new Mavericks does seem to manage memory better however the RAM requirement is the same.
http://support.apple.com/kb/HT5842
RAM is considered your best bang for the buck, if you do decide to upgrade.

Similar Messages

2010 Macbook pro is running slow in Mavericks. Do I need more than 4gb ram?

My late 2010 13" 2.4Ghz Intel Core 2 Duo Macbook Pro is running slow since upgrading to Mavericks. I currently only have 4gb of ram. When I boot up It takes quite awhile (nearly 5 minutes or more) before the system is usable. Or it takes almost as long to switch to another user. Once I let it sit, it runs fine. I'm mostly using Safari and possibly MS Word at any given time. I looked at the Activity monitor and I believe I'm using aboiut 3.6 - 3.9gb of physical memory and over 4gb of virtual memory. Swap is using 0 at all times.
Do I need more RAM? Wipe my drive and do a fresh install? I'm reluctant to do the latter, because I don't want to have to reinstall all of my apps (even witha TM backup).
Thanks all

Thanks Linc for any help-
Hope I didn't paste too much. Uninstalling CleanMyMac has already helped some. Here goes:
2/3/14 12:14:36.075 AM secd[356]: SecErrorGetOSStatus unknown error domain: com.apple.security.sos.error for error: The operation couldn’t be completed. (com.apple.security.sos.error error 2 - Public Key not available - failed to register before call)
2/3/14 12:14:36.076 AM secd[356]: securityd_xpc_dictionary_handler Keychain Access[395] DeviceInCircle The operation couldn’t be completed. (com.apple.security.sos.error error 2 - Public Key not available - failed to register before call)
2/3/14 12:14:36.083 AM secd[356]: SecErrorGetOSStatus unknown error domain: com.apple.security.sos.error for error: The operation couldn’t be completed. (com.apple.security.sos.error error 2 - Public Key not available - failed to register before call)
2/3/14 12:14:36.084 AM secd[356]: securityd_xpc_dictionary_handler Keychain Access[395] DeviceInCircle The operation couldn’t be completed. (com.apple.security.sos.error error 2 - Public Key not available - failed to register before call)
2/3/14 12:14:36.085 AM secd[356]: SecErrorGetOSStatus unknown error domain: com.apple.security.sos.error for error: The operation couldn’t be completed. (com.apple.security.sos.error error 2 - Public Key not available - failed to register before call)
2/3/14 12:14:36.085 AM secd[356]: securityd_xpc_dictionary_handler Keychain Access[395] DeviceInCircle The operation couldn’t be completed. (com.apple.security.sos.error error 2 - Public Key not available - failed to register before call)
2/3/14 12:14:36.152 AM secd[356]: SecErrorGetOSStatus unknown error domain: com.apple.security.sos.error for error: The operation couldn’t be completed. (com.apple.security.sos.error error 2 - Public Key not available - failed to register before call)
2/3/14 12:14:36.152 AM secd[356]: securityd_xpc_dictionary_handler Keychain Access[395] DeviceInCircle The operation couldn’t be completed. (com.apple.security.sos.error error 2 - Public Key not available - failed to register before call)
2/3/14 12:14:36.153 AM secd[356]: SecErrorGetOSStatus unknown error domain: com.apple.security.sos.error for error: The operation couldn’t be completed. (com.apple.security.sos.error error 2 - Public Key not available - failed to register before call)
2/3/14 12:14:36.153 AM secd[356]: securityd_xpc_dictionary_handler Keychain Access[395] DeviceInCircle The operation couldn’t be completed. (com.apple.security.sos.error error 2 - Public Key not available - failed to register before call)
2/3/14 12:14:36.346 AM com.apple.IconServicesAgent[407]: main Failed to composit image for binding VariantBinding [0x2fd] flags: 0x8 binding: FileInfoBinding [0x48b] - extension: jpg, UTI: public.jpeg, fileType: ????.
2/3/14 12:14:36.349 AM quicklookd[409]: Warning: Cache image returned by the server has size range covering all valid image sizes. Binding: VariantBinding [0x203] flags: 0x8 binding: FileInfoBinding [0x103] - extension: jpg, UTI: public.jpeg, fileType: ???? request size:48 scale: 1
2/3/14 12:14:40.061 AM com.apple.IconServicesAgent[407]: main Failed to composit image for binding VariantBinding [0x231] flags: 0x8 binding: FileInfoBinding [0x3e1] - extension: pdf, UTI: com.adobe.pdf, fileType: ????.
2/3/14 12:14:40.062 AM quicklookd[409]: Warning: Cache image returned by the server has size range covering all valid image sizes. Binding: VariantBinding [0x403] flags: 0x8 binding: FileInfoBinding [0x303] - extension: pdf, UTI: com.adobe.pdf, fileType: ???? request size:48 scale: 1
2/3/14 12:14:40.883 AM com.apple.IconServicesAgent[407]: main Failed to composit image for binding VariantBinding [0x3fb] flags: 0x8 binding: FileInfoBinding [0x15f] - extension: docx, UTI: org.openxmlformats.wordprocessingml.document, fileType: WXBN.
2/3/14 12:14:40.884 AM quicklookd[409]: Warning: Cache image returned by the server has size range covering all valid image sizes. Binding: VariantBinding [0x603] flags: 0x8 binding: FileInfoBinding [0x503] - extension: docx, UTI: org.openxmlformats.wordprocessingml.document, fileType: WXBN request size:48 scale: 1
2/3/14 12:14:42.496 AM com.apple.IconServicesAgent[407]: main Failed to composit image for binding VariantBinding [0x191] flags: 0x8 binding: FileInfoBinding [0x409] - extension: xls, UTI: com.microsoft.excel.xls, fileType: ????.
2/3/14 12:14:42.555 AM quicklookd[409]: Warning: Cache image returned by the server has size range covering all valid image sizes. Binding: VariantBinding [0x803] flags: 0x8 binding: FileInfoBinding [0x703] - extension: xls, UTI: com.microsoft.excel.xls, fileType: ???? request size:48 scale: 1
2/3/14 12:14:42.799 AM com.apple.IconServicesAgent[407]: main Failed to composit image for binding VariantBinding [0x281] flags: 0x8 binding: FileInfoBinding [0x32f] - extension: doc, UTI: com.microsoft.word.doc, fileType: W8BN.
2/3/14 12:14:42.926 AM quicklookd[409]: Warning: Cache image returned by the server has size range covering all valid image sizes. Binding: VariantBinding [0xa03] flags: 0x8 binding: FileInfoBinding [0x903] - extension: doc, UTI: com.microsoft.word.doc, fileType: W8BN request size:48 scale: 1
2/3/14 12:14:46.228 AM com.apple.IconServicesAgent[407]: main Failed to composit image for binding VariantBinding [0x51b] flags: 0x8 binding: FileInfoBinding [0x343] - extension: htm, UTI: public.html, fileType: TEXT.
2/3/14 12:14:46.229 AM quicklookd[409]: Warning: Cache image returned by the server has size range covering all valid image sizes. Binding: VariantBinding [0xc03] flags: 0x8 binding: FileInfoBinding [0xb03] - extension: htm, UTI: public.html, fileType: TEXT request size:48 scale: 1
2/3/14 12:14:46.756 AM com.apple.IconServicesAgent[407]: main Failed to composit image for binding VariantBinding [0x51f] flags: 0x8 binding: FileInfoBinding [0x299] - extension: xml, UTI: public.xml, fileType: TEXT.
2/3/14 12:14:46.762 AM quicklookd[409]: Warning: Cache image returned by the server has size range covering all valid image sizes. Binding: VariantBinding [0xe03] flags: 0x8 binding: FileInfoBinding [0xd03] - extension: xml, UTI: public.xml, fileType: TEXT request size:48 scale: 1
2/3/14 12:14:59.191 AM WindowServer[141]: _CGXSetWindowBackgroundBlurRadius: Invalid window 0xffffffff
2/3/14 12:14:59.321 AM WindowServer[141]: _CGXSetWindowBackgroundBlurRadius: Invalid window 0xffffffff
2/3/14 12:15:00.358 AM WindowServer[141]: disable_update_timeout: UI updates were forcibly disabled by application "Finder" for over 1.00 seconds. Server has re-enabled them.
2/3/14 12:15:01.036 AM WindowServer[141]: common_reenable_update: UI updates were finally reenabled by application "Finder" after 1.68 seconds (server forcibly re-enabled them after 1.00 seconds)
2/3/14 12:15:36.961 AM NetAuthSysAgent[447]: handleStreamError: stream error domain: posix error: 60
2/3/14 12:15:50.059 AM SecurityAgent[470]: MacBuddy was run = 0
2/3/14 12:15:50.123 AM WindowServer[141]: _CGXSetWindowBackgroundBlurRadius: Invalid window 0xffffffff
2/3/14 12:15:52.153 AM parentalcontrolsd[475]: StartObservingFSEvents [849:] -- *** StartObservingFSEvents started event stream
2/3/14 12:15:52.733 AM SecurityAgent[470]: User info context values set for JASON
2/3/14 12:15:52.983 AM SecurityAgent[470]: Login Window login proceeding
2/3/14 12:15:53.237 AM sandboxd[101]: ([474]) storeagent(474) deny file-read-data /Users/JANINE/Library/Preferences/com.apple.WebFoundation.plist
2/3/14 12:15:53.244 AM WindowServer[141]: Session 256 is switching to console
2/3/14 12:15:53.255 AM Dock[397]: CGSCopyDisplayUUID: Invalid display 0x003f003d
2/3/14 12:15:53.256 AM Dock[397]: uuid_callback_master: failed to retrieve UUID for display 0x003f003d (1001) (invariant failure)
2/3/14 12:15:53.272 AM WindowServer[141]: Session 256 retained (2 references)
2/3/14 12:15:53.281 AM WindowServer[141]: Session 257 released (1 references)
2/3/14 12:15:53.488 AM airportd[63]: _doAutoJoin: Already associated to “XXXXXXX”. Bailing on auto-join.
2/3/14 12:15:53.000 AM kernel[0]: **** [IOBluetoothHostControllerUSBTransport][SuspendDevice] -- Resume -- suspendDeviceCallResult = 0x0000 (kIOReturnSuccess) -- 0x5400 ****
2/3/14 12:15:55.308 AM WindowServer[141]: **DMPROXY** (2) Found `/System/Library/CoreServices/DMProxy'.
2/3/14 12:15:55.338 AM WindowServer[141]: Display 0x04273140: Unit 0; ColorProfile { 2, "Color LCD"}; TransferTable (256, 12)
2/3/14 12:16:08.120 AM spindump[462]: Saved diag report for powerstats version com.apple.SystemStats.Daily to /Library/Logs/DiagnosticReports/powerstats_2014-02-03-001607_Bielski-MacBook-Pr o.diag
2/3/14 12:16:09.114 AM spindump[484]: Saved diag report for powerstats version com.apple.SystemStats.TopPowerEvent to /Library/Logs/DiagnosticReports/powerstats_2014-02-03-001609_Bielski-MacBook-Pr o.diag
2/3/14 12:16:10.401 AM spindump[486]: Saved diag report for powerstats version com.apple.SystemStats.TopPowerEvent to /Library/Logs/DiagnosticReports/powerstats_2014-02-03-001610_Bielski-MacBook-Pr o.diag
2/3/14 12:16:32.000 AM kernel[0]: **** [IOBluetoothHostControllerUSBTransport][SuspendDevice] -- Suspend -- suspendDeviceCallResult = 0x0000 (kIOReturnSuccess) -- 0x5400 ****
2/3/14 12:17:52.335 AM warmd[19]: [__warmctl_evt_desktop_up_block_invoke:499] Desktop up bcstop timer fired!
2/3/14 12:20:52.788 AM SecurityAgent[491]: MacBuddy was run = 0
2/3/14 12:20:52.926 AM WindowServer[141]: _CGXSetWindowBackgroundBlurRadius: Invalid window 0xffffffff
2/3/14 12:20:55.909 AM SecurityAgent[491]: User info context values set for XXXXXX
2/3/14 12:20:56.362 AM SecurityAgent[491]: Login Window login proceeding
2/3/14 12:20:56.735 AM WindowServer[141]: Session 257 is switching to console
2/3/14 12:20:56.765 AM WindowServer[141]: Session 257 retained (2 references)
2/3/14 12:20:56.766 AM WindowServer[141]: Session 256 released (1 references)
2/3/14 12:20:57.000 AM kernel[0]: **** [IOBluetoothHostControllerUSBTransport][SuspendDevice] -- Resume -- suspendDeviceCallResult = 0x0000 (kIOReturnSuccess) -- 0x5400 ****
2/3/14 12:20:57.290 AM airportd[63]: _doAutoJoin: Already associated to “XXXXXXX”. Bailing on auto-join.
2/3/14 12:20:57.974 AM parentalcontrolsd[499]: StartObservingFSEvents [849:] -- *** StartObservingFSEvents started event stream
2/3/14 12:20:58.773 AM WindowServer[141]: **DMPROXY** (2) Found `/System/Library/CoreServices/DMProxy'.
2/3/14 12:20:58.900 AM WindowServer[141]: Display 0x04273140: Unit 0; ColorProfile { 2, "Color LCD"}; TransferTable (256, 12)
2/3/14 12:21:14.958 AM com.apple.preference.security.remoteservice[511]: assertion failed: 13B42: liblaunch.dylib + 25164 [FCBF0A02-0B06-3F97-9248-5062A9DEB32C]: 0x25
2/3/14 12:21:14.978 AM com.apple.preference.security.remoteservice[511]: assertion failed: 13B42: liblaunch.dylib + 25164 [FCBF0A02-0B06-3F97-9248-5062A9DEB32C]: 0x25
2/3/14 12:21:15.247 AM WindowServer[141]: disable_update_timeout: UI updates were forcibly disabled by application "System Preferences" for over 1.00 seconds. Server has re-enabled them.
2/3/14 12:21:16.084 AM Dock[397]: find_shared_window: Invalid depth WindowID 0xbb
2/3/14 12:21:16.520 AM com.apple.preference.security.remoteservice[511]: Bogus event received by listener connection:
<error: 0x7fff7eaebb50> { count = 1, contents =
"XPCErrorDescription" => <string: 0x7fff7eaebe60> { length = 18, contents = "Connection invalid" }
2/3/14 12:21:17.004 AM WindowServer[141]: common_reenable_update: UI updates were finally reenabled by application "System Preferences" after 2.76 seconds (server forcibly re-enabled them after 1.00 seconds)
2/3/14 12:21:25.403 AM System Preferences[502]: view service marshal for <NSRemoteView: 0x7ff1c9440660> failed to forget accessibility connection due to Error Domain=NSCocoaErrorDomain Code=4099 "Couldn’t communicate with a helper application." (The connection was invalidated from this process.) UserInfo=0x60800066bd80 {NSDebugDescription=The connection was invalidated from this process.}
timestamp: 00:21:25.402 Monday 03 February 2014
process/thread/queue: System Preferences (502) / 0x10b346000 / com.apple.NSXPCConnection.user.endpoint
code: line 2940 of /SourceCache/ViewBridge/ViewBridge-46/NSRemoteView.m in __57-[NSRemoteView viewServiceMarshalProxy:withErrorHandler:]_block_invoke
domain: communications-failure
2/3/14 12:21:27.128 AM com.apple.preferences.users.remoteservice[515]: assertion failed: 13B42: liblaunch.dylib + 25164 [FCBF0A02-0B06-3F97-9248-5062A9DEB32C]: 0x25
2/3/14 12:21:27.147 AM com.apple.preferences.users.remoteservice[515]: assertion failed: 13B42: liblaunch.dylib + 25164 [FCBF0A02-0B06-3F97-9248-5062A9DEB32C]: 0x25
2/3/14 12:21:27.914 AM com.apple.preferences.users.remoteservice[515]: Bogus event received by listener connection:
<error: 0x7fff7eaebb50> { count = 1, contents =
"XPCErrorDescription" => <string: 0x7fff7eaebe60> { length = 18, contents = "Connection invalid" }
2/3/14 12:21:35.000 AM kernel[0]: **** [IOBluetoothHostControllerUSBTransport][SuspendDevice] -- Suspend -- suspendDeviceCallResult = 0x0000 (kIOReturnSuccess) -- 0x5400 ****
2/3/14 12:22:03.403 AM launchservicesd[53]: Application App:"System Preferences" asn:0x0-41041 pid:502 refs=7 @ 0x7fd3e3c62950 tried to be brought forward, but isn't in fPermittedFrontApps ( ( "LSApplication:0x0-0x44044 pid=522 "SecurityAgent"")), so denying. : LASSession.cp #1481 SetFrontApplication() q=LSSession 100019/0x186b3 queue
2/3/14 12:22:03.403 AM WindowServer[141]: [cps/setfront] Failed setting the front application to System Preferences, psn 0x0-0x41041, securitySessionID=0x186b3, err=-13066
2/3/14 12:23:24.677 AM SecurityAgent[527]: MacBuddy was run = 0
2/3/14 12:23:24.793 AM WindowServer[141]: _CGXSetWindowBackgroundBlurRadius: Invalid window 0xffffffff
2/3/14 12:23:28.985 AM SecurityAgent[527]: User info context values set for JASON
2/3/14 12:23:29.193 AM SecurityAgent[527]: Login Window login proceeding
2/3/14 12:23:29.446 AM WindowServer[141]: Session 256 is switching to console
2/3/14 12:23:29.471 AM WindowServer[141]: Session 256 retained (2 references)
2/3/14 12:23:29.471 AM WindowServer[141]: Session 257 released (1 references)
2/3/14 12:23:29.677 AM airportd[63]: _doAutoJoin: Already associated to “XXXXXXX”. Bailing on auto-join.
2/3/14 12:23:29.000 AM kernel[0]: **** [IOBluetoothHostControllerUSBTransport][SuspendDevice] -- Resume -- suspendDeviceCallResult = 0x0000 (kIOReturnSuccess) -- 0x5400 ****
2/3/14 12:23:30.726 AM parentalcontrolsd[537]: StartObservingFSEvents [849:] -- *** StartObservingFSEvents started event stream
2/3/14 12:23:31.491 AM WindowServer[141]: **DMPROXY** (2) Found `/System/Library/CoreServices/DMProxy'.
2/3/14 12:23:31.542 AM WindowServer[141]: Display 0x04273140: Unit 0; ColorProfile { 2, "Color LCD"}; TransferTable (256, 12)
2/3/14 12:24:08.000 AM kernel[0]: **** [IOBluetoothHostControllerUSBTransport][SuspendDevice] -- Suspend -- suspendDeviceCallResult = 0x0000 (kIOReturnSuccess) -- 0x5400 ****

MacBook pro takes more than 10 minutes to start with ML ?

My Macbook pro takes more than 10 minutes to start. I press Start and it takes more than 10 minutes before I can enter my password. Need your help !

Sounds like time for a PRAM reset. Here's how:
1. Power down the machine.
2. Locate the following keys on your keyboard in preparation for Step 4:
‘command’ – ‘option’ – ‘P’ – ‘R’
3. Press the ‘power on’ button.
4. Immediately – and before the grey screen appears – hold down ‘command-option-P-R’ all together.
5. Keep them held down until you’ve heard the start-up chime twice. After you release them you should hear it again, and hopefully your Mac will boot up as normal.

Macbook pro 13' late 2011 4GB RAM...using lot of RAM

macbook pro 13' late 2011 4GB RAM...using lot of RAM
I have attatched screenshot...please help...sometime free memory is only 15 or 20 mb and i have to restart...after restart it works fine for 10 to 20 minuts

its very easy to do, here are step by step instructions with photos

If my Mini is running 64 bit can I run more than 4Gb RAM?

I hear ALL over the place that the mini can not use more than 4Gb RAM.
Is this a hardware limitaion of the motherboard/Processor?
OR
Is this due to the fact that mini's run at 32 bit?
You can now easily run modern mini's at 64 bit:
http://blog.leanopen.nl/2010/04/23/doesnt-your-mac-mini-want-to-boot-in-64-bit/
So who knows the REAL answer?
Thanks -
skibum

Most of the Minis are limited to less than 4GB and that is a hardware limitation. The newest Mini with the nVidia video can access more. Apple only supports 4GB because they use matched DIMMs, which on paper have a slight performance improvement over unmatched DIMMs. For whatever reason, Apple doesn't yet support 4GB DIMMs in the Mini. (I suspect that the power requirements or prices for the larger DIMMS may have affected Apple's decision.)
If you do have an appropriate Mini, then you can get compatible 4GB DIMMs from [Macsales|http://eshop.macsales.com/shop/mac-mini> or others. Regardless, although I normally trust Macsales, more than 4GB is not supported by Apple, so you have to take that in to consideration. (i.e.: warranty from Apple or Applecare.)

Will elements 9 recognize more than 4gb ram?

why does elements 9 only show 4gb ram when my system (window 7 professional) has 12 gb & how do I get it to recognized it?
Elements Organizer 9.0.3.0
Core Version: 9.0.3 (20110328.m.11320)
Language Version: 9.0 (20100905.m.9093)
Current Catalog:
Catalog Name: My Catalog
Catalog Location: C:\ProgramData\Adobe\Elements Organizer\Catalogs\My Catalog\
Catalog Size: 73.3MB
Catalog Cache Size: 627.1MB
System:
Operating System Name: 2000
Operating System Version: 6.1 Service Pack 1
System Architecture: Intel CPU Family:6 Model:14 Stepping:5 with MMX, SSE Integer, SSE FP
Built-in Memory: 4GB
Free Memory: 4GB
Important Drivers / Plug-ins / Libraries:
Microsoft DirectX Version: 9.0
Apple QuickTime Version: Not installed
Adobe Reader Version: 9.4
Adobe Acrobat Version: Not installed
CD and DVD drives:
D: (ASUS DRW-24B1ST BUS: 1 ID: 1 Firmware: 1.01)

To follow up on 99jon's post, 2 to the 32nd power is 4.3Gb. Therefore, PSE will not be able to see more than 4Gb. Win7 will do a great job of managing the installed memory, so there's nothing for you to do but relax and run your applications.
Ken
Message was edited by: photodrawken to correct typo.

Need more than 4GB of RAM Macbook

I have an early Macbook Pro 13" (2011) w/ a 2.7Ghtz Processor and 4GB 1333 of DDR3 Ram and I'm wanting to upgrade to 8GB of ram or more if possible. It's showing it's not available for my machine when I looked on the apple site. Does this mean I'm stuck w/ what I have? I would hope that I can upgrade my ram on my laptop instead of having to buy a whole new computer. Any pros out there that can help what I think is a simple question to you experienced Mac guys.

It is capable of:
Maximum Memory
16 GB (Actual) 8 GB (Apple)
Memory Slots
2 - 204-pin PC-10600 (1333 MHz) DDR3 SO-DIMM
Good sources for memory are:
OWC
DataMem
Crucial.com

More than 4GB RAM in 2008 Macbook Pro 17"?

Does anyone know of a way to get the 2008 Macbook Pro 17" to be able to recognize 8GB RAM instead of the maximum spec of 4GB? Or is it simply a hardware limitation of the board?

When a Mac has RAM-related problems, the most common manifestations are 1) failure to boot, accompanied by some number of beeps on startup, and 2) kernel panics. Other symptoms are possible, but these are the ones you're most likely to see.
If you do experience any trouble with 6GB of RAM installed, remove and replace the 4GB module you've installed with the original 2GB module you removed, then repeat as exactly as possible the sequence of operations that led up to the problem. Yes, it may be very hard if not impossible to reconstruct that sequence, particularly if you've been running the computer for a long time when the problem suddenly arises. Still, it's worth trying, to see whether the problem still occurs with the original RAM in place. If it does, you obviously can't blame it on 6GB of RAM. If it doesn't, perhaps you can; further testing is probably in order if you have the time and energy to do it. If you don't, you may want to return the RAM and just get along with 4GB and a stable, dependable computer. Any vendor from whom you will want to consider buying RAM will give a lifetime warranty on it and will explicitly warrant that it's Mac-compatible. Buy from such a vendor and you shouldn't have any trouble returning it if it doesn't work out for you.
It's also possible that 6GB will work just fine for you except when you try to run some particular app or combination of apps. In that case, you'll have to decide whether you can live with that limitation.

10.6, quicktime, and itunes on a macbook pro 2.53 w/ 4gb ram and ssd

Hi,
I am experiencing something extremely weird, and extremely frustrating...
What I am experiencing is that after I've been using my system for a while, I will launch quicktime, and I will get the spinning ball forever.. If I launch iTunes it will just bounce on my dock forever and not launch.
Then I have to reboot, which is sometimes impossible to do, so I will have to manually tell my system to shutdown via the terminal.
When my mac reboots, everything is fine.. Quicktime launches, iTunes launches, happy world...
... So I thought it was perhaps something that I was doing (applications that I was running, websites I was visiting etc.), but now I have evidence that it's not. Which is even more confusing. Last night, a friend wanted me to pull up something on quicktime-- I got the spinning ball.. Said "ugh, I don't understand what is up with my system". Clicked restart.. It wouldn't restart.. lauched terminal.. sudo shutdown -h now... Ok.. it's off.. turn it on.. Launch quicktime.. hooray.. there's the video..
Ok-- That was the extent of me using my computer. I left it on after that for many hours.. and eventually closed the laptop.
In the morning, opened it up.. Clicked quicktime, and.. SPINNING BALL. Had to reboot.
so, the only thing I can think is that something is occurring inactivity, or sleep, something that is causing QT and iTunes to mess up... I tried doing various tests, but could not come up with anything. I tried just running my screensaver for a while, but quicktime still comes up no problem.
Very frustrating.. I want to know if anyone else is experiencing this, and if there are any suggestions for what I should do. I have zapped p-ram, I have repaired permissions...
-patrick

Welcome to Apple Support Communities
1. That's a risk, and more in a MacBook Pro, that has got everything soldered except the hard drive and memory.
2. If you want performance, buy a SSD. It will get the best performance but they are expensive, so you should consider the option to buy a SSD with a small capacity to store OS X and applications and an external disk for other data.
3. SSDs are much better than hard disk drives because they haven't got mechanical parts. You will notice this difference in read and write tasks like a startup, that will be much faster. However, in other tasks, it doesn't mind if you have a HDD or a SSD, because performance depends on the processor and graphic card. Also, you will notice a difference with a 7200 rpm hard disk.
4. You can take it to an Apple Store or reseller to see what they can do in order to repair your computer

Can I upgrade memory on Macbook Pro 13" 2.5GHz 4GB RAM, Model Z0MT7B/A

I have ordered a Macbook Pro from a retailer here in the UK. It ships with 4GB RAM but I know I will 8gb or possibly 16GB.
Does anyone know whether the memory is removable and changeable in this model, as it used to be in earlier Macbook Pro 13" models?

I'm pretty sure you can upgrade to 8, 12, or 16. As I'm looking on Other World Computing I'm seeing that for Macbook Pro's 13", 2012 - Current there are upgrades available in the sizes I mentioned. It stands to reason that the memory is changeable, seeing as how there are memory upgrades available and even videos to show you how to change the memory.

LEOPARD 10.5.1 - Macbook Pro 15" 2.4GHz 4GB ram - crashing, doesn't wake up

I've 2.4GHz 15" Macbook Pro with 4GB RAM and latest 10.5.1 LEOPARD. I'm getting very upset about the LEOPARD as it's not stable at all compared to Tiger. I've frequent crashes, see photo below.
As described in other topics on this forum, i have simultaneous problem with the laptop not waking up from a sleep mode. The screen is black and the keybord and poer button is unresponsive. I have to hold he power button to FORCE-shut down the computer.
I've done clean LEOPARD installation, not an upgrade.
LEOPARD is getting a lot of unwanted attention with all it's flaws - just google for it.
I was imagining that apple is working hard on this problem, but over the time i'm getting tired of this and although i love the new features i need a stable system - that's why i have MAC and windows!

It looks/sounds to me as if you have a problem with the "Hall Effect" switch which activates sleep when the computer is closed, MarukoDT.
THis isn't actually in the hinge, but is activated by a magnet in the lid when the computer is closed.
"Sleep Cause 5" is certainly closing the lid on my MBP under OSX 10.6.2.
In fact you can reproduce symptoms very similar to yours by simply placing an MBP13 on top of an older Polycarbonate MacBook. If you do this then the magnet in the MacBook activates the Hall effect switch in the MBP13 even when the MBP13's lid is open. Simply moving the computer off the MB will immediately allow it to wake. (see http://support.apple.com/kb/TS2917 for the Apple KB item on the matter. I've done this myself when sharing a power adaptor and was about to launch in to major "troubleshooting mode" when I remembered having read this article a few days earlier! )
So, assuming you don't have your MBP stacked on top of an MB, and don't work on top of of an MRI machine or other things with substantial magnets , I'd be thinking that it is a defective Hall Effect switch itself that is causing your woes. If so, it is a workshop warranty repair, I'm afraid.
(There are many other possible causes of sleep problems. Generally they involve issues with third party software or third party hardware, but your case is different. I no longer have the log files from my own accidental experiences of this when sitting the MBP on the MB, but from memory they actually looked very like yours.)
Cheers
Rod

Is there any way to upgrade my mid-2007 imac to more than 4GB RAM?

From what i've read it sounds like 4GB RAM is the most that my iMac is capable of using, but i' m hoping that isn't true. even though it operates plenty fast for my current needs, it would always be nice to have the option. any info will be appreciated. thanks.
current 'about this mac' :
iMac
24-inch Mid-2007
Processor 2.4 GHz Intel Core 2 Duo
Memory 4 GB 667 MHz DDR2 SDRAM
Graphics ATI Radeon HD 2600 Pro 256 MB
Software OS X 10.8.1 (12B19)

Yes, 6GB is possible...
Hardware Overview:
Model Name: iMac
Model Identifier: iMac7,1
Processor Name: Intel Core 2 Duo
Processor Speed: 2.4 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache: 4 MB
Memory: 6 GB
Bus Speed: 800 MHz
As Seventy One mentions... OWC.

How come the repair cost of a MacBook Pro cost more than a brand new unit?

My nephew bought her Mac Book Pro last June 2012. During the time that floods hit metro manila where she is studying, her Mac Book Pro (13in) happend to have been damped wet by water. Still running but it seems the batter got problem. So she brought her unit to SM North Edsa ( Annex) Mac Center for possible repair. The Mac Center told my nephew that the unit will be brought somewhere in Mandaluyong - Apple Service Center. After a few days she received a message from the Mac Center telling her that the repair cost will be a whooping P88,000.00 almost twice the cost of her unit when she bought it. My sister ( my nephew's mother) was fuming asking me how come the cost of repair is so great, it is better to buy a new one.
Is this really true? I wonder what others may have experienced bringing their unit for repair and finding out that the cost of repair is such... APPLE IS THIS HOW YOU TREAT YOUR CUSTOMERS... IS THIS THE KIND OF AFTER SALES SERVICE THAT WE EXPECT FROM YOU... PLEASE explain it to me.. thanks

And mind you dear APPLE believers, this also happens to my BOSS' Mac Book Air, which was brought also to an Apple Center for repair due to White Screen of Death... The repair center told my boss that the repair would cost him P68,000 pesos... the new Mac Book Air is only P47,990.00. Who in his right mind agree to such a repair cost which costs more than a brand new unit... If this is so... then APPLE is not a good brand after all... Anyone who had the same story?
BTW i tried to revive the unit by following some repair tips from the internet... and I was able to revive it without spending a dime.... I am not a technician... just wondering what kind of SKILLS those technicians at the Apple Repair Centers have in the Philippines...

More than 4GB RAM support likely with current MB/MBPs?

Sorry to post again, but I'm a bit worried about the 4GB limit the MB and MBP seem to have.
Most deals only include models with 2GB of RAM, even MBP. I think I can live with 2GB of RAM for a year, but would probably want to upgrade after that to 8GB when the RAM is likely a third the current price. The extra RAM is useful for VMWare Fusion, as well as graphics, video, and audio apps.
I am worried about buying a product, that for whatever reason, is limited to 4GB. Anyone know if this is a hardware issue that cannot be fixed, or software, perhaps since Leopard isn't fully 64-bit yet, that will likely be fixed in Snow Leopard?

Found these: http://blogs.computerworld.com/nvidiasays_new_macbook_pro_can_do_8gb_ofram
http://www.appletell.com/apple/comment/the-4gb-ram-limit-of-the-new-macbooks-is- semi-accurate/
among others. nVidia insists the chipsets are capable of 8GB, and OS X recognizes 8GB, just doesn't use it properly. Hope they fix this and that it's not done intentionally to force an earlier computer upgrade in the future, since, predictably, 4GB will most likely be the minimum for new laptops in 2 years.

Macbook pro boots with windows 7 but not with osx lion.

I have bought macbook pro 1year ago. it has dual boot, its booting with windows 7 perfectly fine but its not booting up OSX lion shows grey screen and wheel just keep moving.

I have bought macbook pro 1year ago. it has dual boot, its booting with windows 7 perfectly fine but its not booting up OSX lion shows grey screen and wheel just keep moving.

Does MacBook Pro need more than 4gb ram to run osx lion?

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