Upgrading RAM - Can I mixmatch?
Hi, I bought a new MacBook Pro recently, and it has 4GB of RAM. I'm interested in upgrading it to 8GB, with this set here: http://www.amazon.com/dp/B002YUF8ZG/ref=as_li_ss_til?tag=thepartim-20&camp=21338 1&creative=390973&linkCode=as4&creativeASIN=B002YUF8ZG&adid=1YDQMBA6EB6JAD1K9S7N
My question is, is it necessary to buy 8GB of new RAM and completely replace the stock RAM, or can I just buy 4GB of new RAM and add it on to the current 4GB?
Thanks
Oh okay, I didn't realize there were 2x2GB sticks in there.
Thanks
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Problem description:
computer Very slow after upgrading to OS Yosemite
EtreCheck version: 2.0.11 (98)
Report generated November 15, 2014 at 3:50:50 PM MST
Hardware Information: ℹ️
iMac (20-inch, Early 2009) (Verified)
iMac - model: iMac9,1
1 2.66 GHz Intel Core 2 Duo CPU: 2-core
2 GB RAM Upgradeable
BANK 0/DIMM0
1 GB DDR3 1067 MHz ok
BANK 1/DIMM0
1 GB DDR3 1067 MHz ok
Bluetooth: Old - Handoff/Airdrop2 not supported
Wireless: en1: 802.11 a/b/g/n
Video Information: ℹ️
NVIDIA GeForce 9400 - VRAM: 256 MB
iMac 1680 x 1050
System Software: ℹ️
OS X 10.10 (14A389) - Uptime: 4 days 4:38:8
Disk Information: ℹ️
Hitachi HDT721032SLA380 disk0 : (320.07 GB)
S.M.A.R.T. Status: Verified
EFI (disk0s1) <not mounted> : 210 MB
Macintosh HD (disk0s2) / [Startup]: 319.21 GB (201.09 GB free)
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
OPTIARC DVD RW AD-5670S
USB Information: ℹ️
Apple Inc. Built-in iSight
Apple Inc. Keyboard Hub
Apple Inc. Apple Keyboard
USB Reader USB Mass Storage Device 31.67 GB
S.M.A.R.T. Status: Verified
NO NAME (disk1s1) /Volumes/NO NAME : 31.67 GB (27.49 GB free)
Apple Computer, Inc. IR Receiver
Apple Inc. BRCM2046 Hub
Apple Inc. Bluetooth USB Host Controller
Gatekeeper: ℹ️
Mac App Store and identified developers
Kernel Extensions: ℹ️
/Applications/Toast 11 Titanium/Spin Doctor.app
[not loaded] com.hzsystems.terminus.driver (4) Support
/Applications/Toast 11 Titanium/Toast Titanium.app
[not loaded] com.roxio.TDIXController (2.0) Support
/System/Library/Extensions
[not loaded] com.Huawei.driver.HuaweiDataCardDriver (4.0.6) Support
[not loaded] com.roxio.BluRaySupport (1.1.6) Support
[not loaded] com.sony.driver.prs (1.0.1d1) Support
Startup Items: ℹ️
HWNetMgr: Path: /Library/StartupItems/HWNetMgr
Startup items are obsolete and will not work in future versions of OS X
Problem System Launch Agents: ℹ️
[failed] com.apple.accountsd.plist
[failed] com.apple.AirPlayUIAgent.plist
[failed] com.apple.bird.plist
[failed] com.apple.CalendarAgent.plist
[failed] com.apple.CallHistoryPluginHelper.plist
[failed] com.apple.CallHistorySyncHelper.plist
[failed] com.apple.cloudd.plist
[failed] com.apple.coreservices.appleid.authentication.plist
[failed] com.apple.coreservices.uiagent.plist
[failed] com.apple.EscrowSecurityAlert.plist
[failed] com.apple.icloud.fmfd.plist
[failed] com.apple.iconservices.iconservicesagent.plist
[failed] com.apple.nsurlsessiond.plist
[failed] com.apple.pbs.plist
[failed] com.apple.pluginkit.pkd.plist
[failed] com.apple.printtool.agent.plist
[failed] com.apple.scopedbookmarkagent.xpc.plist
[failed] com.apple.secd.plist
[failed] com.apple.security.cloudkeychainproxy.plist
[failed] com.apple.spindump_agent.plist
[failed] com.apple.telephonyutilities.callservicesd.plist
Problem System Launch Daemons: ℹ️
[failed] com.apple.AssetCacheLocatorService.plist
[failed] com.apple.awdd.plist
[failed] com.apple.cache_delete.plist
[failed] com.apple.coresymbolicationd.plist
[failed] com.apple.ctkd.plist
[failed] com.apple.diagnosticd.plist
[failed] com.apple.iconservices.iconservicesagent.plist
[failed] com.apple.iconservices.iconservicesd.plist
[failed] com.apple.ifdreader.plist
[failed] com.apple.MobileFileIntegrity.plist
[failed] com.apple.nehelper.plist
[failed] com.apple.nsurlsessiond.plist
[failed] com.apple.periodic-daily.plist
[failed] com.apple.periodic-weekly.plist
[failed] com.apple.sandboxd.plist
[failed] com.apple.softwareupdate_download_service.plist
[failed] com.apple.softwareupdated.plist
[failed] com.apple.spindump.plist
[failed] com.apple.sysmond.plist
[failed] com.apple.tccd.system.plist
[failed] com.apple.wdhelper.plist
[failed] org.cups.cupsd.plist
Launch Agents: ℹ️
[not loaded] com.adobe.AAM.Updater-1.0.plist Support
[loaded] com.adobe.AdobeCreativeCloud.plist Support
[not loaded] com.sony.ReaderLibrary.RunReaderLibrary.plist Support
Launch Daemons: ℹ️
[loaded] com.adobe.fpsaud.plist Support
User Launch Agents: ℹ️
[loaded] com.adobe.AAM.Updater-1.0.plist Support
[loaded] com.adobe.ARM.[...].plist Support
[loaded] com.adobe.ARM.[...].plist Support
[loaded] com.google.keystone.agent.plist Support
User Login Items: ℹ️
iTunesHelper Application (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
HP Registration Assistant UNKNOWN (missing value)
Reader Library Launcher ApplicationHidden (/Library/Reader Library/Reader Library Launcher.app)
HP Scheduler Application (/Library/Application Support/Hewlett-Packard/Software Update/HP Scheduler.app)
Internet Plug-ins: ℹ️
Default Browser: Version: 600 - SDK 10.10
OfficeLiveBrowserPlugin: Version: 12.3.6 Support
net.juniper.DSSafariExtensions: Version: (null) Support
AdobeAAMDetect: Version: AdobeAAMDetect 2.0.0.0 - SDK 10.7 Support
FlashPlayer-10.6: Version: 15.0.0.223 - SDK 10.6 Support
AdobePDFViewerNPAPI: Version: 11.0.0 - SDK 10.6 Support
Silverlight: Version: 5.1.30514.0 - SDK 10.6 Support
Flash Player: Version: 15.0.0.223 - SDK 10.6 Support
QuickTime Plugin: Version: 7.7.3
iPhotoPhotocast: Version: 7.0
NP_2020Player_IKEA: Version: 5.0.94.0 - SDK 10.6 Support
AdobePDFViewer: Version: 11.0.0 - SDK 10.6 Support
User Internet Plug-ins: ℹ️
BrowserPlus_2.9.8: Version: 2.9.8 Support
fbplugin_1_0_3: Version: (null) Support
3rd Party Preference Panes: ℹ️
BrowserPlus Support
Flash Player Support
Perian Support
Time Machine: ℹ️
Time Machine not configured!
Top Processes by CPU: ℹ️
7% syncdefaultsd
0% launchservicesd
0% launchd
0% systemstatsd
0% SystemUIServer
Top Processes by Memory: ℹ️
126 MB HP_Officejet_4620_series
30 MB Finder
28 MB ScreenSaverEngine
24 MB mds
24 MB WindowServer
Virtual Memory Information: ℹ️
25 MB Free RAM
344 MB Active RAM
333 MB Inactive RAM
337 MB Wired RAM
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